5310-01-257-5144

Find complete technical information, availability, and procurement data for: 5310-01-257-5144
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-257-5144

Item Name Code

15887

Assigment Date

06/20/1987 (39 years ago)

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

right-hand thread direction, 4.890 inches nominal nut diameter, 1.015 inches nominal nut thickness, round nut style, 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
Nut Style: round
Nut Diameter: 4.890 inches nominal
Nut Thickness: 1.015 inches nominal
Drive Point Quantity: 4
Drive Point Diameter: 0.208 inches minimum and 0.214 inches maximum
Thread Series: unj
Thread Quantity Per Inch: 12
Nominal Thread Size: 3.875 inches
Criticality Code Justification: feat
Special Features: eight holes w/.2500-28 unjf-2b thd,two ea.located between ea.csk hole;4.125-12unj-3a thd.located on outer edge of flange;used on f16c/d blk 30g
Material: steel comp 4130 or steel comp 4140 overall
Material Document And Classification: mil-s-6758 mil spec 1st material response or mil-s-5626 mil spec 2nd material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416 type ii cl 2 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
2007647-1	Round Plain Nut
5310PL0779037	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-257-5144?

The FSCG of the NSN 5310-01-257-5144 is 5310

Does the NSN 5310-01-257-5144 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-257-5144 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 5310-01-257-5144 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-257-5144 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 5310-01-257-5144 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sat, Jun 20, 1987