Part Number
Part Number:
NSN:
NIIN:
Item Name:
SEAT , HELICAL COMPRESSION SPRING
Definition:
A CIRCULAR ITEM, USUALLY HAVING A FLAT OR GROOVED FLANGE, BOSS(ES), AND/OR COUNTERBORE DESIGNED TO ACCOMMODATE THE END OF THE SPRING. IT IS USED TO POSITION THE SPRING, BUT DOES NOT ENCASE THE SPRING OR RESTRAIN LATERAL MOTION. IT MAY BE USED IN CONJUNCTION WITH A RETAINER, HELICAL COMPRESSION SPRING. EXCLUDES WASHER (1), (AS MODIFIED); SEAT, BALL SOCKET AND HOLDER, SPRING. SEE ALSO ROTOR, ENGINE POPPET VALVE.
CAGE Information
| Code | Company |
|---|---|
| 28265 | HERCULES ENGINE CO INC |
Federal Supply Class
Title
HARDWARE, COMMERCIAL
Inclusions:
INCLUDES ACCESS COVERS; BUMPERS; CASTERS; CABINET AND DOOR HARDWARE; CLEVISES; HINGES; LATCHES; STRAPS AND STRAPPING; TURNBUCKLES; WEBBED STRAPS.
Exclusions:
EXCLUDES WEAPONS SYSTEM HARDWARE (FSC 5342).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MATL | MATERIAL | STEEL |
| MATL | MATERIAL | STEEL |
| AATA | COUNTERSINK ANGLE IN DEG | ANY ACCEPTABLE |
| AHRR | RIDGE HEIGHT | ANY ACCEPTABLE |
| BYYF | BORE TAPER IN DEG | 10.0 |
| BBRB | END DIAMETER | 0.6460 INCHES NOMINAL |
| BZLQ | DISTANCE FROM CENTER TO BEGINNING OF RIDGE | ANY ACCEPTABLE |
| AYRZ | COUNTERSINK DIAMETER | ANY ACCEPTABLE |
| APGF | DESIGN TYPE | SOLID |
| STYL | STYLE DESIGNATOR | SEAT |
| ABPS | FIRST STEP LENGTH | 0.1090 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 10.0 |
| FEAT | SPECIAL FEATURES | NOT CASEHARDENED |
| ABPR | FIRST STEP DIAMETER | 0.9220 INCHES NOMINAL |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.1010 INCHES NOMINAL |
| ALME | MATERIAL HARDNESS RATING | NOT RATED |
| ABPT | SECOND STEP DIAMETER | 1.1870 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.2710 INCHES NOMINAL |
| AMFZ | SECOND END DIAMETER | 0.8120 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.3420 INCHES NOMINAL |
| AATE | CHAMFER ANGLE IN DEG | ANY ACCEPTABLE |