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1559681 Lock Washer

5310-01-122-8421

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Official Item Classification

Name
Lock Washer
Part Number
1559681
(NSN) National Stock Number
5310-01-122-8421
(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
12/01/1981 (44 years ago)

steel comp 1050 overall material, 0.035 inches nominal material thickness, the inside dia. is d shaped; washer connector for stabilizing rod component of zuni rocket motor special features, 0.682 inches nominal outside diameter, 0.391 inches nominal hole diameter

Specs & Compatibility

Hole Diameter

0.391 inches nominal

Outside Diameter

0.682 inches nominal

Material Thickness

0.035 inches nominal

Special Features

the inside dia. is d shaped; washer connector for stabilizing rod component of zuni rocket motor

Material

steel comp 1050 overall

Material Document And Classification

qq-s-700 fed spec single material response overall

Surface Treatment

cadmium overall

Surface Treatment Document And Classification

qq-p-416,type i,class 3 fed spec single treatment response overall

Style Designator

flat external teeth

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
N

The item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).

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
1559681 Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-122-8421?
The FSCG of the NSN 5310-01-122-8421 is 5310
Does the NSN 5310-01-122-8421 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-01-122-8421 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 5310-01-122-8421 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-122-8421 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 5310-01-122-8421 was assigned to the Federal Catalog?
It was assigned 44 years ago, on Tue, Dec 1, 1981