The O-Ring, cataloged under National Stock Number 5331-01-008-6816, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-008-6816 |
| Primary Part Number | 7052637-06 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 | 1.465 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7052637-06 | Naval Sea Systems Command (USA) |
| 3-20N219-7 | Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA) |
| ASTMD2000 | American Society for Testing and Materials Dba Astm International (USA) |
| AS568-920 | American Society for Testing and Materials Dba Astm International (USA) |
| 3-20 N674-7 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 7052637-06 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 3-920N674-70 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 7052637-06 | Parker Brownsville Servicio S.a. De C.v. (MEX) |
NSN 5331-01-008-6816 is a O-Ring, manufactured by Naval Sea Systems Command, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-008-6816 has 8 cross-referenced part numbers: 7052637-06 (Naval Sea Systems Command), 3-20N219-7 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), ASTMD2000 (American Society for Testing and Materials Dba Astm International), AS568-920 (American Society for Testing and Materials Dba Astm International), 3-20 N674-7 (Parker-Hannifin Corp Div O-Ring Division) and 3 more.
There are 4 known substitutes for 5331-01-008-6816: 5331-00-165-1977, 5331-00-470-6005, 5331-01-229-2238 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7052637-06: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Temp Rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Elongation Percentage: 331 MAXIMUM; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL. 6 total characteristics are documented in the Federal Logistics Information System.