The O-Ring, cataloged under National Stock Number 5331-00-763-0181, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div O-Ring Division. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-763-0181 |
| Primary Part Number | 144-8307 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker Hannifin Corporation Div O-Ring Division |
| Status | CANCELLED |
| Outside Diameter | 2.667 INCHES MINIMUM AND 2.719 INCHES MAXIMUM IN |
| Temp Rating | -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Elongation Percentage | 331 MAXIMUM |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 2.477 INCHES MINIMUM AND 2.497 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 144-8307 PRIMARY | Parker Hannifin Corporation Div O-Ring Division (USA) |
| A144SR310-70 PRIMARY | Stillman Seal Corporation Div Stillman Seal Corperation (USA) |
| 2-144 N674-70 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| ARP568-144N398-7 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| ASC1473025 | Asc Pty Ltd (AUS) |
| 2-144 N674-70 | Parker Hannifin Gmbh O-Ring Division (DEU) |
| PLG32-2PC40 | Reynolds Equipment Co (USA) |
| 2-144N398-7 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 4400172-1440 PRIMARY | Marotta Controls Inc (USA) |
NSN 5331-00-763-0181 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-763-0181 has 9 cross-referenced part numbers: 144-8307 (Parker Hannifin Corporation Div O-Ring Division), A144SR310-70 (Stillman Seal Corporation Div Stillman Seal Corperation), 2-144 N674-70 (Parker-Hannifin Corp Div O-Ring Division), ARP568-144N398-7 (Parker-Hannifin Corp Div O-Ring Division), ASC1473025 (Asc Pty Ltd) and 4 more.
There is 1 known substitute for 5331-00-763-0181: 5331-00-291-3083. Verify interchangeability with system specifications before substitution.
Key specifications for 144-8307: Outside Diameter: 2.667 INCHES MINIMUM AND 2.719 INCHES MAXIMUM IN; Temp Rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Elongation Percentage: 331 MAXIMUM; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-763-0181 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.