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 |
|---|---|
| 99167 | HAMILTON SUNDSTRAND 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 |
|---|---|---|
| SURF | SURFACE TREATMENT | PASSIVATED, QQ-P-35 |
| BZDL | COUNTERBORE LENGTH | 0.1750 INCHES MINIMUM AND 1.1850 INCHES MAXIMUM |
| BBRB | END DIAMETER | 1.6140 INCHES MINIMUM AND 1.6240 INCHES MAXIMUM |
| ALME | MATERIAL HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| ABPR | FIRST STEP DIAMETER | 1.8800 INCHES NOMINAL |
| APGF | DESIGN TYPE | SOLID |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.1150 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.2850 INCHES MINIMUM AND 0.3050 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | SEAT |
| AYRZ | COUNTERSINK DIAMETER | 1.5340 INCHES MINIMUM AND 1.5540 INCHES MAXIMUM |
| AATA | COUNTERSINK ANGLE IN DEG | 45.0 |
| MATL | MATERIAL | STEEL, AMS 5659 |
| ABXV | BORE DIAMETER | 1.3810 INCHES MINIMUM AND 1.3860 INCHES MAXIMUM |
| AAWY | COUNTERBORE DIAMETER | 1.5050 INCHES MINIMUM AND 1.5090 INCHES MAXIMUM |