Product Details | HELICAL COMPRESSION SPRING SEAT

5340-00-977-8277 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: 693001, 5340-00-977-8277, 00-977-8277, 5340009778277, 009778277

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-977-8277

Drawings & Photos | NSN 5340-00-977-8277


Cross Reference | NSN 5340-00-977-8277

Part Number Cage Code Manufacturer
693001 99167 HAMILTON SUNDSTRAND CORPORATION

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Technical Data | NSN 5340-00-977-8277

Characteristic Specifications
MATERIAL STEEL
MATERIAL HARDNESS RATING NOT RATED
SURFACE TREATMENT PASSIVATED
STYLE DESIGNATOR N1 SEAT
OVERALL HEIGHT 0.8270 INCHES NOMINAL
END DIAMETER 0.5940 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP 0.7650 INCHES NOMINAL
FIRST STEP DIAMETER 0.9060 INCHES NOMINAL
BORE DIAMETER 0.4530 INCHES NOMINAL
COUNTERSINK DIAMETER 0.5310 INCHES NOMINAL
COUNTERSINK ANGLE IN DEG 30.0
DESIGN TYPE SOLID
SPECIAL FEATURES BOTTOM OF BORE HAS HOLE 0.203 IN. DIA W/DP 0.044 IN.
MANUFACTURERS CODE 99167
DESIGN CONTROL REFERENCE 693001

Restrictions/Controls & Freight Information | NSN 5340-00-977-8277

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 095190 HARDWARE, NOI
Less than car load rating Q 70
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
Air Special Handling Z No special handling required.
Special Handling Code Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable