The O-Ring, cataloged under National Stock Number 5331-01-497-3444, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Rolls-Royce Marine North America Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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 | 5331-01-497-3444 |
| Primary Part Number | UFR-23557 ITEM 34 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Rolls-Royce Marine North America Inc |
| Status | ACTIVE |
| Material | RUBBER SYNTHETIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| UFR-23557 ITEM 34 | Rolls-Royce Marine North America Inc (USA) |
| 200-257 | Rolls-Royce Marine North America Inc (USA) |
| 23557 ITEM 34 | Ulstein Usa Inc (USA) |
| 200-257 | Ulstein Usa Inc (USA) |
NSN 5331-01-497-3444 is a O-Ring, manufactured by Rolls-Royce Marine North America Inc, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-497-3444 has 4 cross-referenced part numbers: UFR-23557 ITEM 34 (Rolls-Royce Marine North America Inc), 200-257 (Rolls-Royce Marine North America Inc), 23557 ITEM 34 (Ulstein Usa Inc), 200-257 (Ulstein Usa Inc).
There are 4 known substitutes for 5331-01-497-3444: 2520-00-358-8716, 3010-00-725-8019, 4330-01-424-6740 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for UFR-23557 ITEM 34: End Item Identification: CONTROL VALVE ASSEMBLY (0JKF4)23557;PUMP UNIT PE 2-1/2 AND 3 INCH IN; Material: RUBBER SYNTHETIC. 2 total characteristics are documented in the Federal Logistics Information System.