The O-Ring, cataloged under National Stock Number 5331-00-785-1891, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-785-1891 |
| Primary Part Number | 1280551 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material | RUBBER SYNTHETIC |
| Cross-Sectional Height | 1.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5331-00-785-1891 is a O-Ring, manufactured by Naval Sea Systems Command, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-785-1891 has 3 cross-referenced part numbers: 1280551 (Naval Sea Systems Command), 4384 (Benton Harbor Engineering Inc), 1280551 (Naval Ship Systems Command).
There are 6 known substitutes for 5331-00-785-1891: 6130-00-400-8842, 5998-00-830-6989, 5910-00-834-6212 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1280551: Material: RUBBER SYNTHETIC; Cross-Sectional Height: 1.125 INCHES NOMINAL IN. 2 total characteristics are documented in the Federal Logistics Information System.