The O-Ring, cataloged under National Stock Number 5331-01-046-0620, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-046-0620 |
| Primary Part Number | 639AS1458-003 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Temp Rating | -60.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| Outside Diameter | 0.166 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Material | RUBBER POLYISOPRENE NATURAL CLASS NR |
| 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 |
|---|---|
| 639AS1458-003 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 588.10-100020-003 | Diehl Defence Gmbh & Co. Kg (DEU) |
| Reference | Meaning |
|---|---|
| 2-003 E652-90 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| 639AS1458-3 | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 2-003E652-90 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5331-01-046-0620 is a O-Ring, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-046-0620 has 2 manufacturer part numbers on file: 639AS1458-003 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 588.10-100020-003 (Diehl Defence Gmbh & Co. Kg).
Key specifications for 639AS1458-003: Temp Rating: -60.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN; Outside Diameter: 0.166 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL. 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.