4037830

View detailed technical data, stock status, and sourcing information for: 4037830
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-087-5756

Item Name Code

05276

Assigment Date

12/19/1979 (46 years ago)

An internally threaded nut which has an internal seat or shoulder designed to engage the nut retaining flange of a union tailpiece. The threaded portion is used to engage the thread piece of a union, union elbor or the like. Excludes:nut (1), tube coupling.

right-hand thread direction, prevailing torque all metal design locking feature, double hexagon nut style, 3b thread class, 0.458 inches minimum and 0.473 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
Locking Feature: prevailing torque all metal design
Nut Style: double hexagon
Nut Height: 0.458 inches minimum and 0.473 inches maximum
Width Across Flats: 0.430 inches minimum and 0.439 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.312 inches
Bearing Surface Type: chamfered
Material: steel corrosion resisting overall
Material Document And Classification: ams 5709 assn std single material response overall
Precious Material: silver

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
4037830	Double Hexagon Self-Locking Nut
LH11618-5	Double Hexagon Self-Locking Nut
ST2169-07	Double Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-087-5756?

The FSCG of the NSN 5310-01-087-5756 is 5310

Does the NSN 5310-01-087-5756 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-087-5756 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 5310-01-087-5756 contain precious materials?

Item contains silver.

Does NSN 5310-01-087-5756 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 5310-01-087-5756 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Wed, Dec 19, 1979