LWZ305

View detailed technical data, stock status, and sourcing information for: LWZ305
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-012-0638

Item Name Code

14218

Assigment Date

01/01/1963 (63 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

66 fed std all material responses or aisi national spec all material responses or sae national spec all material responses overall material document and classification, 45.0 rockwell c minimum and 53.0 rockwell c maximum hardness rating, 0.601 inches maximum outside diameter, 0.319 inches minimum and 0.333 inches maximum hole diameter, 0.097 inches minimum and 0.107 inches maximum material thickness

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 0.319 inches minimum and 0.333 inches maximum
Outside Diameter: 0.601 inches maximum
Material Thickness: 0.097 inches minimum and 0.107 inches maximum
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum
Material Document And Classification: 66 fed std all material responses or aisi national spec all material responses or sae national spec all material responses overall
Style Designator: split helical-right hand
Nondefinitive Spec/Std Data: 3 style and a class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-194-9222	No Name Available	01/01/1963
5310-00-261-7383	No Name Available	01/01/1963
5310-00-653-0604	No Name Available	01/01/1963

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
1103971	Lock Washer
11059019	Lock Washer
120638	Lock Washer
1886686	Lock Washer
34846S7	Lock Washer
402K5	Lock Washer
503/4/13586/000	Lock Washer
LWZ305	Lock Washer
MS35339-26	Lock Washer
MW6-10	Lock Washer
N7460AH	Lock Washer
PC120638	Lock Washer

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-00-012-0638?

The FSCG of the NSN 5310-00-012-0638 is 5310

Does NSN 5310-00-012-0638 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 5310-00-012-0638 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-012-0638 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 5310-00-012-0638 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963