MS51983-5

View detailed technical data, stock status, and sourcing information for: MS51983-5
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-045-3708

Item Name Code

04892

Assigment Date

08/01/1977 (49 years ago)

A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.

left-hand thread direction, 2b thread class, 0.870 inches minimum and 0.890 inches maximum nut height, single ball seat, hexagon nut style, 0.875 inches nominal ball seat radius

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: left-hand
Nut Style: single ball seat, hexagon
Ball Seat Radius: 0.875 inches nominal
Nut Height: 0.870 inches minimum and 0.890 inches maximum
Width Across Flats: 1.485 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 16
Nominal Thread Size: 0.750 inches
Material: steel overall
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 2 fed spec 1st treatment response or qq-z-325 ty 2 cl 2 fed spec 2nd 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
MS51983-5	Nut,plain,single Ball Seat,hexag

FAQs

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

What is the FSCG of the NSN 5310-01-045-3708?

The FSCG of the NSN 5310-01-045-3708 is 5310

Does the NSN 5310-01-045-3708 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-045-3708 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 5310-01-045-3708 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-045-3708 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 5310-01-045-3708 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Mon, Aug 1, 1977