The Valve Core, cataloged under National Stock Number 2640-00-320-8200, is classified within Federal Supply Class 2640 (Tire Rebuilding and Tire and Tube Repair Materials) of the Tires and Tubes group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2640-00-320-8200 |
| Item Name | Valve Core |
| FSC / FSG | 2640 / 26 — Tire Rebuilding and Tire and Tube Repair Materials |
| Status | ACTIVE |
| Size Designation | STANDARD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 149598 | 3/2 Design control — primary reference U.S. Government activity |
| 149598 | 3/9 Design control — primary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
NSN 2640-00-320-8200 is a Valve Core, classified under FSC 2640, Tire Rebuilding and Tire and Tube Repair Materials. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5310-00-515-7592, 5310-01-672-5094. Verify interchangeability with system specifications before substitution.
Key specifications for 2640-00-320-8200: Size Designation: STANDARD; Special Features: TIRE AND RIM NUMBER C4. 1 specification is 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.