5310-01-431-7551

Find complete technical information, availability, and procurement data for: 5310-01-431-7551
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-431-7551

Item Name Code

05280

Assigment Date

05/17/1996 (30 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

prevailing torque all metal design locking feature, 1.441 inches maximum nut length, 0.379 inches minimum nut counterbore diameter, plate nut style, 0.130 inches minimum and 0.135 inches maximum mounting hole diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Locking Feature: prevailing torque all metal design
Counterbore Diameter: 0.379 inches minimum nut
Mounting Hole Diameter: 0.130 inches minimum and 0.135 inches maximum
Nut Style: plate
Nut Length: 1.441 inches maximum
Nut Height: 0.374 inches maximum
Plate Thickness: 0.046 inches minimum and 0.054 inches maximum
Plate Width: 0.740 inches maximum
Removable Nut Manufacturer Code: 76301
Nut Counterbore Depth: 0.070 inches minimum nut
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.495 inches minimum and 0.505 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 0.310 inches minimum and 0.314 inches maximum
Removable Nut Manufacturer Part Number: st3m445c6m2
Features Provided: floating nut
Special Features: assembly includes retaing clip, p/n st3m446-6
Material: iron alloy 660 shell
Material Document And Classification: ams 5525 assn std 1st material response or ams 5735 assn std 2nd material response overall
Surface Treatment: passivate shell
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response shell

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
F49251E6-1	Plate Self-Locking Nut
ST3M442-6A1	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-431-7551?

The FSCG of the NSN 5310-01-431-7551 is 5310

Does the NSN 5310-01-431-7551 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-431-7551 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 5310-01-431-7551 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-431-7551 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 5310-01-431-7551 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, May 17, 1996