5310-00-165-8421

Find complete technical information, availability, and procurement data for: 5310-00-165-8421
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-165-8421

Item Name Code

15887

Assigment Date

09/04/1971 (54 years ago)

An internally threaded item with a cylindrical and/or square, hexagonal, octagonal, or dodecagonal outer periphery (parallel to the threaded axis) a portion(s) of which may or may not be enlarged, forming a flange(s) and/or shoulder(s). Items not having an enlarged outer portion may be threaded, a part of the full length, or tapped from both ends. Items having an enlarged outer portion (flange(s) or shoulder(s)) may be threaded the full length, threaded a part of the full length, or tapped from both ends. Items tapped from both ends shall have either right-hand threads on both ends or left-hand threads on both ends. For items conforming to any of the above and having a length overall exceeding two times the largest outside diameter or width across flats, use post, electrical-mechanical equipment. For items with an outside contour that is the same the full length, having a continuous thread through its entire length, and the length does not exceed two times the diameter or width across the flats use nut (1), plain (as modified). Excludes:nut (1), plain, cap. See also turnbuckle body.

round nut style, 2b thread class, right-hand thread direction, 0.499 inches minimum and 0.508 inches maximum nut counterbore diameter, 0.143 inches nominal drive point depth

Product Characteristics

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

Thread Class: 2b
Thread Direction: right-hand
Counterbore Diameter: 0.499 inches minimum and 0.508 inches maximum nut
Drive Point Depth: 0.143 inches nominal
Nut Style: round
Nut Diameter: 0.865 inches nominal
Nut Thickness: 0.812 inches nominal
Drive Point Width: 0.125 inches nominal
Drive Point Quantity: 6
Nut Counterbore Depth: 0.400 inches nominal nut
Thread Series: unf
Thread Quantity Per Inch: 20
Hardness Rating: 32.0 rockwell c minimum and 37.0 rockwell c maximum
Nominal Thread Size: 0.438 inches
Material: steel comp 4140 overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,type 3,class 2 fed spec 1st treatment response 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
44191D182	Round Plain Nut
67A98C39	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-165-8421?

The FSCG of the NSN 5310-00-165-8421 is 5310

Does the NSN 5310-00-165-8421 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-165-8421 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 5310-00-165-8421 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-165-8421 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 5310-00-165-8421 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sat, Sep 4, 1971