DF-21

View detailed technical data, stock status, and sourcing information for: DF-21

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DF-21
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5331 O-Ring
National Stock Number
5331-01-024-4842
Item Name Code
47946
Assigment Date
07/12/1976 (50 years ago)

0.294 inches minimum and 0.304 inches maximum center hole diameter, 0.100 inches minimum and 0.106 inches maximum cross-sectional height

Product Characteristics

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

Cross-Sectional Height
0.100 inches minimum and 0.106 inches maximum
Center Hole Diameter
0.294 inches minimum and 0.304 inches maximum

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5330-01-063-4181 No Name Available 05/01/1994

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
ARP568-109 O-Ring
DF-21 O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-024-4842?
The FSCG of the NSN 5331-01-024-4842 is 5331
Does NSN 5331-01-024-4842 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 5331-01-024-4842 contain precious materials?
Precious metal content is unknown
Does NSN 5331-01-024-4842 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 5331-01-024-4842 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Mon, Jul 12, 1976

Professional Distribution

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