5310-00-550-0744

Find complete technical information, availability, and procurement data for: 5310-00-550-0744
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-550-0744

Item Name Code

05277

Assigment Date

01/01/1960 (66 years ago)

A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. A locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. The shank may include an external wrenching facility which breaks off at a predetermined applied torque.

right-hand thread direction, 0.428 inches minimum and 0.440 inches maximum width across flats, 0.203 inches minimum and 0.218 inches maximum nut height, prevailing torque all metal design locking feature, 3b thread class

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 Height: 0.203 inches minimum and 0.218 inches maximum
Width Across Flats: 0.428 inches minimum and 0.440 inches maximum
Temp Rating: 550.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Special Features: upper thd portion deformed elliptically to produce self-locking action
Material: steel overall
Surface Treatment: cadmium 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
1048637-5	Hexagon Self-Locking Nut
CP10-3-4-428	Hexagon Self-Locking Nut
LHTE048	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-550-0744?

The FSCG of the NSN 5310-00-550-0744 is 5310

Does the NSN 5310-00-550-0744 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-550-0744 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 5310-00-550-0744 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-550-0744 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 5310-00-550-0744 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960