The O-Ring, cataloged under National Stock Number 5331-00-451-9571, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 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 | 5331-00-451-9571 |
| Primary Part Number | N0674 2-109 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Temp Rating | -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Center Hole Diameter | 0.294 INCHES MINIMUM AND 0.304 INCHES MAXIMUM IN |
| Outside Diameter | 0.494 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN |
| Elongation Percentage | 331 MAXIMUM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| N0674 2-109 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-109N-7 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| AS568-109 | Society of Automotive Engineers Inc (USA) |
| AS568-109 | Sae International Dba Sae International (USA) |
| N674-70 2-109 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 16-312 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 2-109 N674-70 | Parker Hannifin Gmbh O-Ring Division (DEU) |
| JB259REVBPC109 | Ernst Flow Industries (USA) |
| 2-109 N674-70 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| A-2095 | Zf Industrieantriebe Witten Gmbh (DEU) |
NSN 5331-00-451-9571 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-451-9571 has 10 cross-referenced part numbers: N0674 2-109 (Parker-Hannifin Corp Div O-Ring Division), 2-109N-7 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), AS568-109 (Society of Automotive Engineers Inc), AS568-109 (Sae International Dba Sae International), N674-70 2-109 (Parker-Hannifin Corp Div O-Ring Division) and 5 more.
There are 12 known substitutes for 5331-00-451-9571: 6150-00-173-8718, 6105-00-484-1420, 5940-00-633-5519 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for N0674 2-109: Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Temp Rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 7 total characteristics are documented in the Federal Logistics Information System.