5310-00-721-5617

Find complete technical information, availability, and procurement data for: 5310-00-721-5617
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-721-5617

Item Name Code

01857

Assigment Date

01/01/1963 (63 years ago)

3b thread class, right-hand thread direction, 0.070 inches nominal drilled hole diameter, hexagon nut style, 0.208 inches minimum and 0.228 inches maximum nut height

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.208 inches minimum and 0.228 inches maximum
Drilled Hole Diameter: 0.070 inches nominal
Hole Type And Quantity: 1 drilled
Width Across Flats: 0.428 inches minimum and 0.440 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Hole Configuration Style: configuration a
Countersink Angle: 90.0 degrees nominal nut
Bearing Surface Type: chamfered
Material: steel comp 303 or steel comp 305 overall
Material Document And Classification: astm a582 assn std single material response overall
Precious Material: silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: qq-s-365 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-595-8824	No Name Available	10/16/1971
5310-00-851-4451	No Name Available	11/02/1966

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
9560140100	Hexagon Plain Nut
MS103C	Hexagon Plain Nut
MS103C428	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-721-5617?

The FSCG of the NSN 5310-00-721-5617 is 5310

Does the NSN 5310-00-721-5617 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-721-5617 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 5310-00-721-5617 contain precious materials?

Item contains silver.

Does NSN 5310-00-721-5617 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 5310-00-721-5617 was assigned to the Federal Catalog?

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