LMM-21

View detailed technical data, stock status, and sourcing information for: LMM-21
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5975 Electrical Hardware and Supplies

National Stock Number

5975-00-556-0412

Item Name Code

09663

Assigment Date

01/01/1963 (63 years ago)

A definite length of cable, radio frequency having one or both ends processed and/or terminated in fittings which provide for connection to other items. Includes multiple cable assemblies in a common jacket or shield. Excludes:items having branches or forks and lead, test. See also cable assembly, radio frequency, branched.

locknut furnished items, gland nut w/internal thread first end end type, flexible metallic first end conduit type accommodated, external thread second end end type, watertight-nema type 4 hazardous locations/environmental protection

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hazardous Locations/Environmental Protection: watertight-nema type 4
Furnished Items: locknut
Conduit Type Accommodated: flexible metallic first end
End Type: external thread second end
End Type: gland nut w/internal thread first end
Item Accommodated Trade Size: 0.750 inches first end
Material: iron malleable or steel
Surface Treatment: cadmium or zinc
Style Designator: straight
Nondefinitive Spec/Std Data: 3 class and i style and i type

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5975-00-064-4771	No Name Available	09/01/1981
5975-00-836-1069	No Name Available	01/17/1966
5975-00-844-8852	No Name Available	01/01/1960
5975-00-926-0596	No Name Available	12/01/1982
5975-01-037-6095	No Name Available	03/01/1995
3655-01-155-0478	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
11-75	Electrical Box Connector
142C905H02	Electrical Box Connector
431LT	Electrical Box Connector
4Q75	Electrical Box Connector
74347A	Electrical Box Connector
82-20-86	Electrical Box Connector
AA50552-00I-3-I-1	Electrical Box Connector
AA50553-001-3-I-1	Electrical Box Connector
E-21-S	Electrical Box Connector
LMM-21	Electrical Box Connector
LT-75	Electrical Box Connector

FAQs

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

What is the FSCG of the NSN 5975-00-556-0412?

The FSCG of the NSN 5975-00-556-0412 is 5975

Does the NSN 5975-00-556-0412 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5975-00-556-0412 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 5975-00-556-0412 contain precious materials?

Precious metal content is unknown

Does NSN 5975-00-556-0412 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5975-00-556-0412 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963