MS51991-209L

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-01-116-9300

Item Name Code

11444

Assigment Date

08/06/1981 (44 years ago)

An electrical fitting with electrical contacts constructed to be affixed to the end of a cable, conduit, coaxial line, cord, wire (includes printed/etched), printed wiring board, or the like for convenience in joining with another electrical connector or printed wiring board. It is designed to be mounted on a bulkhead, chassis, panel, wall, printed wiring board, or the like. Excludes:lampholder; jack,telephone; jack,tip; insert electrical connector; insert module,electrical connector; connector body (as modified) and socket,plug-in electronic components. See also wiring harness (as modified) and cable assembly (as modified). For items with termination wires of more than four inches in length, see lead assembly,electrical. For items without inserts, see shell,electrical connector.

0.675 inches minimum and 0.705 inches maximum length, 20 thread quantity per inch, 5/8-11 unc,0.5668 in. min,0.5693 in. max pitch dia insert size, individually keyed features provided, 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
Length: 0.675 inches minimum and 0.705 inches maximum
Insert Size: 5/8-11 unc,0.5668 in. min,0.5693 in. max pitch dia
Features Provided: individually keyed
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.4375 inches
Special Features: furnished with lockring
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response overall
Style Designator: serrated
Thread Series Designator: unjf

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
MS51991-209L	Screw Thread Insert
RJ209SM11L	Screw Thread Insert

FAQs

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

What is the FSCG of the NSN 5325-01-116-9300?

The FSCG of the NSN 5325-01-116-9300 is 5325

Does the NSN 5325-01-116-9300 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-01-116-9300 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 5325-01-116-9300 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-01-116-9300 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 5325-01-116-9300 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Aug 6, 1981