PA4921ADX

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-839-8675

Item Name Code

13432

Assigment Date

01/01/1963 (63 years ago)

A rigid metallic item, generally circular. It may be formed of segmented arcs. It is designed to prevent leakage of air in an engine, gas turbine, aircraft. It may be of various cross-sectional shapes. It may have mounting facilities. It may act as a spacer but its primary function is as an air seal.

1.000 inches nominal overall diameter, friction design type, 0.375 inches nominal tube outside diameter for which designed, 0.375 inches nominal inside diameter length, w/s:helicopter, carrier based asw, sh-60f; helicopter, uscg search and rescue, hh-60j; aircraft, c-2a (reprocured); helicopter, advance attack, ah-1w; helicopter, search and rescue, hh-60h; aircraft, viking s-3b; aircraft, tomcat f-14; helicopter, mh-53e; aircraft, hawkeye e-2c 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.

Tube Outside Diameter For Which Designed: 0.375 inches nominal
Overall Diameter: 1.000 inches nominal
End Item Identification: w/s:helicopter, carrier based asw, sh-60f; helicopter, uscg search and rescue, hh-60j; aircraft, c-2a (reprocured); helicopter, advance attack, ah-1w; helicopter, search and rescue, hh-60h; aircraft, viking s-3b; aircraft, tomcat f-14; helicopter, mh-53e; aircraft, hawkeye e-2c
Design Type: friction
Inside Diameter Length: 0.375 inches nominal
Round Cap Outside Surface Condition: knurled
Material: aluminum
Surface Treatment: anodize

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
ADCH6	Dust and Moisture Protective Cap
PA4921	Dust and Moisture Protective Cap
PA4921ADX	Dust and Moisture Protective Cap

FAQs

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

What is the FSCG of the NSN 5340-00-839-8675?

The FSCG of the NSN 5340-00-839-8675 is 5340

Does the NSN 5340-00-839-8675 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5340-00-839-8675 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 5340-00-839-8675 contain precious materials?

Precious metal content is unknown

Does NSN 5340-00-839-8675 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 5340-00-839-8675 was assigned to the Federal Catalog?

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