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STD1661 Lock Washer

5310-00-452-9178

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

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Official Item Classification

Name
Lock Washer
Part Number
STD1661
(NSN) National Stock Number
5310-00-452-9178
(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
05/08/1970 (56 years ago)

navy special project part name assigned by controlling agency, 0.016 inches nominal material thickness, 0.156 inches nominal outside diameter, steel overall material, 0.094 inches nominal hole diameter

Specs & Compatibility

Hole Diameter

0.094 inches nominal

Outside Diameter

0.156 inches nominal

Material Thickness

0.016 inches nominal

Part Name Assigned By Controlling Agency

navy special project

Material

steel 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
STD1661 Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-452-9178?
The FSCG of the NSN 5310-00-452-9178 is 5310
Does the NSN 5310-00-452-9178 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-00-452-9178 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 5310-00-452-9178 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-00-452-9178 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 5310-00-452-9178 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Fri, May 8, 1970