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NM304 5-194

View detailed technical data, stock status, and sourcing information for: NM304 5-194

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NM304 5-194
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5331 O-Ring
National Stock Number
5331-01-004-7982
Item Name Code
47946
Assigment Date
06/15/1975 (51 years ago)

164 maximum elongation percentage, 0.297 inches minimum and 0.319 inches maximum outside diameter, -65.0 fahrenheit and 225.0 fahrenheit temp rating, 0.037 inches minimum and 0.043 inches maximum cross-sectional height, 0.223 inches minimum and 0.233 inches maximum center hole diameter

Product Characteristics

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

Outside Diameter
0.297 inches minimum and 0.319 inches maximum
Temp Rating
-65.0 fahrenheit and 225.0 fahrenheit
Cross-Sectional Height
0.037 inches minimum and 0.043 inches maximum
Center Hole Diameter
0.223 inches minimum and 0.233 inches maximum
Elongation Percentage
164 maximum
Hardness Rating
75.0 shore durometer a nominal
Material
rubber butadiene-acrylonitrile class nbr

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
080-49800-78 O-Ring
5-194N304-75 O-Ring
927C529P2 O-Ring
HS4878-1 O-Ring
NM304 5-194 O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-004-7982?
The FSCG of the NSN 5331-01-004-7982 is 5331
Does the NSN 5331-01-004-7982 have a Schedule B code assigned?
Yes, the Schedule B code is 4016930000
Does NSN 5331-01-004-7982 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 5331-01-004-7982 contain precious materials?
Precious metal content is unknown
Does NSN 5331-01-004-7982 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 5331-01-004-7982 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Sun, Jun 15, 1975

Professional Distribution

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Surplus 163
New Material 368
Total 531
Availability of this item was last updated on: 07/22/2026 03:07 PM EDT. Stock levels and pricing are subject to change.

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