The O-Ring, cataloged under National Stock Number 5331-00-839-4940, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-839-4940 |
| Primary Part Number | BACP11L264 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Elongation Percentage | 160 MAXIMUM |
| Center Hole Diameter | 7.454 INCHES MINIMUM AND 7.514 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Material | PLASTIC TETRAFLUOROETHYLENE |
| Temp Rating | -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Outside Diameter | 7.709 INCHES MINIMUM AND 7.815 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BACP11L264 PRIMARY | The Boeing Company Div Defense (USA) |
| 2-264 | Saint-Gobain Performance Plastics Corporation Div Engineered Polymers (USA) |
| N0756 2-264 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-264N756-75 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| PRP2118-264 | Parco Mfg Co |
| BACP11L264 | Dodge-Wasmund Manufacturing Inc (USA) |
| ARP568-264 | Furon Co Ohio Div (USA) |
NSN 5331-00-839-4940 is a O-Ring, manufactured by The Boeing Company Div Defense, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-839-4940 has 7 cross-referenced part numbers: BACP11L264 (The Boeing Company Div Defense), 2-264 (Saint-Gobain Performance Plastics Corporation Div Engineered Polymers), N0756 2-264 (Parker-Hannifin Corp Div O-Ring Division), 2-264N756-75 (Parker-Hannifin Corp Div O-Ring Division), PRP2118-264 (Parco Mfg Co) and 2 more.
There are 11 known substitutes for 5331-00-839-4940: 5930-00-091-3276, 2990-00-135-4435, 2930-00-288-6441 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for BACP11L264: Elongation Percentage: 160 MAXIMUM; Center Hole Diameter: 7.454 INCHES MINIMUM AND 7.514 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL. 7 total characteristics are documented in the Federal Logistics Information System.