44B3721-530A

View detailed technical data, stock status, and sourcing information for: 44B3721-530A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-01-173-3884

Item Name Code

07623

Assigment Date

03/05/1984 (42 years ago)

An item specifically designed to fit over the opening(s) of various items to provide mechanical protection and/or to prevent the entrance of foreign matter during painting, shipping, storage, or the like. It is not designed to retain fluids under pressure during equipment operation. Excludes:cover, electrical connector; hood, sealing, bottle; and stopper, bottle. For items designed to fit into or over the opening(s) of various items, see cap-plug, protective, dust and moisture seal.

1.749 inches minimum and 1.754 inches maximum inside diameter, beveled one outside corner cross-sectional shape style, 0.190 inches minimum and 0.195 inches maximum minor thickness, not casehardened casehardening indicator, 2.307 inches minimum and 2.322 inches maximum outside diameter

Product Characteristics

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

Cross-Sectional Shape Style: beveled one outside corner
Inside Diameter: 1.749 inches minimum and 1.754 inches maximum
Casehardening Indicator: not casehardened
Outside Diameter: 2.307 inches minimum and 2.322 inches maximum
Minor Thickness: 0.190 inches minimum and 0.195 inches maximum
Major Thickness: 0.343 inches minimum and 0.353 inches maximum
End Style: 90 degree parallel
Ring Style: straight gap
Usage Design: internal
Material Hardness Rating: 40.0 rockwell c minimum and 45.0 rockwell c maximum
Material: steel comp 4140
Material Document And Classification: astm a304, grade 4140 assn std single material response or astm a322, grade 4140 assn std single material response or astm a331, grade 4140 assn std single material response

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5365-01-196-6431	No Name Available	11/01/1986

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
44B3521-530A	Retaining Ring
44B3721-3H PIECE 1C26	Retaining Ring
44B3721-530A	Retaining Ring

FAQs

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

What is the FSCG of the NSN 5325-01-173-3884?

The FSCG of the NSN 5325-01-173-3884 is 5325

Does the NSN 5325-01-173-3884 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-01-173-3884 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 5325-01-173-3884 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-01-173-3884 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 5325-01-173-3884 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Mon, Mar 5, 1984