1139189-1

View detailed technical data, stock status, and sourcing information for: 1139189-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-237-6483

Item Name Code

15933

Assigment Date

11/06/1970 (55 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.

90.0 degrees nominal recess angle, 0.689 inches minimum and 0.695 inches maximum hole diameter, 1.280 inches nominal outside diameter, 0.789 inches minimum and 0.795 inches maximum recess diameter, 0.157 inches minimum and 0.159 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: 0.689 inches minimum and 0.695 inches maximum
Outside Diameter: 1.280 inches nominal
Recess Diameter: 0.789 inches minimum and 0.795 inches maximum
Material Thickness: 0.157 inches minimum and 0.159 inches maximum
Recess Angle: 90.0 degrees nominal
Part Name Assigned By Controlling Agency: navy special project
Material Document And Classification: 25,fscm 80357 mfr ref single material response overall
Style Designator: recessed

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
1139189-1	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-237-6483?

The FSCG of the NSN 5310-00-237-6483 is 5310

Does NSN 5310-00-237-6483 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 5310-00-237-6483 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-237-6483 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 5310-00-237-6483 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Nov 6, 1970