The O-Ring, cataloged under National Stock Number 5331-00-498-5806, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-498-5806 |
| Primary Part Number | 18146-152 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | CANCELLED |
| Center Hole Diameter | 3.213 INCHES MINIMUM AND 3.261 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Outside Diameter | 3.443 INCHES NOMINAL IN |
| Material | RUBBER FLUOROSILICONE CLASS FQ |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 125 MAXIMUM |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 18146-152 | Triumph Engine Control Systems Llc (USA) |
| 376722 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 92445-52 | Eaton Corp Dba Eaton Aerospace Jackson (USA) |
| 127921 | Parker Hannifin Corporation Div Aerospace Group Headquarters (USA) |
| MIL-DTL-25988/1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M25988/1-152 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-DTL-25988C | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MILR25988 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5331-00-498-5806 is a O-Ring, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-498-5806 has 8 cross-referenced part numbers: 18146-152 (Triumph Engine Control Systems Llc), 376722 (Eaton Aerospace, Llc Dba Jackson South), 92445-52 (Eaton Corp Dba Eaton Aerospace Jackson), 127921 (Parker Hannifin Corporation Div Aerospace Group Headquarters), MIL-DTL-25988/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.
There are 6 known substitutes for 5331-00-498-5806: 5360-00-619-0285, 5961-00-735-1889, 5315-01-227-8747 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 18146-152: Center Hole Diameter: 3.213 INCHES MINIMUM AND 3.261 INCHES MAXIMUM IN; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Outside Diameter: 3.443 INCHES NOMINAL IN; Material: RUBBER FLUOROSILICONE CLASS FQ. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-498-5806 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.