The Piston,valve, cataloged under National Stock Number 4810-01-049-6446, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Alpha Tool and Machine Co Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4810-01-049-6446 |
| Primary Part Number | 752062-1 |
| Item Name | Piston,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Alpha Tool and Machine Co Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 752062-1 | Hartford Aircraft Products, Inc (USA) |
| 752062-1 PRIMARY | Alpha Tool and Machine Co Inc (USA) |
| 752062-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 752062-1 | 5/9 Secondary reference National Automatic Products Co the |
NSN 4810-01-049-6446 is a Piston,valve, manufactured by Alpha Tool and Machine Co Inc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-049-6446 has 3 manufacturer part numbers on file: 752062-1 (Hartford Aircraft Products, Inc), 752062-1 (Alpha Tool and Machine Co Inc), 752062-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 752062-1: Special Features: ALUMINUM; 1.538 IN. DIA; 2.218 IN. DEEP; 0.125 IN. W; TOP 2.187 IN. DIA X 0.107 IN. LG; 0.575 IN. ID OF HOLE IN. 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 4810-01-049-6446 has DEMIL Code Q. 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.