The O-Ring, cataloged under National Stock Number 5331-01-490-2438, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Prestolite Electric Inc. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-490-2438 |
| Primary Part Number | M053225163 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Prestolite Electric Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.10 INCHES NOMINAL IN |
| Outside Diameter | 5.10 INCHES NOMINAL IN |
| Center Hole Diameter | 4.90 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 25163 | Prestolite Electric Inc (USA) |
| 25163 | Prestolite Electric Inc (USA) |
| M053225163 | Prestolite Electric Inc (USA) |
| 2ER851 | Oshkosh Defense Llc (USA) |
| 2ER851 | Oshkosh Corp (USA) |
| M053225163 PRIMARY | Prestolite Electric Inc (USA) |
NSN 5331-01-490-2438 is a O-Ring, manufactured by Prestolite Electric Inc, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-490-2438 has 6 cross-referenced part numbers: 25163 (Prestolite Electric Inc), 25163 (Prestolite Electric Inc), M053225163 (Prestolite Electric Inc), 2ER851 (Oshkosh Defense Llc), 2ER851 (Oshkosh Corp) and 1 more.
There are 4 known substitutes for 5331-01-490-2438: 5950-00-110-0828, 5133-00-228-1356, 5950-00-647-7569 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for M053225163: Cross-Sectional Height: 0.10 INCHES NOMINAL IN; Outside Diameter: 5.10 INCHES NOMINAL IN; End Item Identification: MRAP - M-ATV; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS); Center Hole Diameter: 4.90 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.