The Ring,wearing, cataloged under National Stock Number 4320-01-062-7484, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Cooper Machinery Services Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-062-7484 |
| Primary Part Number | GN27-7H |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Cooper Machinery Services Llc |
| Status | ACTIVE |
| Body Style | PLAIN |
| Body Outside Diameter | 3.125 INCHES NOMINAL IN |
| Body Inside Diameter | 2.625 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| GN27-7H PRIMARY | Cooper Machinery Services Llc (USA) |
| Reference | Meaning |
|---|---|
| GN27-7H | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4320-01-062-7484 is a Ring,wearing, manufactured by Cooper Machinery Services Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-062-7484 has 1 manufacturer part number on file: GN27-7H (Cooper Machinery Services Llc).
Key specifications for GN27-7H: Body Style: PLAIN; Body Outside Diameter: 3.125 INCHES NOMINAL IN; Overall Length: 0.625 INCHES NOMINAL IN; Body Inside Diameter: 2.625 INCHES NOMINAL 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.