5310-00-245-8268

Find complete technical information, availability, and procurement data for: 5310-00-245-8268
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-245-8268

Item Name Code

15933

Assigment Date

07/18/1969 (57 years ago)

A cylindrical item which may have wrenching and/or driving facilities and/or shoulders. It is designed to be inserted in a drilled, tapped or a pretapped hole, or molded or pressed into soft material to reduce the size of a tapped hole; to provide threads; to add strength, and/or to prevent stripping. It is one of the following: (1) a one-piece, flanged or unflanged, internally threaded item which may have external threads, and/or serrations around the periphery of the collar, designed to engage a serrated lock ring which is not included with the item; (2) a one-piece precision coiled wire; (3) a two-piece item consisting of an internally threaded cylinder and a mating externally threaded part; or (4) a one-piece internally threaded item whose outside diameter is tapered and/or knurled and/or with fin(s). The internal thread of the item may have a locking feature. Excludes:items having a sleeve on on its under portion which can be clinched or crimped. Excludes:bushing,machine thread; nut,plain,knurled; nut,plain,round; nut,plain,clinch and nut,self-locking,clinch. See also nut,plain,plate

0.090 inches nominal material thickness, 0.310 inches nominal recess diameter, 0.256 inches minimum and 0.263 inches maximum hole diameter, 0.020 inches minimum and 0.030 inches maximum top recess diameter, 0.650 inches minimum and 0.670 inches maximum outside 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: 0.256 inches minimum and 0.263 inches maximum
Outside Diameter: 0.650 inches minimum and 0.670 inches maximum
Recess Diameter: 0.310 inches nominal
Material Thickness: 0.090 inches nominal
Top Recess Diameter: 0.020 inches minimum and 0.030 inches maximum
Bottom Recess Angle: 43.0 degrees minimum and 47.0 degrees maximum
Top Recess Angle: 43.0 degrees minimum and 47.0 degrees maximum
Bottom Recess Diameter: 0.020 inches minimum and 0.030 inches maximum
Material: steel comp 301 overall
Material Document And Classification: qq-s-766,class 301,condition full hard fed spec single material response overall
Surface Treatment: chromium overall
Surface Treatment Document And Classification: mil-p-14538 mil spec single treatment response overall
Style Designator: recessed both sides

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
10188717	Recessed Washer
457-5571	Recessed Washer
5310002458268	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-245-8268?

The FSCG of the NSN 5310-00-245-8268 is 5310

Does the NSN 5310-00-245-8268 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-245-8268 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 5310-00-245-8268 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-245-8268 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 5310-00-245-8268 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Jul 18, 1969