The O-Ring, cataloged under National Stock Number 5331-00-290-8783, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Optical Technology Devices Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-290-8783 |
| Primary Part Number | 81426 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Optical Technology Devices Inc |
| Status | ACTIVE |
| Center Hole Diameter | 5.794 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.103 INCHES NOMINAL IN |
| Hardness Rating | 68.0 SHORE DUROMETER A NOMINAL |
| Material | RUBBER SYNTHETIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5331-00-290-8783 is a O-Ring, manufactured by Optical Technology Devices Inc, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-290-8783 has 2 cross-referenced part numbers: 81426 (Optical Technology Devices Inc), 81424 (Optical Technology Devices Inc).
There are 3 known substitutes for 5331-00-290-8783: 5310-00-933-8118, 5940-00-983-6144, 3110-01-602-8444. Verify interchangeability with system specifications before substitution.
Key specifications for 81426: Center Hole Diameter: 5.794 INCHES NOMINAL IN; Cross-Sectional Height: 0.103 INCHES NOMINAL IN; Hardness Rating: 68.0 SHORE DUROMETER A NOMINAL; Material: RUBBER SYNTHETIC. 4 total characteristics are documented in the Federal Logistics Information System.