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81831 Flat Washer

5310-00-680-7848

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Featured Parts

H019595
5340-01-721-0782
Mounting Bracket
H019596
5340-01-720-9910
Mounting Bracket
H019610
5340-01-721-0227
Access Cover
H019652
5305-01-721-3597
Hexagon Head Cap Screw
H019654
5310-01-721-3599
Flat Washer
H019676-032
5340-01-720-7997
Access Cover
H019844-A/B
5340-01-720-8051
Filler Opening Cap
H019845
5340-01-720-8058
Filler Opening Cap

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Official Item Classification

Name
Flat Washer
Part Number
81831
(NSN) National Stock Number
5310-00-680-7848
(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
01/01/1963 (63 years ago)

0.240 inches minimum and 0.260 inches maximum thickness, round peripheral shape style, rectangular cross-sectional shape style, round center hole shape style, 0.553 inches minimum and 0.573 inches maximum hole diameter

Specs & Compatibility

Cross-Sectional Shape Style

rectangular

Hole Diameter

0.553 inches minimum and 0.573 inches maximum

Peripheral Shape Style

round

Center Hole Shape Style

round

Thickness

0.240 inches minimum and 0.260 inches maximum

Overall Diameter

1.990 inches minimum and 2.010 inches maximum

Material

lead overall

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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
81831 Flat Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-680-7848?
The FSCG of the NSN 5310-00-680-7848 is 5310
Does the NSN 5310-00-680-7848 have a Schedule B code assigned?
Yes, the Schedule B code is 7806008000
Does NSN 5310-00-680-7848 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 5310-00-680-7848 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-680-7848 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 5310-00-680-7848 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963