Part Number
Definition:
A STRAIGHT NONFLUID FITTING WITH WRENCHING FACILITIES ON ONE END AND EXTERNAL THREADS, OTHER THAN PIPE OR HOSE SERIES, ON THE OTHER END. IT HAS AN UNTHREADED THROUGH HOLE IN ITS AXIS WHICH MAY BE COUNTERSUNK AND/OR COUNTERBORED ON ONE OR BOTH ENDS. IT IS DESIGNED TO ACCOMMODATE A SHAFT, OR THE LIKE, OR USED TO REINFORCE A HOLE IN A BULKHEAD, OR THE LIKE. FOR SIMILAR ITEMS SPECIFICALLY DESIGNED FOR USE IN A STUFFING BOX, SEE PACKING NUT. FOR NONFLUID ITEMS WITH AN INTERNAL THREAD, SEE INSERT, SCREW THREAD; OR ADAPTER BUSHING. EXCLUDES REDUCER, BOSS; AND ITEMS DESIGNED TO ACCOMMODATE A TUBE OR TUBE FITTING.
CAGE Information
| Code | Company |
|---|---|
| 19200 | U S ARMY ARMAMENT RESEARCH & DEVELOP |
Federal Supply Class
Title
BUSHINGS, RINGS, SHIMS, AND SPAC
Inclusions:
INCLUDES EXTERNALLY THREADED RINGS; KEYED AND SERRATED LOCK RINGS; DEE RINGS; INSTRUMENT RETAINING RINGS; SHIM SETS AND ASSORTMENTS; PLATE SPACERS; RING SPACERS; SLEEVE SPACERS; STEPPED SPACERS; SPACER SETS AND ASSORTMENTS; SLEEVE BUSHINGS; MACHINE THREADED BUSHINGS; MACHINE THREADED PLUGS.
Exclusions:
EXCLUDES SLEEVE BEARINGS (FSC 3120); PIPE THREADED PLUGS (FSC 4730); PISTON RINGS (FSC 2520, 2805, 2810, 2815, 2825, 2990, 3040, 4310, AND 4820); RETAINING RINGS (FSC 5325); SHIM STOCK (FSC 9515).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| FEAT | SPECIAL FEATURES | HEX HAS 30 DEG CHAMFER AROUND OUTER EDGE |
| FEAT | SPECIAL FEATURES | HEX HAS 30 DEG CHAMFER AROUND OUTER EDGE |
| ABNM | THICKNESS | 0.057 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
| ACSL | WRENCHING FACILITY SHAPE | HEXAGON |
| ASDB | WIDTH ACROSS FLATS | 0.500 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNEF |
| BXBR | HOLE INSIDE DIAMETER | 0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| AJYR | SCREW THREAD LENGTH | 0.329 INCHES NOMINAL |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL |
| AAJD | THREAD CLASS | 2A |
| ABHP | OVERALL LENGTH | 0.449 INCHES MINIMUM AND 0.454 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | ZINC AND CHROMATE |
| CMLP | THREAD QUANTITY PER INCH | 32 |