5310-00-840-1975

Find complete technical information, availability, and procurement data for: 5310-00-840-1975
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-840-1975

Item Name Code

29735

Assigment Date

01/01/1962 (64 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

0.125 inches nominal flange thickness, 0.560 inches nominal flange diameter, right-hand thread direction, 0.263 inches minimum and 0.268 inches maximum nut counterbore diameter, 3b thread class

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
Counterbore Diameter: 0.263 inches minimum and 0.268 inches maximum nut
Flange Diameter: 0.560 inches nominal
Flange Thickness: 0.125 inches nominal
Nut Style: sleeve
Nut Diameter: 0.310 inches minimum and 0.312 inches maximum
Nut Length: 0.334 inches minimum and 0.344 inches maximum
Nut Counterbore Depth: 0.060 inches nominal nut
Cross-Sectional Shape: round w/splines flange
Thread Series: unf
Features Provided: casehardened
Thread Quantity Per Inch: 28
Hardness Rating: 88.0 rockwell superficial 15-n minimum and 92.0 rockwell superficial 15-n maximum
Nominal Thread Size: 0.250 inches
Countersink Angle: 120.0 degrees nominal nut
Material: steel comp 317 overall
Surface Treatment: phosphate 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
8401975	Sleeve Nut

FAQs

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

What is the FSCG of the NSN 5310-00-840-1975?

The FSCG of the NSN 5310-00-840-1975 is 5310

Does the NSN 5310-00-840-1975 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-840-1975 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 5310-00-840-1975 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-840-1975 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 5310-00-840-1975 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962