Parts most commonly requiring replacement are found on this list. The referenced drawing numbers and part numbers are found in K&T Replacement Parts Manual SMR-24 (1956), for which we can furnish a copy:

Figure 3 Horizontal Column and Motor Mount
	Part No.	Part Name
	SM-A14	Cuno 100 Disc Unit Cartridge
	SM-A25	Overarm Pinion-Right Hand
	SM-A22	Overarm Pinion-Left Hand
	SM-A20	Overarm Handwheel
	SM-A33	Oil Gauge Glass
	SM-A40	Limit Switch
	SM-A48	Cross and Elevating Trip Dog-Right Hand
	SM-A49	Cross and Elevating Trip Dog-Left Hand
	SM-A83	Vertical Limit Stop
Figure 4 Horizontal Column Speed Drive Train and Spindle Assembly
	SM-B4	Arbor Draw-in Bolt
	SM-B43	Primary Low Speed Sliding Gear
	SM-B44	Primary High Speed Sliding Gear
Figure 5 Vertical Column and Motor Mount
	SM-C18	Head Clamp Bevel Gear
	SM-C21	Head Clamp Bevel Pinion
	SM-C23	Head Clamp Handle
	SM-C40	Elevating Trip Dog-Right Hand
	SM-C42	Elevating Trip Dog-Left Hand
	SM-C46	Cuno 100 Disc Unit Cartridge
	SM-C55	Oil Gauge Glass
	SM-C65	Limit Switch
	SM-C71	Vertical Limit Stop
	SM-C73	Vertical Limit Stop
Figure 6 Vertical Column-Speed Drive Train
	SM-D9	Micro-switch
	SM-D31	Head Feed Nut
	SM-D66	Primary High Speed Sliding Gear
	SM-D67	Primary Low Speed Sliding Gear
	SM-D58	Vertical Drive Shaft Bearing Sleeve
	SM-D59	Vertical Drive Spiral Bevel Gear
	SM-D72	Drive Shaft Bearing Sleeve
	SM-D73	Vertical Drive Spiral Bevel Gear
Figure 7 Speed Gear Box
	SM-E1	Speed Selection Knob
	SM-E3	Speed Selection Lever
	SM-E28	Range Change Lever
	SM-E33	Tuthill Pump Reversible
	SM-E43	Spindle Drive Bevel Gear
	SM-E45	Range Change Driver
	SM-E52	Pump Bevel Gear-Driven
	SM-E63	Secondary Speed Shifter Fork-Front
	SM-E64	Secondary Speed Shifter Fork-Rear
	SM-E69	Front Sectional Sliding Gear
	SM-E70	Rear Sectional Sliding Gear
	SM-E78	Rear Idler Gear
	SM-E86	Pump Bevel Bear-Driver
Figure 8 Pulley Bracket
	SM-F9	Pulley Sleeve
	SM-F18	Plugging Switch Conn. Coupling
	SM-F23	Allen Bradley Zero Speed Switch, Y-5789D
Figure 9 Feed and Rapid Traverse Drive Bracket
	SM-G6	Micro-switch, Type R-RS
	SM-G7	Micro-switch, Type B-RS
	SM-G9	Micro-switch, Type G-RS
	SM-G20	Ohio Shaftless Shell Motor, 5 HP
	SM-G26	Motor Shaft-Horizontal
	SM-G26a	Motor Shaft-Vertical
	SM-G30	Feed Worm-Horizontal
	SM-G30a	Feed Worm-Vertical
	SM-G57	Feed Worm Wheel
	SM-G77	Vertical Feed Shaft Worm Wheel
	SM-G91	Drive Shaft Worm
Figure 10 Plain Knee
	SM-H39	Starting Lever
	SM-H47	Hub and Back Plate
	SM-H49	Inner Clutch Disc Steel
	SM-H50	Rapid Traverse Clutch Driven Plate-Bronze
	SM-H59	Finger Lever
	SM-H70	Oil Pump Gear-Driver
	SM-H71	Oil Pump Gear Stud
	SM-H72	Oil Pump Gear-Driven
	SM-H73	Oil Pump Cover
	SM-H82	Elevating Bevel Pinion
	SM-H83	Elevating Bevel Gear
	SM-H84	Thrust Bearing-MRC 17B
	SM-H109	Feed Change Helical Gear Shaft
	SM-H118	Cross Trip Lever
	SM-H124	Cross Feed Trip Lever Arm Shaft
	SM-H125	Knee Clamp Shaft
	SM-H127	Knee Clamp Lever
	SM-G145	Vertical Feed Trip Lever Arm Shaft
	SM-G148	Vertical Trip Lever
	SM-H180	Elevating Bevel Gear Bearing
Figure 11 Automatic Cycle Knee
	SM-J2	Oil Return Bracket and Tube Assembly
	SM-J29	Rapid Traverse Lever
	SM-J31	Rapid Traverse Valve Shifter-Front
	SM-J39	Rapid Traverse Valve Shifter-Rear
	SM-J45	Feed Drive Pinion
	SM-J74	Starting Lever
	SM-J88	Rapid Traverse Clutch Shaft Collar
	SM-J89	Clutch Piston
	SM-J90	Clutch Cylinder
	SM-J91	Rapid Traverse Clutch Driven Plate-Bronze
	SM-J92	Inner Clutch Disc Steel
	SM-J94	Hub and Back Plate
	SM-J103	Oil Pump Body
	SM-J104	Oil Pump Gear-Driver
	SM-J105	Oil Pump Gear Stud
	SM-J106	Oil Pump Gear-Driven
	SM-J107	Oil Pump Cover
	SM-J117	Elevating Bevel Pinion
	SM-J118	Elevating Bevel Gear
	SM-J119	Thrust Bearing-MRC 17B
	SM-J135	Oil Gauge Glass
	SM-J144	Feed Change Helical Gear Shaft
	SM-J153	Cross Trip Lever
	SM-J159	Cross Feed Trip Lever Arm Shaft
	SM-J160	Knee Clamp Shaft
	SM-J162	Knee Clamp Lever
	SM-J180	Vertical Feed Trip Lever Arm Shaft
	SM-J183	Vertical Trip Lever
	SM-J215	Elevating Bevel Gear Bearing
Figure 12 Rear Controls
	SM-K1	Cross Feed Rear Control Lever
	SM-K12	Vertical Feed Rear Control Lever
	SM-K38	Rear Control Cross and Elevating Crank
	SM-K40	Rapid Traverse Lever-Rear
Figure 13 Feed Distribution Box-Feed Selection and Directional Control Levers
	SM-L17	Cross and Elevating Reverse Lever
	SM-L49	Feed Selection Lever
	SM-L57	Feed Dial Support Bracket
	SM-L82	Primary Cam Drive Gear
Figure 14 Feed Distribution Box-Gear Trains
	SM-M3	Hand Elevating Pinion
	SM-M8	Hand Elevating Shaft
	SM-M19	Cross and Elevating Hand Feed Clutch
	SM-M24	Hand Feed Clutch Stop
	SM-M26	Hand Elevating Crank
	SM-M29	Hand Elevating Crank Set Screw
	SM-M32	Primary Feed Sliding Gear-Front
	SM-M33	Primary Feed Sliding Gear-Fear
	SM-M54	Cross Feed and Elevating Reverse Gear
	SM-M61	Feed Back Gear Pinion Shaft
	SM-M63	Feed Back Gear Retaining Washer
	SM-M67	Secondary Shaft Double Gear-Rear
	SM-M68	Secondary Shaft Double Gear-Middle
	SM-M71	Secondary Gear Retaining Washer
	SM-M73	Secondary Shaft Double Gear-Front
	SM-M95	Elevating Slip Clutch Driver
	SM-M98	Elevating Clutch Gear-Rear
	SM-M103	Elevating Reverse Clutch
	SM-M104	Elevating Clutch Gear-Front
	SM-M107	Cross Feed Screw
	SM-M112	Cross Feed Reverse Clutch Gear-Rear
	SM-M115	Cross Feed Reverse Clutch
	SM-M118	Cross Feed Reverse Clutch Gear-Front
	SM-M126	Cross Feed Screw Bearing Adjusting Ring
	SM-M127	Cross Feed Screw Adjusting Nut Washer
	SM-M128	Cross Feed Screw Bearing Adjusting Nut
	SM-M136	Cross and Elevating Hand Feed Clutch
	SM-M141	Hand Feed Clutch Stop
	SM-M145	Cross Feed Handwheel
	SM-M152	Feed Roller Clutch Spring
	SM-M153	Feed Roller Clutch Cage
	SM-M154	Feed Roller Clutch Hub
	SM-M155	Feed Clutch Roller
	SM-M172	Feed Safety Clutch Shaft Pinion
	SM-M176	Brake Piston
	SM-M177	Brake Cylinder
	SM-M182	Feed Roller Clutch Cage
	SM-M183	Feed Roller Clutch Hub
	SM-M184	Roller
Figure 15 Plain Saddle
	SM-N6	Table Screw Clutch Gear
	SM-N8	Table Feed Reverse Clutch
	SM-N10	Feed Reverse Gear Sleeve
	SM-N11	Table Screw Clutch Gear
	SM-N12	Reverse Shifter Yoke
	SM-N23	Knee Top Wiper
	SM-N26	Table Drive Bevel Gear
	SM-N34	Table Trip Lever Block
	SM-N37	Table Trip Lever
	SM-N45	Table Screw Nut
	SM-N47	Adjustable Table Screw Nut
	SM-N51	Bijur Lubrication Pump K1B
	SM-N54	Saddle Clamp Lever
	SM-N55	Saddle Clamp Eccentric
	SM-N65	Trip Dog-Right Hand
	SM-N66	Trip Dog-Left Hand
	SM-N68	Saddle Gib
	SM-N69	Saddle Gib
	SM-N97	Telescopic Tube Assembly-Coolant
	SM-N101	Telescopic Tube Assembly-Rear
	SM-N105	Cross Feed Bracket Bearing
	SM-N106	Table Feed Slide Bevel Gear
	SM-N107	Table Feed Slide Bevel Gear Bushing
	SM-N108	Table Feed Drive Bevel Gear
	SM-N109	Cross Feed Bracket Bearing Sleeve
	SM-N110	Cross Feed Nut
	SM-N112	Telescopic Tube Assembly-Front
	SM-N124	Cross Feed Bracket
Figure 16 Automatic Cycle Saddle and Hydraulic Valve Body
	SM-Q6	Table Screw Clutch Gear
	SM-Q8	Feed Reverse Gear Sleeve
	SM-Q9	Table Feed Reverse Clutch
	SM-Q10	Table Screw Clutch Gear
	SM-Q19	Knee Top Bearing Wiper
	SM-Q27	Clutch Shifter Yoke
	SM-Q31	Saddle Clamp
	SM-Q32	Saddle Clamp Eccentric
	SM-Q34	Saddle Clamp Lever
	SM-Q39	Adjustable Table Screw Nut
	SM-Q41	Table Screw Nut
	SM-Q44	Bijur Lubrication Pump K1B
	SM-Q58	Clamp Lever
	SM-Q61	Trip Dog-Left Hand
	SM-Q62	Trip Dog-Right Hand
	SM-Q64	Saddle Gib
	SM-Q65	Saddle Gib
	SM-Q79	Feed and Rapid Traverse Shift Sleeve and Pinion
	SM-Q87	Feed and Rapid Traverse Lever
	SM-Q102	Reverse Plunger
	SM-Q103	Reverse Plunger Sleeve
	SM-Q116	Shifter Bevel Gear Segment
	SM-Q119	Feed Trip Bevel Segment
	SM-Q121	Hand Trip Bevel Gear Segment
	SM-Q186	Coolant Return Tube Elbow
	SM-Q189	Telescopic Tube Assembly
Figure 20 Tables
	SM-R1	Table Bracket Cover-Right Hand
	SM-R6	Bearing Adjusting Nut Collar
	SM-R7	Bearing Adjusting Nut
	SM-R8	Oil Retaining Cover
	SM-R9	Bearing Clutch Collar
	SM-R18	Table Bracket-Right Hand
	SM-R25	Handwheel Clutch Washer
	SM-R26	Handwheel Clutch Knob
	SM-R27	Handwheel Clutch
	SM-R28	Clutch in Handwheel
	SM-R30	Table Screw Handwheel
	SM-R33	Handwheel Bushing
	SM-R43	Table Reverse Lever
	SM-R48	Table Bracket Cover-Left Hand
	SM-R53	Clutch Release Gear Segment
	SM-R58	Clutch Release Yoke
	SM-R61	Clutch Release Rod
	SM-R62	Clutch Release Plate
	SM-R63	Snap Ring
	SM-R71	Table Bracket-Left Hand
	SM-R79	Table Screw
	SM-R81	Table Gib
	SM-R83	Table Trip Dog-Left Hand
	SM-R90	Table Trip Dog-Right Hand
	SM-R98	Reverse Dog-Left Hand
	SM-R99	Stop Dog-Left Hand
	SM-R100	Rate Change Dog "B"
	SM-R101	Rate Change Dog "A"
	SM-R105	Stop Dog-Right Hand
	SM-R107	Reverse Dog-Right Hand
	SM-R115	Table Bracket Cover-Left Hand-6CK
Figure 18 Vertical Head
	SM-S5	Spindle Countershaft
	SM-S10	Spindle Drive Pinion
	SM-S22	Oil Pump Body
	SM-S23	Oil Pump Gear-Driven
	SM-S24	Oil Pump Gear-Driver
	SM-S25	Oil Pump Stud
	SM-S26	Oil Pump Gear Stud-Driver
	SM-S27	Oil Pump Body Cover
	SM-S33	Trip Dog-Upper
	SM-S34	Trip Dog-Lower
	SM-S44	Head Feed Screw
	SM-S57	Small Spindle Gear
	SM-S96	Oil Gauge Glass
	SM-S103	Arbor Draw-in Bolt
Figure 19 Head Power Feed Bracket
	SM-T6	Handwheel Release Yoke
	SM-T14	Hand Feed Take-off Gear
	SM-T34	Head Feed Drive Miter Gear Bearing
	SM-T35	Head Feed Drive Miter Gear
	SM-T40	Handwheel Shaft and Bevel Pinion
	SM-T43	Head Feed Reverse Drive Gear
	SM-T63	Head Feed Reverse Clutch Gear
	SM-T64	Head Feed Reverse Clutch
	SM-T78	Head Adjustable Handwheel
	SM-T83	Clutch in Handwheel
	SM-T84	Handwheel Clutch
	SM-T85	Handwheel Clutch Knob
	SM-T86	Clutch Washer
	SM-T95	Head Feed Start Lever
	SM-T97	Starting Lever Eccentric and Pinion
Figure 20 Style B Arbor Support, Arm Brace and Coolant Supply System
	SM-U2	Bushing Nut
	SM-U3	Arbor Support Style B
	SM-U12	Arbor Support Bushing
	SM-U20	Oil Gauge Glass
	SM-U23	Arm Brace
	SM-U32	Coolant Distributor Support Assembly
	SM-U49	Special Gusher Pump
Figure 21 Intermediate Arbor Support and Style A Arbor Support
	SM-V3	Oil Gauge Glass
	SM-V7	Arbor Support Bushing
	SM-V17	Arbor Support-Intermediate
	SM-V22	Oil Gauge Glass
	SM-V26	Arbor Bushing Nut
	SM-V34	Arbor Support-Style A
Figure 22 Model K Universal Spiral Dividing Head
	SM-W7	Index Crank
	SM-W21	Index Plates
	SM-W43	Ball Crank
Figure 23 Tail Stock and Steady Rest
	SM-X9	Elevation Rack Pinion
	SM-X12	Ball Crank