The O-Ring, cataloged under National Stock Number 5331-00-531-3309, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-531-3309 |
| Primary Part Number | MILP18017 |
| 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 |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Center Hole Diameter | 2.844 INCHES MINIMUM AND 2.874 INCHES MAXIMUM IN |
| Elongation Percentage | 160 MAXIMUM |
| Material | RUBBER SYNTHETIC |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Outside Diameter | 3.137 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILP18017 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MS28784-233 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5331-00-531-3309 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 5331-00-531-3309 has 2 cross-referenced part numbers: MILP18017 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS28784-233 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 3 known substitutes for 5331-00-531-3309: 5331-00-292-0570, 5331-00-559-6182, 5331-00-580-5056. Verify interchangeability with system specifications before substitution.
Key specifications for MILP18017: Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Center Hole Diameter: 2.844 INCHES MINIMUM AND 2.874 INCHES MAXIMUM IN; Elongation Percentage: 160 MAXIMUM; Material: RUBBER SYNTHETIC. 6 total characteristics are documented in the Federal Logistics Information System.