5310-01-366-4544

Find complete technical information, availability, and procurement data for: 5310-01-366-4544
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-366-4544

Item Name Code

01857

Assigment Date

10/26/1992 (33 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.)

3b thread class, 0.565 inches minimum and 0.567 inches maximum first end counterbore diameter, right-hand thread direction, hexagon nut style, 0.310 inches minimum and 0.320 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
Counterbore Diameter: 0.565 inches minimum and 0.567 inches maximum first end
Nut Style: hexagon
Nut Height: 0.310 inches minimum and 0.320 inches maximum
Nut Counterbore Depth: 0.075 inches minimum and 0.080 inches maximum first end
Width Across Flats: 0.630 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.438 inches
Countersink Angle: 45.0 degrees nominal first end
Bearing Surface Type: flat
Material: steel comp 303 overall
Material Document And Classification: astm a582 ty303 assn std single material 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
803-6397304-XX-07	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-366-4544?

The FSCG of the NSN 5310-01-366-4544 is 5310

Does the NSN 5310-01-366-4544 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-366-4544 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 5310-01-366-4544 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-366-4544 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 5310-01-366-4544 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Mon, Oct 26, 1992