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NSN 494F

Extension Helical Spring

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

0.277 inches nominal inside diameter, 0.1385 inches nominal both ends hook radius, full loop both ends end style, right-hand or left-hand coil helix direction, closed design type.

NSN 5360-00-218-6391 Datasheet

(NSN) National Stock Number
5360-00-218-6391
(FSG) Federal Supply Group
53 - Hardware and Abrasives
(FSC) Federal Supply Classification
5360 - Coil, Flat, Leaf and Wire Springs
(NIIN) National Item Identification Number
00-218-6391
Requires Demilitarization
Yes
(INC) Item Name Code
04227
Date
Wed, May 2, 1973
Coil Helix Direction
right-hand or left-hand
Design Type
closed
End Style
full loop both ends
Hook Radius
0.1385 inches nominal both ends
Inside Diameter
0.277 inches nominal
Material
steel overall
Spring Free Outside Diameter
0.375 inches nominal
Spring Free Length
8.750 inches nominal
Style Designator
cylindrical

Identification

Demilitarization Code
A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Precious Metals Indicator
U - Precious metal content is unknown
Hazardous Metals Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Pseudo Item Name Code
0004227

Cross Reference

CAGE Codes

45152
Oshkosh Corp
U.s./canadian manufacturers
75Q65
Oshkosh Defense Llc
U.s./canadian manufacturers

Freight Information

Air Commodity
BZ -
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
National Motor Freight Class Rating
W - Rating variable
Special Handling
9 - Other or no special handling required (sh)
Type of Cargo
Z - No special type of cargo code applicable
Uniform Freight Classification Item Number
87400
Water Commodity
579 - Steel springs, (less than 35 feet)
National Motor Freight Classification Item Number
177940

Questions & Answers

  1. What is the FSCG of the NSN 5360-00-218-6391?

    The FSCG of the NSN 5360-00-218-6391 is 5360

  2. Does NSN 5360-00-218-6391 require demilitarization?

    Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

  3. Does NSN 5360-00-218-6391 contain precious materials?

    Precious metal content is unknown

  4. Does NSN 5360-00-218-6391 contain hazardous materials?

    Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

  5. When the NSN 5360-00-218-6391 was assigned to the Federal Catalog?

    It was assigned 53 years ago, on Wed, May 2, 1973

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