The Cup,compression, cataloged under National Stock Number 5340-00-376-8889, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-376-8889 |
| Primary Part Number | D25280 |
| Item Name | Cup,compression |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Feather Edge Angle | 45.0 DEGREES NOMINAL |
| Material Document and Classification | KK-L-181,GRADE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Center Hole Diameter | 0.750 INCHES NOMINAL IN |
| Base Material Thickness | 0.063 INCHES NOMINAL IN |
| Material | LEATHER CATTLEHIDE OVERALL |
| Recess Inside Diameter | 1.125 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 |
|---|---|
| D25280 PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| D25280 | 5/9 Secondary reference Hammel Dahl Inc |
| D25280 | 3/9 Design control — primary reference Hunt Valve Company Inc Dba Union Flonetics |
NSN 5340-00-376-8889 is a Cup,compression, manufactured by Hunt Valve Company, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-376-8889 has 1 manufacturer part number on file: D25280 (Hunt Valve Company, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5325-00-420-3859, 5325-01-255-2809. Verify interchangeability with system specifications before substitution.
Key specifications for D25280: Feather Edge Angle: 45.0 DEGREES NOMINAL; Material Document and Classification: KK-L-181,GRADE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 0.219 INCHES NOMINAL IN; Center Hole Diameter: 0.750 INCHES NOMINAL IN. 6 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.