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5310-01-421-4256

Flat Washer

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Official Item Classification

Name
Flat Washer
(NSN) National Stock Number
5310-01-421-4256
(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
11/08/1995 (30 years ago)

rectangular cross-sectional shape style, round center hole shape style, round peripheral shape style, 0.573 inches minimum and 0.578 inches maximum hole diameter, 0.028 inches minimum and 0.036 inches maximum thickness

Specs & Compatibility

Cross-Sectional Shape Style

rectangular

Hole Diameter

0.573 inches minimum and 0.578 inches maximum

Peripheral Shape Style

round

Center Hole Shape Style

round

Thickness

0.028 inches minimum and 0.036 inches maximum

Overall Diameter

1.057 inches minimum and 1.062 inches maximum

Material

steel comp 301 or steel comp 302 or steel comp 304 or steel comp 316 or steel comp 321 or steel comp 347 overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall

Specification/Standard Data

80205-nas1149 professional/industrial association standard

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.

Pseudo Item Name Code

0013393

Related Hardware Products

Part Number Description
5310PL1474705 Flat Washer
NAS1149C0932R Flat Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-421-4256?
The FSCG of the NSN 5310-01-421-4256 is 5310
Does the NSN 5310-01-421-4256 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-01-421-4256 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 5310-01-421-4256 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-421-4256 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 5310-01-421-4256 was assigned to the Federal Catalog?
It was assigned 30 years ago, on Wed, Nov 8, 1995