Product Details | EXTENSION HELICAL SPRING

5360-00-521-1721 An open-or close-coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, so designed to provide resistance to pulling forces. The close-coiled springs may incorporate the special feature of initial tension created between the coils when wound so that an initial load must be applied to separate them. Excludes SPRING, REINFORCING, HOSE.20210050018Guns, through 30mm53600034Coil, Flat, Leaf, and Wire Springs

Part Alternates: 1117061, 5360-00-521-1721, 00-521-1721, 5360005211721, 005211721

Hardware and Abrasives | Coil, Flat, Leaf, and Wire Springs

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-521-1721

Drawings & Photos | NSN 5360-00-521-1721


Cross Reference | NSN 5360-00-521-1721

Part Number Cage Code Manufacturer
1117061 18355 BOEING COMPANY, THE DBA BOEING
1117061 88277 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 5360-00-521-1721

Characteristic Specifications
MATERIAL STEEL OVERALL
STYLE DESIGNATOR B1 CYLINDRICAL
INSIDE DIAMETER 0.398 INCHES NOMINAL
SPRING FREE LENGTH 1.508 INCHES NOMINAL
SPRING FREE OUTSIDE DIAMETER 0.500 INCHES NOMINAL
HOOK RADIUS 0.125 INCHES NOMINAL BOTH ENDS
END STYLE F8 LONG LOOP BOTH ENDS
COIL HELIX DIRECTION RIGHT-HAND OR LEFT-HAND
COIL QUANTITY 16
DESIGN TYPE CLOSED
MANUFACTURERS CODE 88277
DESIGN CONTROL REFERENCE 1117061

Restrictions/Controls & Freight Information | NSN 5360-00-521-1721

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
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 178020 SPRINGS NOI WIRE STL
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 579 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 B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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