The O-Ring, cataloged under National Stock Number 5331-01-220-6148, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Rockford Powertrain Inc Div Powertrain Rockford, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-220-6148 |
| Primary Part Number | 2-21261 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Rockford Powertrain Inc Div Powertrain Rockford, Inc. |
| Status | ACTIVE |
| Center Hole Diameter | 5.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2AT287 | Oshkosh Defense Llc (USA) |
| 2-21261 PRIMARY | Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA) |
| 2-762-596-21261 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 2AT287 | Oshkosh Corp (USA) |
NSN 5331-01-220-6148 is a O-Ring, manufactured by Rockford Powertrain Inc Div Powertrain Rockford, Inc., classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-220-6148 has 4 cross-referenced part numbers: 2AT287 (Oshkosh Defense Llc), 2-21261 (Rockford Powertrain Inc Div Powertrain Rockford, Inc.), 2-762-596-21261 (Zf Industrieantriebe Witten Gmbh), 2AT287 (Oshkosh Corp).
There are 2 known substitutes for 5331-01-220-6148: 6550-01-234-5052, 6515-01-387-6012. Verify interchangeability with system specifications before substitution.
Key specifications for 2-21261: Center Hole Diameter: 5.000 INCHES NOMINAL IN. 1 total characteristics are documented in the Federal Logistics Information System.