The O-Ring, cataloged under National Stock Number 5331-01-566-5275, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Hy-Grade Valve, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-566-5275 |
| Primary Part Number | HGIR-05150-V |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Hy-Grade Valve, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| GT01-05G-10FFX ITEM 7 | Valve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of (USA) |
| HGIR-05150-V PRIMARY | Hy-Grade Valve, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HGIR-05150-V | 5/9 Secondary reference Valve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of |
| GT01-05G-10FFX ITEM 7 | 5/9 Secondary reference Hy-Grade Valve, Inc. |
NSN 5331-01-566-5275 is a O-Ring, manufactured by Hy-Grade Valve, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-566-5275 has 2 manufacturer part numbers on file: GT01-05G-10FFX ITEM 7 (Valve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of), HGIR-05150-V (Hy-Grade Valve, Inc.).
Key specifications for HGIR-05150-V: Part Name Assigned by Controlling Agency: INSERT RING; End Item Identification: VALVE, WAFER CHECK T01-05G-10FFX G. 0 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.