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5310-01-588-6444

Lock Washer

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Official Item Classification

Name
Lock Washer
(NSN) National Stock Number
5310-01-588-6444
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
14218
(FIIG) Federal Item Identification Guide
A022B0
Date
09/28/2010 (16 years ago)

0.489 inches nominal outside diameter, "1/4" zinc finish heavy split lock washer" part name assigned by controlling agency, mastiff 2; mrap - cougar cat1a1 iss, cat2a1 iss, cat1a1 and cat2a1 seat survivability end item identification, 0.260 inches nominal hole diameter, 0.077 inches nominal material thickness

Specs & Compatibility

Hole Diameter

0.260 inches nominal

Outside Diameter

0.489 inches nominal

Material Thickness

0.077 inches nominal

End Item Identification

mastiff 2; mrap - cougar cat1a1 iss, cat2a1 iss, cat1a1 and cat2a1 seat survivability

Part Name Assigned By Controlling Agency

"1/4" zinc finish heavy split lock washer"

Material

steel overall

Surface Treatment

zinc overall

Style Designator

split helical-right hand

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

0014218

Related Hardware Products

Part Number Description
0157797 Lock Washer
114-300000-112 Lock Washer
114-300001-116 Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-588-6444?
The FSCG of the NSN 5310-01-588-6444 is 5310
Does the NSN 5310-01-588-6444 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-01-588-6444 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 5310-01-588-6444 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-588-6444 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 5310-01-588-6444 was assigned to the Federal Catalog?
It was assigned 16 years ago, on Tue, Sep 28, 2010