MS51968-41

View detailed technical data, stock status, and sourcing information for: MS51968-41
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-761-6872

Item Name Code

01857

Assigment Date

01/01/1960 (66 years ago)

A headless, generally cylindrically-shaped item having a straight, smooth, solid body, with or without a drilled hole(s). It has an outside diameter equal to or less than its length. Its length must not exceed twelve inches (304 mm); for items whose length exceeds twelve inches (304 mm); see rod,straight,headless. It is used for aligning or transfer of torque and/or thrust, by fitting into corresponding holes of another item. See also pin,straight,threaded.

1.245 inches minimum and 1.317 inches maximum nut height, 2.1750 inches minimum and 2.2500 inches maximum width across flats, hexagon nut style, right-hand thread direction, 2b 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: 2b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 1.245 inches minimum and 1.317 inches maximum
Width Across Flats: 2.1750 inches minimum and 2.2500 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 12
Hardness Rating: 121.0 brinell standard minimum
Nominal Thread Size: 1.500 inches
Bearing Surface Type: chamfered or washer faced
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-011-5739	No Name Available	12/01/1979
5310-00-042-6753	No Name Available	04/01/1980
5310-00-042-7361	No Name Available	04/01/1980
5310-00-060-2396	No Name Available	01/01/1983
5310-00-176-8183	No Name Available	01/01/1983
5310-00-579-3316	No Name Available	02/01/1983
5310-00-619-5832	No Name Available	09/01/2023

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
128GT10001-43	Hexagon Plain Nut
G4060-1-1/2	Hexagon Plain Nut
MS51968-41	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-761-6872?

The FSCG of the NSN 5310-00-761-6872 is 5310

Does the NSN 5310-00-761-6872 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-761-6872 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 5310-00-761-6872 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-761-6872 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 5310-00-761-6872 was assigned to the Federal Catalog?

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