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5310-01-237-7704

Flat Washer

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Retaining Ring
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Retaining Ring
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Pipe Elbow
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Official Item Classification

Name
Flat Washer
(NSN) National Stock Number
5310-01-237-7704
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
13393
(FIIG) Federal Item Identification Guide
A022B0
Date
08/05/1986 (40 years ago)

round peripheral shape style, round center hole shape style, 0.1810 inches minimum and 0.1830 inches maximum thickness, rectangular cross-sectional shape style, 0.515 inches nominal hole diameter

Specs & Compatibility

Cross-Sectional Shape Style

rectangular

Hole Diameter

0.515 inches nominal

Peripheral Shape Style

round

Center Hole Shape Style

round

Thickness

0.1810 inches minimum and 0.1830 inches maximum

Overall Diameter

0.786 inches nominal

Material

steel comp 4340 overall

Material Document And Classification

mil-s-5000 mil spec single material response overall

Surface Treatment

cadmium overall

Surface Treatment Document And Classification

qq-p-416,type ii,class 2 fed spec single treatment response overall

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

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

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.

Source of Supply Code

S9I

Pseudo Item Name Code

0013393

Related Hardware Products

Part Number Description
856005-01 Flat Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-237-7704?
The FSCG of the NSN 5310-01-237-7704 is 5310
Does the NSN 5310-01-237-7704 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-01-237-7704 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 5310-01-237-7704 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-237-7704 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 5310-01-237-7704 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Tue, Aug 5, 1986