28-12-20

View detailed technical data, stock status, and sourcing information for: 28-12-20
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5975 Electrical Hardware and Supplies

National Stock Number

5975-00-548-9557

Item Name Code

19773

Assigment Date

01/01/1963 (63 years ago)

An externally threaded item having a hexagonal shoulder with a smooth bore. It may be used to connect two junction boxes or to accommodate thin wall conduit or tubing by slip fit to a junction box or conduit outlet. It may or may not be furnished with a locknut. For items externally and internally threaded, see adapter, electrical conduit. See also bushing, electrical conductor.

aluminum alloy material, rigid metallic thinwall single end conduit type accommodated, locknut furnished items, 1.250 inches single end item accommodated trade size, 2.312 inches nominal distance across points of hexagonal shoulder

Product Characteristics

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

Furnished Items: locknut
Conduit Type Accommodated: rigid metallic thinwall single end
Item Accommodated Trade Size: 1.250 inches single end
Distance Across Points Of Hexagonal Shoulder: 2.312 inches nominal
Material: aluminum alloy
Surface Treatment: cadmium
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response
Style Designator: standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5945-00-212-7816	No Name Available	01/01/1963
5975-00-334-0329	No Name Available	01/01/1963
5975-00-513-2305	No Name Available	01/01/1960

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
213019-10	Conduit Chase Nipple
28-12-20	Conduit Chase Nipple
28-1250	Conduit Chase Nipple
900-90-20	Conduit Chase Nipple
AN3064-20	Conduit Chase Nipple
GF803P20	Conduit Chase Nipple

FAQs

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

What is the FSCG of the NSN 5975-00-548-9557?

The FSCG of the NSN 5975-00-548-9557 is 5975

Does the NSN 5975-00-548-9557 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5975-00-548-9557 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 5975-00-548-9557 contain precious materials?

Item does not contain precious metal.

Does NSN 5975-00-548-9557 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 5975-00-548-9557 was assigned to the Federal Catalog?

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