The O-Ring, cataloged under National Stock Number 5331-00-533-9237, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-533-9237 |
| Primary Part Number | MIL-DTL-25988/1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.793 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN |
| Elongation Percentage | 125 MAXIMUM |
| Outside Diameter | 0.941 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-DTL-25988/1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 2-019L677-70 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-019L608-6 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 5331PL1805037 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| M25988/1-019 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 5331PL0844992 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
NSN 5331-00-533-9237 is a O-Ring, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-533-9237 has 6 cross-referenced part numbers: MIL-DTL-25988/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2-019L677-70 (Parker-Hannifin Corp Div O-Ring Division), 2-019L608-6 (Parker-Hannifin Corp Div O-Ring Division), 5331PL1805037 (Jednolity Indeks Materialowy - Uniform Material Index), M25988/1-019 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.
There are 2 known substitutes for 5331-00-533-9237: 5331-00-480-1846, 5331-01-607-4575. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-DTL-25988/1: Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 0.793 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.