The O-Ring, cataloged under National Stock Number 5331-01-016-7043, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-016-7043 |
| Primary Part Number | 10-90354-11 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Amphenol Corp Div Amphenol Aerospace Operations |
| Status | ACTIVE |
| Temp Rating | -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.066 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 0.293 INCHES MINIMUM AND 0.305 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 |
|---|---|
| 10-90354-11 PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| 10-90354-11 | 5/9 Secondary reference Allied-Signal Inc Test Systems Div |
| 10-90354-11 | 5/9 Secondary reference Unison Industries Llc |
| AMS3304-011ES | 5/9 Secondary reference Eriks B.v. |
NSN 5331-01-016-7043 is a O-Ring, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-016-7043 has 1 manufacturer part number on file: 10-90354-11 (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for 10-90354-11: Temp Rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.066 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Elongation Percentage: 125 MAXIMUM. 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.