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345731 BASIC Recessed Washer

5310-00-209-2390

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Official Item Classification

Name
Recessed Washer
Part Number
345731 BASIC
(NSN) National Stock Number
5310-00-209-2390
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
15933
(FIIG) Federal Item Identification Guide
A022B0
Date
01/01/1963 (63 years ago)

2.002 inches minimum and 2.012 inches maximum hole diameter, 2.360 inches nominal recess diameter, 120.0 degrees nominal recess angle, 0.150 inches nominal material thickness, 2.500 inches nominal outside diameter

Specs & Compatibility

Hole Diameter

2.002 inches minimum and 2.012 inches maximum

Outside Diameter

2.500 inches nominal

Recess Diameter

2.360 inches nominal

Material Thickness

0.150 inches nominal

Recess Angle

120.0 degrees nominal

Material

steel comp 1020 overall

Material Document And Classification

sae fed std single material response overall

Style Designator

recessed

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

0015933

Related Hardware Products

Part Number Description
345731 Recessed Washer
345731 BASIC Recessed Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-209-2390?
The FSCG of the NSN 5310-00-209-2390 is 5310
Does the NSN 5310-00-209-2390 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-00-209-2390 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 5310-00-209-2390 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-209-2390 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 5310-00-209-2390 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963