5310-00-021-8563

Find complete technical information, availability, and procurement data for: 5310-00-021-8563
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-021-8563

Item Name Code

01857

Assigment Date

01/01/1963 (63 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

0.203 inches nominal nut height, 2b thread class, hexagon nut style, 0.438 inches nominal width across flats, right-hand thread direction

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
Nut Style: hexagon
Nut Height: 0.203 inches nominal
Width Across Flats: 0.438 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Bearing Surface Type: washer faced
Material: steel overall
Material Document And Classification: qq-s-633-canc fed spec single material response overall
Nondefinitive Spec/Std Data: a type
Departure From Cited Document: as modified by nut height

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-208-9749	No Name Available	11/01/1975

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
111053H	Hexagon Plain Nut
121574	Hexagon Plain Nut
1230279	Hexagon Plain Nut
14350A	Hexagon Plain Nut
4A222R	Hexagon Plain Nut
639125	Hexagon Plain Nut
7435-98Z1	Hexagon Plain Nut
855213	Hexagon Plain Nut
89-341J	Hexagon Plain Nut
Q1901	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-021-8563?

The FSCG of the NSN 5310-00-021-8563 is 5310

Does the NSN 5310-00-021-8563 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-021-8563 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 5310-00-021-8563 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-021-8563 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 5310-00-021-8563 was assigned to the Federal Catalog?

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