The Cup,compression, cataloged under National Stock Number 5340-00-267-5573, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Grove Valve Operations. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-00-267-5573 |
| Primary Part Number | N427PC6 |
| Item Name | Cup,compression |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Grove Valve Operations |
| Status | ACTIVE |
| Feather Edge Angle | 20.0 DEGREES NOMINAL |
| Center Hole Diameter | 0.250 INCHES NOMINAL IN |
| Base Material Thickness | 0.125 INCHES NOMINAL IN |
| Recess Inside Diameter | 0.625 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| N427PC6 PRIMARY | Grove Valve Operations (USA) |
| 285-4824-70668PC6 PRIMARY | Naval Sea Systems Command (USA) |
| 76518 PRIMARY | Grove Valve Operations (USA) |
| Reference | Meaning |
|---|---|
| 285-4824-70668PC6 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-267-5573 is a Cup,compression, manufactured by Grove Valve Operations, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-267-5573 has 3 manufacturer part numbers on file: N427PC6 (Grove Valve Operations), 285-4824-70668PC6 (Naval Sea Systems Command), 76518 (Grove Valve Operations).
Key specifications for N427PC6: Feather Edge Angle: 20.0 DEGREES NOMINAL; Overall Length: 0.375 INCHES NOMINAL IN; Center Hole Diameter: 0.250 INCHES NOMINAL IN; Base Material Thickness: 0.125 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.