993336-4

View detailed technical data, stock status, and sourcing information for: 993336-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-256-7907

Item Name Code

13393

Assigment Date

03/24/1971 (55 years ago)

round center hole shape style, 0.020 inches minimum and 0.030 inches maximum thickness, rectangular cross-sectional shape style, 0.252 inches minimum and 0.262 inches maximum hole diameter, round peripheral shape style

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.252 inches minimum and 0.262 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.020 inches minimum and 0.030 inches maximum
Overall Diameter: 0.405 inches minimum and 0.425 inches maximum
Material: steel comp 302 overall
Material Document And Classification: qq-s-766 fed spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-f-14072,finishe300 mil spec single treatment response overall

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
993336-4	Flat Washer
D747-10	Flat Washer
R98FB004	Flat Washer
W101-3	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-256-7907?

The FSCG of the NSN 5310-00-256-7907 is 5310

Does the NSN 5310-00-256-7907 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-256-7907 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 5310-00-256-7907 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-256-7907 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 5310-00-256-7907 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Mar 24, 1971