The O-Ring, cataloged under National Stock Number 5331-01-368-8263, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Amphenol Optimize Manufacturing Co. Div Amphenol Aerospace/matrix. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-368-8263 |
| Primary Part Number | 4200-034-0018 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Amphenol Optimize Manufacturing Co. Div Amphenol Aerospace/matrix |
| Status | ACTIVE |
| Temp Rating | -20.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM |
| Material Document and Classification | MIL-R-82348 TYPE 1 CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.863 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| 4200-034-0018 PRIMARY | Amphenol Optimize Manufacturing Co. Div Amphenol Aerospace/matrix (USA) |
| 4200-034-0018 | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| 5331PL1411670 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5331-01-368-8263 is a O-Ring, manufactured by Amphenol Optimize Manufacturing Co. Div Amphenol Aerospace/matrix, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-368-8263 has 2 manufacturer part numbers on file: 4200-034-0018 (Amphenol Optimize Manufacturing Co. Div Amphenol Aerospace/matrix), 4200-034-0018 (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for 4200-034-0018: Temp Rating: -20.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM; Material Document and Classification: MIL-R-82348 TYPE 1 CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE. 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.