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 |
|---|---|
| 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL D |
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 |
|---|---|---|
| BZDL | COUNTERBORE LENGTH | 0.2600 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM |
| SURF | SURFACE TREATMENT | PASSIVATED, QQ-P-35, TYPE 2 OR PASSIVATE QQ-P-35,TY 1 OR 3 |
| ABXV | BORE DIAMETER | 0.7550 INCHES MINIMUM AND 0.7650 INCHES MAXIMUM |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.2500 INCHES NOMINAL |
| BBRB | END DIAMETER | 1.0000 INCHES NOMINAL |
| APGF | DESIGN TYPE | SOLID |
| ABKW | OVERALL HEIGHT | 0.3750 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | SEAT |
| FEAT | SPECIAL FEATURES | FOUR 0.1875 IN. DIA HOLE EQUALLY SPACED ON 1.312 IN. BOLT CIRCLE LOCATED ON FIRST STEP DIA |
| AAWY | COUNTERBORE DIAMETER | 0.8800 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM |
| ALME | MATERIAL HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| MATL | MATERIAL | STEEL,AISI 630,17-4 PH |
| ABPR | FIRST STEP DIAMETER | 1.6250 INCHES NOMINAL |