National Stock Number (NSN) Output Data
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 OVERALL LENGTH MUST EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OR DISTANCE ACROSS PERIPHERAL FLATS OF THE BODY. (WHEN THE LENGTH, OUTSIDE DIAMETER, AND/OR DISTANCE ACROSS PERIPHERAL FLATS ARE DESIGNED AS A TOLERANCE, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE). FOR ITEMS HAVING OTHER THAN A ROUND OR HEXAGON PERIPHERAL SHAPE, SEE SPACER, PLATE. EXCLUDES ITEMS WITH LUBRICATING FEATURES, SEE BEARING, SLEEVE AND BUSHING, SLEEVE. SEE ALSO BUSHING, TAPERED; SPACER, RING; WASHER, FLAT; AND WASHER, (AS MODIFIED).
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| 21603-HK | 55380 | A | 3 | 2 | 5 | KZ | ||
| 99121603 | 71871 | A | 3 | 2 | 5 | ZZ |
CAGE Information
| Code | Company |
|---|---|
| 55380 | HATCH & KIRK INC. |
| 71871 | ALFA LAVAL INC. |
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 |
|---|---|---|
| BZLX | CORNER SHAPE | SQUARE INSIDE LEFT CORNER |
| BZLX | CORNER SHAPE | SQUARE INSIDE LEFT CORNER |
| AAZP | CHAMFER LENGTH (NON-CORE) | ERR-070 |
| STYL | STYLE DESIGNATOR | SOLID |
| BZLX | CORNER SHAPE | SQUARE INSIDE RIGHT CORNER |
| CSYT | CHAMFER ANGLE (NON-CORE) | ERR-070 |
| MATT | MATERIAL | STEEL OVERALL |
| ABHP | OVERALL LENGTH | 0.8270 INCHES NOMINAL |
| BZLX | CORNER SHAPE | CHAMFERED OUTSIDE LEFT CORNER |
| ADAS | BODY INSIDE DIAMETER | 0.8760 INCHES NOMINAL |
| BZLX | CORNER SHAPE | CHAMFERED OUTSIDE RIGHT CORNER |
| ADAR | BODY OUTSIDE DIAMETER | 1.2480 INCHES NOMINAL |