The O-Ring, cataloged under National Stock Number 5331-01-541-3699, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Amphenol Corp Div Amphenol Aerospace Operations. Government technical data includes 6 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 | 5331-01-541-3699 |
| Primary Part Number | 9464K78 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Amphenol Corp Div Amphenol Aerospace Operations |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 1.254 INCHES NOMINAL IN |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Color | BLACK |
| Center Hole Diameter | 1.114 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 9464K78 PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
NSN 5331-01-541-3699 is a O-Ring, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-541-3699 has 1 manufacturer part number on file: 9464K78 (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for 9464K78: Temp Rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF; Cross-Sectional Height: 1.254 INCHES NOMINAL IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Color: BLACK. 6 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.