The O-Ring, cataloged under National Stock Number 5331-01-007-1600, 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 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-007-1600 |
| 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 |
| Outside Diameter | 2.068 INCHES NOMINAL IN |
| Material | RUBBER FLUOROSILICONE CLASS FQ |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 1.847 INCHES MINIMUM AND 1.877 INCHES MAXIMUM 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 |
| M25988/1-134 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 2-134L677-70 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| MIL-R-25988/1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M25988-1-134ES | Eriks B.v. (NLD) |
| 10163354 | Nimikkeistokeskus Ncb Finland (FIN) |
| 5331PL0658289 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
NSN 5331-01-007-1600 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 5331-01-007-1600 has 7 cross-referenced part numbers: MIL-DTL-25988/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M25988/1-134 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2-134L677-70 (Parker-Hannifin Corp Div O-Ring Division), MIL-R-25988/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M25988-1-134ES (Eriks B.v.) and 2 more.
There is 1 known substitute for 5331-01-007-1600: 3120-00-489-4285. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-DTL-25988/1: Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Outside Diameter: 2.068 INCHES NOMINAL IN; Material: RUBBER FLUOROSILICONE CLASS FQ; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.