5310-01-014-4277

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Key Washer

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Official Item Classification

Name: Key Washer
(NSN) National Stock Number: 5310-01-014-4277
(FSG) Federal Supply Group: 53 Hardware and Abrasives
(FSC) Federal Supply Classification: 5310 Nuts and Washers
(INC) Item Name Code: 01869
(FIIG) Federal Item Identification Guide: A022B0
Date: 12/23/1975 (50 years ago)

3 internal key quantity, 0.153 inches nominal distance from centerline to top of internal key, 0.305 inches nominal hole diameter, 0.037 inches minimum and 0.047 inches maximum internal straight key width, 0.520 inches nominal outside diameter

Specs & Compatibility

Hole Diameter

0.305 inches nominal

Outside Diameter

0.520 inches nominal

Internal Straight Key Width

0.037 inches minimum and 0.047 inches maximum

Distance From Centerline To Top Of Internal Key

0.153 inches nominal

Internal Key Quantity

Material Thickness

0.020 inches minimum and 0.030 inches maximum

Special Features

washer is split

Material

steel comp 631 overall

Material Document And Classification

mil-s-25043 mil spec single material response overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall

Style Designator

key

Regulatory Compliance

Precious Metals Indicator

Precious metal content is unknown

Criticality Code

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator

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

0001869

Related Hardware Products

Part Number	Description
CA1786	Key Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-014-4277?

The FSCG of the NSN 5310-01-014-4277 is 5310

Does the NSN 5310-01-014-4277 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-014-4277 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.

Does NSN 5310-01-014-4277 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-014-4277 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.

When the NSN 5310-01-014-4277 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Tue, Dec 23, 1975