The O-Ring, cataloged under National Stock Number 5331-00-290-8376, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-290-8376 |
| Primary Part Number | 4975 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | CANCELLED |
| Center Hole Diameter | 0.416 INCHES MINIMUM AND 0.426 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.155 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4975 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 5331-00-290-8376 is a O-Ring, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-290-8376 has 1 cross-referenced part number: 4975 (Triumph Engine Control Systems Llc).
There are 11 known substitutes for 5331-00-290-8376: 4520-00-248-0813, 5120-00-432-2196, 5330-00-779-6884 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4975: Center Hole Diameter: 0.416 INCHES MINIMUM AND 0.426 INCHES MAXIMUM IN; Cross-Sectional Height: 0.155 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-290-8376 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.