The O-Ring, cataloged under National Stock Number 5331-01-360-7175, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Frontgrade Technologies Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-360-7175 |
| Primary Part Number | GSK112-1-S |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Temp Rating | -80.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF |
| 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 FED SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 1.545 INCHES MINIMUM AND 1.555 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 |
|---|---|
| GSK112-1-S PRIMARY | Frontgrade Technologies Inc. (USA) |
| SP01007558A | Safran Data Systems (FRA) |
| Reference | Meaning |
|---|---|
| GSK-112-1 | 5/9 Secondary reference Frontgrade Technologies Inc. |
NSN 5331-01-360-7175 is a O-Ring, manufactured by Frontgrade Technologies Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-360-7175 has 2 manufacturer part numbers on file: GSK112-1-S (Frontgrade Technologies Inc.), SP01007558A (Safran Data Systems).
Key specifications for GSK112-1-S: Temp Rating: -80.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF; 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 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.