The O-Ring, cataloged under National Stock Number 5331-00-395-1647, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-395-1647 |
| Primary Part Number | AS568-903-S32 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Federal-Mogul Corp Government Sales Dept |
| Status | ACTIVE |
| Temp Rating | -175.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Outside Diameter | 0.418 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN |
| 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 |
|---|---|
| AS568-903-S32 PRIMARY | Federal-Mogul Corp Government Sales Dept (USA) |
| 3-903-S383-70 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| BACP11K3 | 4 M Co Inc Dba 4 M Co Inc Div Trelleborg Sealing Solutions Us Inc. (USA) |
| Reference | Meaning |
|---|---|
| BACP11K3 | 5/2 Secondary reference U.S. Government activity |
| 3-903-S383-70 | 5/9 Secondary reference U.S. Government activity |
| BACP11K3 | 1/2 Source control — Government-approved source U.S. Government activity |
| BACP11K3 | 5/9 Secondary reference Hutchinson Seal Corporation |
NSN 5331-00-395-1647 is a O-Ring, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-395-1647 has 3 manufacturer part numbers on file: AS568-903-S32 (Federal-Mogul Corp Government Sales Dept), 3-903-S383-70 (Parker-Hannifin Corp Div O-Ring Division), BACP11K3 (4 M Co Inc Dba 4 M Co Inc Div Trelleborg Sealing Solutions Us Inc.).
Key specifications for AS568-903-S32: Temp Rating: -175.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN; Outside Diameter: 0.418 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL. 5 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.