Part Number
Definition:
A TUBULAR SHAPED ITEM WITH A ROUND OR HEXAGON PERIPHERAL SHAPE HAVING TWO FLAT BEARING SURFACES PERPENDICULAR TO THE AXIS OF THE CENTRALLY LOCATED HOLE. IT IS DESIGNED TO MAINTAIN A PREDETERMINED DISTANCE BETWEEN ASSEMBLED PARTS. THE ITEM MAY BE WITH OR WITHOUT FLANGE(S) OF ANY PERIPHERAL SHAPE. THE LENGTH MUST EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OR DISTANCE ACROSS PERIPHERAL FLATS. (WHEN THE LENGTH, OUTSIDE DIAMETER, AND/OR DISTANCE ACROSS PERIPHERAL FLATS ARE DESIGNATED AS A TOLERANCE, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE.) IT MUST HAVE ONE OR MORE INTERNAL STEPS (COUNTERBORES) AND/OR EXTERNAL STEPS ON EITHER OR BOTH BEARING SURFACES. EXCLUDES SPACER, OPTICAL ELEMENT. SEE ALSO WASHER, RECESSED AND WASHER, SHOULDERED AND RECESSED.
CAGE Information
| Code | Company |
|---|---|
| 80064 | NAVAL SHIP SYSTEMS COMMAND |
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 |
|---|---|---|
| BZBR | FIRST LEFT COUNTERBORE DEPTH | 0.998 INCHES MINIMUM AND 1.104 INCHES MAXIMUM |
| BZBR | FIRST LEFT COUNTERBORE DEPTH | 0.998 INCHES MINIMUM AND 1.104 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-16576,ALLOY 903 MIL SPEC SINGLE MATERIAL RESPONSE |
| ABHP | OVERALL LENGTH | 2.000 INCHES NOMINAL |
| BZCG | RIGHT KEYWAY DEPTH | 0.687 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 3.062 INCHES MAXIMUM |
| CZEY | FIRST LEFT COUNTERBORE INSIDE DIAMETER | 3.375 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | STEPPED SPACER |
| BZCB | SECOND RIGHT STEP WIDTH | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
| BZCF | RIGHT KEYWAY WIDTH | 0.500 INCHES NOMINAL |
| CZFF | SECOND RIGHT STEP OUTSIDE DIAMETER | 4.087 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 4.330 INCHES MAXIMUM |
| MATT | MATERIAL | COPPER ALLOY 903 |