5310-01-389-4231

Find complete technical information, availability, and procurement data for: 5310-01-389-4231
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-389-4231

Item Name Code

05277

Assigment Date

04/24/1994 (32 years ago)

An item having a major diameter of 3 or more inches (76.2mm) other than items having spoked or sumulated spoked construction, which may be under 3 inches (76.2mm) designed to be gripped by the hand to transmit rotary motion to other devices through a center axis, fabricated in the form of a solid body with simulated spokes or a recessed surface between the rim and the hub, or it may be built up in the form of a frame having a central hub connected to the rim by the spokes. It may have reference markings in the form of dots, arrows, hairline, and the like., to indicate the relative position and\or direction of rotation of the items(s) with which it is used. It may also include an integral rathchet device. For similar items having a maximum diameter of less than 3 inches (76.2mm), see knob. For items calibrated in units or series divisions denoting relative positioning of associated devices, see dial (as modified) excludes:steering wheel

soluble lubricant lubrication, prevailing torque all metal design locking feature, right-hand thread direction, 3b thread class, hexagon nut style

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
Lubrication: soluble lubricant
Nut Style: hexagon
Nut Height: 0.318 inches minimum and 0.469 inches maximum
Width Across Flats: 0.553 inches minimum and 0.564 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Special Features: segmented beam lock
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty2, cl3 fed spec single treatment 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
MS21045-6S	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-389-4231?

The FSCG of the NSN 5310-01-389-4231 is 5310

Does the NSN 5310-01-389-4231 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-389-4231 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 5310-01-389-4231 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-389-4231 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 5310-01-389-4231 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Sun, Apr 24, 1994