The O-Ring, cataloged under National Stock Number 5331-01-312-9919, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Corp Hydraulics Div. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-Ring (FSG 53) |
| Manufacturers | Cessna Aircraft Co Fluid Power Div (CAGE 27007); Eaton Corp Hydraulics Div (CAGE 9G527) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-312-9919 |
| Primary Part Number | 16003-4 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Eaton Corp Hydraulics Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5331-01-312-9919 is a O-Ring, manufactured by Eaton Corp Hydraulics Div, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-312-9919 has 2 cross-referenced part numbers: 16003-4 (Cessna Aircraft Co Fluid Power Div), 16003-4 (Eaton Corp Hydraulics Div).
There are 2 known substitutes for 5331-01-312-9919: 3040-01-009-3814, 3040-01-215-6642. Verify interchangeability with system specifications before substitution.