Product Details | HELICAL COMPRESSION SPRING SEAT

5340-00-856-3948 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: 8800441, 880044-1, 5340-00-856-3948, 00-856-3948, 5340008563948, 008563948

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 29 SEP 1967 00-856-3948

Drawings & Photos | NSN 5340-00-856-3948


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Technical Data | NSN 5340-00-856-3948

Characteristic Specifications
MATERIAL ALUMINUM ALLOY
MATERIAL HARDNESS RATING NOT RATED
SURFACE TREATMENT ANODIZED
STYLE DESIGNATOR N1 SEAT
OVERALL HEIGHT 0.2500 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM
END DIAMETER 0.9200 INCHES MINIMUM AND 0.9250 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP 0.0400 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM
FIRST STEP DIAMETER 1.1200 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM
BORE DIAMETER 0.5400 INCHES MINIMUM AND 0.5600 INCHES MAXIMUM
COUNTERBORE LENGTH 0.1500 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM
COUNTERBORE DIAMETER 0.8750 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM
DESIGN TYPE SOLID
III FSC APPLICATION DATA VALVE,REGULATING,FLUID PRESSURE,POWERED,4810008916356 392910-1-1
MANUFACTURERS CODE 59364
DESIGN CONTROL REFERENCE 880044-1

Restrictions/Controls & Freight Information | NSN 5340-00-856-3948

Category Code Description
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.
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
No Freight Information