The O-Ring, cataloged under National Stock Number 5331-00-250-0223, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 30 commercial cross-references from 21 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-250-0223 |
| Primary Part Number | 8A9028 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | CANCELLED |
| Temp Rating | -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Elongation Percentage | 200 MAXIMUM |
| Center Hole Diameter | 0.790 INCHES MINIMUM AND 0.802 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 10384022 | Nimikkeistokeskus Ncb Finland (FIN) |
| SAE-AS29513-211 | Sae International Dba Sae International (USA) |
| MS29513-211 | Sae International Dba Sae International (USA) |
| AS29513-211 | Society of Automotive Engineers Inc (USA) |
| MS29513-211 | Le Joint Francais (FRA) |
| PRP568-211-457-60 | Parco, Llc (USA) |
| 1793-211 | Parker-Hannifin Corporation Div O-Ring Division (USA) |
| 8A9028 PRIMARY | Triumph Engine Control Systems Llc (USA) |
| 10V60-141-211 | Houghton International Inc. (USA) |
| S2N-211 | Eaton Aviation Corporation (USA) |
| AS29513-211 | Sae International Dba Sae International (USA) |
| MS29513-211 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 7866-211 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 5331PL0197008 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| SR-822A-60-211 | Stillman Seal Corporation Div Stillman Seal Corperation (USA) |
| PX1775-210 | Acushnet Rubber Company, Inc. Dba Precix (USA) |
| RT253-65-211 | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA) |
| AS29513 | Sae International Dba Sae International (USA) |
| MILP5315 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 8A9028 | Colt Industries Inc Holley Automotive Div (USA) |
NSN 5331-00-250-0223 is a O-Ring, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-250-0223 has 30 cross-referenced part numbers: 10384022 (Nimikkeistokeskus Ncb Finland), SAE-AS29513-211 (Sae International Dba Sae International), MS29513-211 (Sae International Dba Sae International), AS29513-211 (Society of Automotive Engineers Inc), MS29513-211 (Le Joint Francais) and 25 more.
There are 12 known substitutes for 5331-00-250-0223: 5331-00-003-9157, 5331-00-248-3850, 5331-00-291-3268 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8A9028: Temp Rating: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); Elongation Percentage: 200 MAXIMUM. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-250-0223 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.