The O-Ring, cataloged under National Stock Number 5331-01-587-1914, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-587-1914 |
| Primary Part Number | 428-02 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Material Document and Classification | MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 1.734 INCHES NOMINAL IN |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Cross-Sectional Height | 0.139 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 428-02 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40402-4 PC 43 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
NSN 5331-01-587-1914 is a O-Ring, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-587-1914 has 2 cross-referenced part numbers: 428-02 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40402-4 PC 43 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
There are 6 known substitutes for 5331-01-587-1914: 1315-00-028-4735, 5950-00-650-8124, 5360-00-807-6413 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 428-02: Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Material Document and Classification: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE; Center Hole Diameter: 1.734 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.