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 |
|---|---|---|
| ABHP | OVERALL LENGTH | 1.156 INCHES NOMINAL |
| ABNM | THICKNESS | 0.592 INCHES MINIMUM AND 0.608 INCHES MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 2.625 INCHES |
| AJYR | SCREW THREAD LENGTH | 0.431 INCHES NOMINAL |
| BXBR | HOLE INSIDE DIAMETER | 1.750 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE |
| THSD | THREAD SERIES DESIGNATOR | UN |
| AAJD | THREAD CLASS | 3A |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108, GRADE 1045 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A322, GRADE 4140, 4142 OR 4145 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A576, GRADE 1045 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331, GRADE 4140, 4142 OR 4145 ASSN STD SINGLE MATERIAL RESPONSE |
| ABMZ | DIAMETER | 4.125 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACSL | WRENCHING FACILITY SHAPE | SLOTTED |
| AAZT | SLOT DEPTH | 0.250 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | OXIDE |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| ABGC | SLOT WIDTH | 0.375 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL OR STEEL COMP 4140 |