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NSN 313297

Concave Washer

A clamp designed to hold an item in position, alignment or in close proximity by rigidly gripping the projecting rim, ridge, collar or edge of the item. A lockwasher, bolt, screw or the like may be a part of the item of supply.

0.557 inches minimum and 0.567 inches maximum outside diameter, 0.065 inches minimum and 0.075 inches maximum material thickness, unable to decode material, 0.280 inches minimum and 0.282 inches maximum hole diameter, unable to decode material document and classification.

NSN 5310-01-171-9891 Datasheet

(NSN) National Stock Number
5310-01-171-9891
(FSG) Federal Supply Group
53 - Hardware and Abrasives
(FSC) Federal Supply Classification
5310 - Nuts and Washers
(NIIN) National Item Identification Number
01-171-9891
Requires Demilitarization
Yes
(INC) Item Name Code
15930
Date
Wed, Feb 15, 1984
Schedule B Code
7318220000
Hole Diameter
0.280 inches minimum and 0.282 inches maximum
Material Document And Classification
unable to decode
Material Thickness
0.065 inches minimum and 0.075 inches maximum
Material
unable to decode
Outside Diameter
0.557 inches minimum and 0.567 inches maximum
Style Designator
concave
Surface Treatment Document And Classification
unable to decode
Surface Treatment
unable to decode

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
A - Item does not contain precious metal.
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
0015930

Cross Reference

CAGE Codes

22915
Northrop Grumman Corp Electronic Systems Defensive System Div
U.s./canadian manufacturers

Freight Information

Schedule B & Trade

Schedule B
7318-22-0000
Description
washers other than lock washers, iron or steel
End Use
12300 - Finished metal shapes
Unit of Quantity
KG
USDA
Yes
(SITC) Standard International Trade Classification
69422
(NAICS) North American Industrial Classification System
332722

Questions & Answers

  1. What is the FSCG of the NSN 5310-01-171-9891?

    The FSCG of the NSN 5310-01-171-9891 is 5310

  2. Does the NSN 5310-01-171-9891 have a Schedule B code assigned?

    Yes, the Schedule B code is 7318220000

  3. Does NSN 5310-01-171-9891 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.

  4. Does NSN 5310-01-171-9891 contain precious materials?

    Item does not contain precious metal.

  5. Does NSN 5310-01-171-9891 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.

  6. When the NSN 5310-01-171-9891 was assigned to the Federal Catalog?

    It was assigned 42 years ago, on Wed, Feb 15, 1984

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