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4389911 Flat Washer

5310-00-005-0721

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Official Item Classification

Name
Flat Washer
Part Number
4389911
(NSN) National Stock Number
5310-00-005-0721
(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
06/07/1972 (54 years ago)

Flat Washer is made of steel. Sectional Shape Style Cross Rectangular

Specs & Compatibility

Hole Diameter

0.906 inches

Sectional Shape Style Cross

Rectangular

Thickness

0.125 inches

Overall Diameter

1.375 inches

Material

Steel

Peripheral Shape Style

Round

Center Hole Shape Style

1 round

Center Hole Shape Style

Round

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
4389911 Flat Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-005-0721?
The FSCG of the NSN 5310-00-005-0721 is 5310
Does the NSN 5310-00-005-0721 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-00-005-0721 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 5310-00-005-0721 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-00-005-0721 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 5310-00-005-0721 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Wed, Jun 7, 1972