The O-Ring, cataloged under National Stock Number 5331-01-018-7271, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-018-7271 |
| Primary Part Number | 2083D345 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.087 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.387 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN |
| Material | RUBBER |
| 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 |
|---|---|
| 2083D345 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
NSN 5331-01-018-7271 is a O-Ring, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-018-7271 has 1 manufacturer part number on file: 2083D345 (Curtiss-Wright Controls, Inc. Div Actuation Division).
Key specifications for 2083D345: Cross-Sectional Height: 0.087 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Center Hole Diameter: 0.387 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN; Material: RUBBER. 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.