The O-Ring, cataloged under National Stock Number 5331-01-389-0247, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-389-0247 |
| Primary Part Number | 5-157S383-70 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Temp Rating | -40.0 CELSIUS AND 225.0 CELSIUS DEGC |
| Cross-Sectional Height | 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | ZZ-R-765, CLASS 1B, GRADE 70 FED SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 1.335 INCHES MINIMUM AND 1.341 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 |
|---|---|
| 5-157S383-70 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 7547437P1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5331-01-389-0247 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-389-0247 has 1 manufacturer part number on file: 5-157S383-70 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for 5-157S383-70: Temp Rating: -40.0 CELSIUS AND 225.0 CELSIUS DEGC; Cross-Sectional Height: 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: ZZ-R-765, CLASS 1B, GRADE 70 FED 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.