The O-Ring, cataloged under National Stock Number 5331-00-074-2281, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-074-2281 |
| Primary Part Number | 20A11EM246 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Material | RUBBER SYNTHETIC |
| Cross-Sectional Height | 0.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2-246 | Ripley Industries Inc (USA) |
| 20A11EM246 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 20A11EM246 | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| 200114L PC 476 | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 4849B | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| 20A11EM246 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 4849B | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 200114L PC 476 | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
NSN 5331-00-074-2281 is a O-Ring, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-074-2281 has 8 cross-referenced part numbers: 2-246 (Ripley Industries Inc), 20A11EM246 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 20A11EM246 (Siemens Energy, Inc. Dba Dresser-Rand), 200114L PC 476 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 4849B (Siemens Energy, Inc. Dba Dresser-Rand) and 3 more.
There are 12 known substitutes for 5331-00-074-2281: 4730-00-038-7174, 5355-00-160-7108, 2920-00-293-5247 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20A11EM246: Material: RUBBER SYNTHETIC; Cross-Sectional Height: 0.125 INCHES NOMINAL IN. 2 total characteristics are documented in the Federal Logistics Information System.