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 |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
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 |
|---|---|---|
| AATA | COUNTERSINK ANGLE IN DEG | 60.0 |
| ABKW | OVERALL HEIGHT | 0.1870 INCHES NOMINAL |
| BBRB | END DIAMETER | 0.5780 INCHES NOMINAL |
| SURF | SURFACE TREATMENT | ANODIZED |
| ABXV | BORE DIAMETER | 0.5150 INCHES MINIMUM AND 0.5250 INCHES MAXIMUM |
| ABPR | FIRST STEP DIAMETER | 0.9370 INCHES NOMINAL |
| MATL | MATERIAL | ALUMINUM ALLOY |
| APGF | DESIGN TYPE | SOLID |
| STYL | STYLE DESIGNATOR | SEAT |
| AYRZ | COUNTERSINK DIAMETER | 0.5930 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | NOT CASEHARDENED |
| ALME | MATERIAL HARDNESS RATING | NOT RATED |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.1220 INCHES MINIMUM AND 0.1280 INCHES MAXIMUM |