NA038B

View detailed technical data, stock status, and sourcing information for: NA038B
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-118-0900

Item Name Code

01857

Assigment Date

08/26/1981 (44 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.

hexagon nut style, 2b thread class, 0.178 inches minimum and 0.230 inches maximum nut height, 0.423 inches minimum and 0.437 inches maximum 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: 0.178 inches minimum and 0.230 inches maximum
Width Across Flats: 0.423 inches minimum and 0.437 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Bearing Surface Type: chamfered
Material: steel overall
Surface Treatment: nickel 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
NA038B	Hexagon Plain Nut
NA38B	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-118-0900?

The FSCG of the NSN 5310-01-118-0900 is 5310

Does the NSN 5310-01-118-0900 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-118-0900 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 5310-01-118-0900 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-118-0900 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 5310-01-118-0900 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Aug 26, 1981