The O-Ring, cataloged under National Stock Number 5331-01-344-8264, 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 3 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-344-8264 |
| Primary Part Number | M25988/1-003 |
| 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 |
| Cross-Sectional Height | 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROSILICONE CLASS FQ |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M25988/1-003 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 2-003L1120-70 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| MIL-DTL-25988/1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-R-25988/1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| L1120 2-003 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 10163440 | Nimikkeistokeskus Ncb Finland (FIN) |
NSN 5331-01-344-8264 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 5331-01-344-8264 has 6 cross-referenced part numbers: M25988/1-003 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2-003L1120-70 (Parker-Hannifin Corp Div O-Ring Division), MIL-DTL-25988/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-R-25988/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), L1120 2-003 (Parker-Hannifin Corp Div O-Ring Division) and 1 more.
There is 1 known substitute for 5331-01-344-8264: 5310-00-812-2933. Verify interchangeability with system specifications before substitution.
Key specifications for M25988/1-003: Cross-Sectional Height: 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN; Center Hole Diameter: 0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Material: RUBBER FLUOROSILICONE CLASS FQ. 3 total characteristics are documented in the Federal Logistics Information System.