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 |
|---|---|
| 02413 | KERSEY / AMERICAN LAFRANCE A DIV OF |
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 |
|---|---|---|
| BYYF | BORE TAPER IN DEG | 7.125 |
| BYYF | BORE TAPER IN DEG | 7.125 |
| AMFZ | SECOND END DIAMETER | 1.6650 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.6990 INCHES MINIMUM AND 0.7030 INCHES MAXIMUM |
| MATL | MATERIAL | STEEL,AISI 8640 OR STEEL,SAE 8640 |
| ABKW | OVERALL HEIGHT | 0.5000 INCHES NOMINAL |
| ZZZV | FSC APPLICATION DATA | ENGINES,RECIPROCATING,GASOLINE,EXCEPT AIRCRAFT PRIME MOVING |
| APGF | DESIGN TYPE | SOLID |
| ABPS | FIRST STEP LENGTH | 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM |
| ABPT | SECOND STEP DIAMETER | 1.8130 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | SEAT |
| AATE | CHAMFER ANGLE IN DEG | 7.125 |
| ABPR | FIRST STEP DIAMETER | 1.4060 INCHES NOMINAL |
| ALME | MATERIAL HARDNESS RATING | 51.0 ROCKWELL C NOMINAL |
| BBRB | END DIAMETER | 0.8590 INCHES NOMINAL |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.3080 INCHES MINIMUM AND 0.3180 INCHES MAXIMUM |
| AJFY | SEAT ANGLE IN DEG | 30.000 |