MS51831-108

View detailed technical data, stock status, and sourcing information for: MS51831-108
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-185-1879

Item Name Code

11444

Assigment Date

03/12/1971 (55 years ago)

A headed, cylindrically-shaped item having a solid shank for fitting into corresponding holes, used for aligning or fastening. It may have welding projections. It also may contain holes drilled perpendicular to axial centerline. Excludes:pin, eccentric.

right-hand thread direction, 0.775 inches nominal thread length, 0.875 inches nominal length, 3b thread class, multiple launch rocket system (mlrs); armored multi-purpose vehicle (ampv) end item identification

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
Thread Length: 0.775 inches nominal
Length: 0.875 inches nominal
End Item Identification: multiple launch rocket system (mlrs); armored multi-purpose vehicle (ampv)
Insert Size: 7/8 in.-14 unf,class 2a
Internal Thread Relief Depth: 0.100 inches nominal
Full Internal Thread Length: 0.775 inches nominal
Thread Quantity Per Inch: 11
Nominal Thread Size: 0.625 inches
Material: steel comp 302 overall
Material Document And Classification: fed std 66 fed std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Style Designator: keylock
Thread Series Designator: unjc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5340-01-032-3995	No Name Available	07/01/1984

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
5340001851879	Screw Thread Insert
CL-5811-SKS	Screw Thread Insert
KH9905-1011	Screw Thread Insert
KNH1011	Screw Thread Insert
KNH1011J	Screw Thread Insert
MS51831-108	Screw Thread Insert
NAS1395C10	Screw Thread Insert

FAQs

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

What is the FSCG of the NSN 5325-00-185-1879?

The FSCG of the NSN 5325-00-185-1879 is 5325

Does the NSN 5325-00-185-1879 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-185-1879 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 5325-00-185-1879 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-00-185-1879 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 5325-00-185-1879 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Mar 12, 1971