Product Details | HELICAL COMPRESSION SPRING SEAT

1680-00-288-0772 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: 002880772

Aircraft Components and Accessories | Miscellaneous Aircraft Accessories and Components

Supply Group (FSG) NSN Assign. NIIN
16 00-288-0772

Drawings & Photos | NSN 1680-00-288-0772


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Technical Data | NSN 1680-00-288-0772

Characteristic Specifications
MATERIAL ALUMINUM ALLOY C04-1076 FSCM 36659 ALLOY 7075 TEMPER T73510
MATERIAL HARDNESS RATING NOT RATED
SURFACE TREATMENT ANODIZE LCP77-2037 FSCM 36659,CLASS 1,GRADE 1,TYPE 1
STYLE DESIGNATOR N5 SEAT
OVERALL HEIGHT 2.3600 INCHES NOMINAL
END DIAMETER 0.3472 INCHES MINIMUM AND 0.3500 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP 2.1200 INCHES NOMINAL
FIRST STEP DIAMETER 0.7500 INCHES NOMINAL
FIRST STEP LENGTH 0.1150 INCHES NOMINAL
SECOND STEP DIAMETER 1.0100 INCHES MINIMUM AND 1.0200 INCHES MAXIMUM
BORE DIAMETER 0.1950 INCHES MINIMUM AND 0.1970 INCHES MAXIMUM
COUNTERBORE LENGTH 1.8000 INCHES NOMINAL
COUNTERBORE DIAMETER 0.2500 INCHES MINIMUM AND 0.2516 INCHES MAXIMUM
DESIGN TYPE SOLID
SPECIAL FEATURES UNDER CUT AT BASE OF FIRST STEP 0.190 IN. W BY 0.3250 IN.MIN,0.3550 IN. MAX DIA
III FSC APPLICATION DATA SPRING CARTRIDGE,SPOILER CONTROL,ACFT
MANUFACTURERS CODE 98897
DESIGN CONTROL REFERENCE 1210016-101

Restrictions/Controls & Freight Information | NSN 1680-00-288-0772

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