NAS1443-9

View detailed technical data, stock status, and sourcing information for: NAS1443-9
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-007-7975

Item Name Code

01869

Assigment Date

07/14/1972 (54 years ago)

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes:thrust type washer.

34.0 rockwell c minimum and 38.0 rockwell c maximum hardness rating, 0.240 inches nominal external prebent key width, 1.916 inches minimum and 1.921 inches maximum overall distance including keys, 1.844 inches nominal outside diameter, 1.550 inches nominal hole diameter

Product Characteristics

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

Hole Diameter: 1.550 inches nominal
Outside Diameter: 1.844 inches nominal
External Prebent Key Width: 0.240 inches nominal
Overall Distance Including Keys: 1.916 inches minimum and 1.921 inches maximum
Hardness Rating: 34.0 rockwell c minimum and 38.0 rockwell c maximum
Color: black overall
Material: steel comp 1050 overall
Material Document And Classification: ams5085 assn std single material response overall
Surface Treatment: oxide film overall
Surface Treatment Document And Classification: mil-c-13924,cl1 mil spec single treatment response overall
Specification/Standard Data: 80205-nas1443 professional/industrial association standard

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
NAS1443-9	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-007-7975?

The FSCG of the NSN 5310-00-007-7975 is 5310

Does the NSN 5310-00-007-7975 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-007-7975 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 5310-00-007-7975 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-007-7975 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 5310-00-007-7975 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Jul 14, 1972