5331-01-106-2978

Find complete technical information, availability, and procurement data for: 5331-01-106-2978
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-106-2978

Item Name Code

47946

Assigment Date

01/15/1981 (45 years ago)

An item designed to fit over a packing gland by mating with a surface of a second part which together will retain into a narrow groove or confined space the packing, preformed or o-ring, or an item designed to fit over a rod or shaft, to mate with a stuffing box to confine packing material. It may function as a static or dynamic seal retainer with the packing located on, around, or in the centerline direction of the rod or shaft axis. It may have holes or joints for mounting, be threaded or unthreaded. See also packing nut and packing nut, stuffing tube.

1.594 inches minimum and 1.624 inches maximum center hole diameter, 125 maximum elongation percentage, 1.887 inches nominal peripheral diameter, -20.0 fahrenheit and 400.0 fahrenheit temp rating, 0.135 inches minimum and 0.143 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.

Temp Rating: -20.0 fahrenheit and 400.0 fahrenheit
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 1.594 inches minimum and 1.624 inches maximum
Peripheral Diameter: 1.887 inches nominal
Elongation Percentage: 125 maximum
Hardness Rating: 90.0 shore durometer a nominal
Criticality Code Justification: zzzw
Material: rubber fluorocarbon class fpm
Departure From Cited Document: cleaning, packaging, and marking iaw mil-std-1330d

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-027-3594	No Name Available	07/01/1992

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
516-6600807-F13 6	O-Ring
AS3581-223	O-Ring
M83248-2-223	O-Ring
M83248-2-223CP	O-Ring
PL7367 ITEM 27	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-106-2978?

The FSCG of the NSN 5331-01-106-2978 is 5331

Does NSN 5331-01-106-2978 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 5331-01-106-2978 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-01-106-2978 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 5331-01-106-2978 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Thu, Jan 15, 1981