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 |
|---|---|
| 78977 | UNITY MANUFACTURING CO |
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 |
|---|---|---|
| CMLP | THREAD QUANTITY PER INCH | 24 |
| BDYS | COUNTERBORE LOCATION | WRENCHING END |
| AAWZ | COUNTERBORE DEPTH | 0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM |
| ACSL | WRENCHING FACILITY SHAPE | HEXAGON |
| THSD | THREAD SERIES DESIGNATOR | UNEF |
| AJYR | SCREW THREAD LENGTH | 0.371 INCHES NOMINAL |
| MATT | MATERIAL | COPPER ALLOY |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| BXBR | HOLE INSIDE DIAMETER | 0.376 INCHES MINIMUM AND 0.377 INCHES MAXIMUM |
| ABHP | OVERALL LENGTH | 0.987 INCHES MINIMUM AND 1.001 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.482 INCHES MINIMUM AND 0.485 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | NICKEL |
| CQJX | NOMINAL THREAD SIZE | 0.625 INCHES |
| CBBL | FEATURES PROVIDED | COUNTERBORE |
| AAJE | THREAD PITCH DIAMETERS | +0.5926/+0.5959 INCHES |
| AAWY | COUNTERBORE DIAMETER | 0.501 INCHES MINIMUM AND 0.506 INCHES MAXIMUM |