The O-Ring, cataloged under National Stock Number 5331-01-521-9071, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is United Filtration Systems, Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-521-9071 |
| Primary Part Number | GV110 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | United Filtration Systems, Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 1.165 INCHES MINIMUM AND 1.187 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| GV110 PRIMARY | United Filtration Systems, Inc (USA) |
| Reference | Meaning |
|---|---|
| GV110 | 5/9 Secondary reference Andon Specialties, Inc. Dba Andon Specialties Inc |
NSN 5331-01-521-9071 is a O-Ring, manufactured by United Filtration Systems, Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-521-9071 has 1 manufacturer part number on file: GV110 (United Filtration Systems, Inc).
Key specifications for GV110: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Special Features: SIZE 2-025 VITON 70 DURO; Center Hole Diameter: 1.165 INCHES MINIMUM AND 1.187 INCHES MAXIMUM IN. 4 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.