The High Pressure Pisto, cataloged under National Stock Number 4810-01-468-8137, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is The Boeing Company. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4810-01-468-8137 |
| Primary Part Number | 28-60003-5 |
| Item Name | High Pressure Pisto |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 28-60003-5 | Tactair Fluid Controls Inc (USA) |
| 28-60003-5 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 28-60003-5 | 5/9 Secondary reference U.S. Government activity |
NSN 4810-01-468-8137 is a High Pressure Pisto, manufactured by The Boeing Company, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-468-8137 has 2 manufacturer part numbers on file: 28-60003-5 (Tactair Fluid Controls Inc), 28-60003-5 (The Boeing Company).
Key specifications for 28-60003-5: End Item Identification: CHINOOK HELICOPTER, CH-47 SERIES. 0 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.
NSN 4810-01-468-8137 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.