The O-Ring, cataloged under National Stock Number 5331-00-531-2261, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Valcor Engineering Corporation. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-531-2261 |
| Primary Part Number | 203289 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Valcor Engineering Corporation |
| Status | CANCELLED |
| Temp Rating | -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.062 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 203289 | Kidde-Fenwal, Llc (USA) |
| 1820-57400-90 | Strohmeyer, Julie a. Dba Julie a. Strohmeyer (USA) |
| MILP5516CLASSA | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 546924 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| 8526597 | Us Army Aviation and Missile Command (USA) |
| 203289 PRIMARY | Valcor Engineering Corporation (USA) |
NSN 5331-00-531-2261 is a O-Ring, manufactured by Valcor Engineering Corporation, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-531-2261 has 6 cross-referenced part numbers: 203289 (Kidde-Fenwal, Llc), 1820-57400-90 (Strohmeyer, Julie a. Dba Julie a. Strohmeyer), MILP5516CLASSA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 546924 (Army Weapons Command Attn Amswe-Ree-S), 8526597 (Us Army Aviation and Missile Command) and 1 more.
There are 10 known substitutes for 5331-00-531-2261: 5330-00-123-5665, 5331-00-171-9916, 3110-00-186-1118 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 203289: Temp Rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.062 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-531-2261 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.