The O-Ring, cataloged under National Stock Number 5331-00-938-3833, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. 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 | 5331-00-938-3833 |
| Primary Part Number | 21C1540-104 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Cross-Sectional Height | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Center Hole Diameter | 8.445 INCHES MINIMUM AND 8.505 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 |
|---|---|
| 21C1540-104 PRIMARY | General Electric Company (USA) |
NSN 5331-00-938-3833 is a O-Ring, manufactured by General Electric Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-938-3833 has 1 manufacturer part number on file: 21C1540-104 (General Electric Company).
Key specifications for 21C1540-104: Cross-Sectional Height: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN; Center Hole Diameter: 8.445 INCHES MINIMUM AND 8.505 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.