Product Details | HELICAL COMPRESSION SPRING SEAT

5340-00-053-1654 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: 58732, 5340-00-053-1654, 00-053-1654, 5340000531654, 000531654

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 25 MAY 1967 00-053-1654

Cross Reference | NSN 5340-00-053-1654

Part Number Cage Code Manufacturer
58732 81982 HYDRO-AIRE, INC.

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Technical Data | NSN 5340-00-053-1654

Characteristic Specifications
COUNTERSINK DIAMETER 0.2330 INCHES MINIMUM AND 0.2345 INCHES MAXIMUM
SPECIAL FEATURES SPLINED BORE W/TEN TEETH;NOT CASEHARDENED
DISTANCE FROM END TO FIRST STEP 0.0800 INCHES NOMINAL
FSC APPLICATION DATA ROTOR BRAKE,ACFT
COUNTERSINK ANGLE IN DEG 45.0
DESIGN TYPE SOLID
FIRST STEP DIAMETER 0.4850 INCHES NOMINAL
END DIAMETER 0.4000 NOMINAL INCHES
BORE DIAMETER 0.1930 INCHES MINIMUM AND 0.1945 INCHES MAXIMUM
MATERIAL STEEL, MIL-S-6758, COND F4
STYLE DESIGNATOR SEAT
OVERALL HEIGHT 0.1400 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5340-00-053-1654

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 177980 SPRINGS NOI STL O/T WIRE
Less than car load rating T 55
Less than truck load rating T 55.0
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