The O-Ring, cataloged under National Stock Number 5331-00-146-2803, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Insinger Machine Co. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-146-2803 |
| Primary Part Number | D578 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Insinger Machine Co |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.983 INCHES MINIMUM AND 0.995 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| D578 PRIMARY | Insinger Machine Co (USA) |
NSN 5331-00-146-2803 is a O-Ring, manufactured by Insinger Machine Co, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-146-2803 has 1 cross-referenced part number: D578 (Insinger Machine Co).
There are 3 known substitutes for 5331-00-146-2803: 5930-00-300-0489, 5330-00-352-5880, 7025-01-553-2857. Verify interchangeability with system specifications before substitution.
Key specifications for D578: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 0.983 INCHES MINIMUM AND 0.995 INCHES MAXIMUM IN. 2 total characteristics are documented in the Federal Logistics Information System.