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 |
|---|---|
| 50024 | FAIRBANKS MORSE ENGINE USE CAGE CODE |
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 |
|---|---|---|
| AYRZ | COUNTERSINK DIAMETER | 1.9380 INCHES NOMINAL |
| AYRZ | COUNTERSINK DIAMETER | 1.9380 INCHES NOMINAL |
| MATL | MATERIAL | STEEL |
| ABKW | OVERALL HEIGHT | 1.3750 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 1.3750 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 25.0 |
| AMFZ | SECOND END DIAMETER | 1.8750 INCHES NOMINAL |
| BYYF | BORE TAPER IN DEG | 10.0 |
| ABPT | SECOND STEP DIAMETER | 3.5000 INCHES NOMINAL |
| APGF | DESIGN TYPE | SOLID |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.6880 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | SEAT |
| ABPR | FIRST STEP DIAMETER | 1.8120 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | NOT CASEHARDENED |
| ABPS | FIRST STEP LENGTH | 0.2500 INCHES NOMINAL |
| AATA | COUNTERSINK ANGLE IN DEG | 10.0 |
| BBRB | END DIAMETER | 1.7190 INCHES NOMINAL |
| ALME | MATERIAL HARDNESS RATING | NOT RATED |
| BZDL | COUNTERBORE LENGTH | 0.1880 INCHES NOMINAL |