The O-Ring, cataloged under National Stock Number 5331-01-165-3906, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-165-3906 |
| Primary Part Number | 11442745 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Cross-Sectional Height | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Center Hole Diameter | 17.500 INCHES MINIMUM AND 17.625 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11442745 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 19-04-9163-1401 | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA) |
| Reference | Meaning |
|---|---|
| 19-04-9163-1405 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division |
NSN 5331-01-165-3906 is a O-Ring, manufactured by Us Army Aviation and Missile Command, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-165-3906 has 2 manufacturer part numbers on file: 11442745 (Us Army Aviation and Missile Command), 19-04-9163-1401 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division).
Key specifications for 11442745: Cross-Sectional Height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Center Hole Diameter: 17.500 INCHES MINIMUM AND 17.625 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.