Product Details | HELICAL COMPRESSION SPRING SEAT

2990-00-361-2537 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.

Part Alternates: 003612537

Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 00-361-2537

Drawings & Photos | NSN 2990-00-361-2537


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Technical Data | NSN 2990-00-361-2537

Characteristic Specifications
MATERIAL STEEL
MATERIAL HARDNESS RATING NOT RATED
STYLE DESIGNATOR N11 SEAT
OVERALL HEIGHT 0.4380 INCHES NOMINAL
END DIAMETER 0.5630 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP 0.1560 INCHES NOMINAL
FIRST STEP DIAMETER 0.7500 INCHES NOMINAL
FIRST STEP LENGTH 0.1560 INCHES NOMINAL
SECOND STEP DIAMETER 1.1250 INCHES NOMINAL
BORE DIAMETER 0.5320 INCHES MINIMUM AND 0.5340 INCHES MAXIMUM
BORE TAPER IN DEG 14.25
DESIGN TYPE SOLID
FEATURES PROVIDED CASEHARDENED
III FSC APPLICATION DATA STARTERS,ENGINE,GASOLINE,EXCEPT AIRCRAFT AND GUIDED MISSILE PRIME MOVINE
MANUFACTURERS CODE 11083
DESIGN CONTROL REFERENCE 4B7361

Restrictions/Controls & Freight Information | NSN 2990-00-361-2537

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Controlled Inventory Item Code:UUNCLASSIFIED
Category Code Description
No Freight Information