Product Details | HELICAL COMPRESSION SPRING SEAT

5340-00-437-7626 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: 353296, 5340-00-437-7626, 00-437-7626, 5340004377626, 004377626

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 10 SEP 1969 00-437-7626

Drawings & Photos | NSN 5340-00-437-7626


Cross Reference | NSN 5340-00-437-7626

Part Number Cage Code Manufacturer
353296 62983 EATON AEROSPACE LLC

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Technical Data | NSN 5340-00-437-7626

Characteristic Specifications
MATERIAL STEEL
MATERIAL HARDNESS RATING 40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR N1 SEAT
OVERALL HEIGHT 0.2900 INCHES NOMINAL
END DIAMETER 0.5800 INCHES MINIMUM AND 0.5850 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP 0.0650 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM
FIRST STEP DIAMETER 0.6190 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM
BORE DIAMETER 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM
COUNTERBORE LENGTH 0.1870 INCHES MINIMUM AND 0.1980 INCHES MAXIMUM
COUNTERBORE DIAMETER 0.4980 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM
DESIGN TYPE SOLID
SPECIAL FEATURES NOT CASEHARDENED;MATL-STEEL VS1-1-6-6 COMP 4150 OR VS1-1-6-6 COMP 6150(VICKERS AOM DIV.,SPERRY RAND CORP)
MANUFACTURERS CODE 62983
DESIGN CONTROL REFERENCE 353296

Restrictions/Controls & Freight Information | NSN 5340-00-437-7626

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
NMF Description 177970 SPRINGS NOI STL O/T WIRE
Less than car load rating W Rating Variable
Less than truck load rating Z No Rating
Water commodity Code 579 unknown
Originating Activity Code CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
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 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable