5310-01-015-6648

Find complete technical information, availability, and procurement data for: 5310-01-015-6648
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-015-6648

Item Name Code

01857

Assigment Date

01/24/1976 (50 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

right-hand thread direction, 3b thread class, 0.621 inches minimum and 0.628 inches maximum width across flats, hexagon nut style, 0.219 inches nominal 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
Nut Style: hexagon
Nut Height: 0.219 inches nominal
Width Across Flats: 0.621 inches minimum and 0.628 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Countersink Angle: 90.0 degrees nominal nut
Bearing Surface Type: chamfered
Material: steel comp 1137 or steel comp 1141 or steel comp 4130 or steel comp 4140 overall
Material Document And Classification: qq-s-637 fed spec 1st material response or qq-s-637 fed spec 2nd material response or mil-s-6758 mil spec 3rd material response or mil-s-5626 mil spec 4th material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-282-7820	No Name Available	08/01/2002

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
477 628	Hexagon Plain Nut
AN924-3	Hexagon Plain Nut
AS5178-03	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-015-6648?

The FSCG of the NSN 5310-01-015-6648 is 5310

Does the NSN 5310-01-015-6648 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-015-6648 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 5310-01-015-6648 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-015-6648 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 5310-01-015-6648 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Sat, Jan 24, 1976