The O-Ring, cataloged under National Stock Number 5331-01-720-7142, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Brennan Industries. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-720-7142 |
| Primary Part Number | 4001-08 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Brennan Industries |
| Status | ACTIVE |
| Cross-Sectional Diameter | 0.087 INCHES NOMINAL IN |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Center Hole Diameter | 0.644 INCHES NOMINAL IN |
| Material | FLUOROCARBON RUBBER |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4001-08 PRIMARY | Brennan Industries (USA) |
NSN 5331-01-720-7142 is a O-Ring, manufactured by Brennan Industries, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-720-7142 has 1 cross-referenced part number: 4001-08 (Brennan Industries).
There are 5 known substitutes for 5331-01-720-7142: 5306-00-144-3710, 2805-00-358-2321, 6515-01-328-8464 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4001-08: Cross-Sectional Diameter: 0.087 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: O-RING; Outside Diameter: 0.500 INCHES NOMINAL IN; End Item Identification: EXCHANGER, HEAT. 6 total characteristics are documented in the Federal Logistics Information System.