The O-Ring, cataloged under National Stock Number 5331-01-640-9694, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Exlar Corporation. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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 | 5331-01-640-9694 |
| Primary Part Number | 44444 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Exlar Corporation |
| Status | ACTIVE |
| Cross-Sectional Height | 0.139 INCHES NOMINAL IN |
| Material | RUBBER NATURAL |
| Center Hole Diameter | 7.484 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40210 ITEM NO 230 | Exlar Corporation (USA) |
| 44444 PRIMARY | Exlar Corporation (USA) |
NSN 5331-01-640-9694 is a O-Ring, manufactured by Exlar Corporation, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-640-9694 has 2 cross-referenced part numbers: 40210 ITEM NO 230 (Exlar Corporation), 44444 (Exlar Corporation).
There are 6 known substitutes for 5331-01-640-9694: 5340-00-310-4424, 5307-00-534-0303, 9540-00-554-9996 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 44444: Cross-Sectional Height: 0.139 INCHES NOMINAL IN; Material: RUBBER NATURAL; Center Hole Diameter: 7.484 INCHES NOMINAL IN. 3 total characteristics are documented in the Federal Logistics Information System.