The Piston,valve, cataloged under National Stock Number 4810-01-689-5190, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Pratt & Whitney Component Solutions, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-689-5190 |
| Primary Part Number | 4952361-66 |
| Item Name | Piston,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Pratt & Whitney Component Solutions, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4952361-66 | Pratt & Whitney Component Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4952447/SHEET 2 | D/9 Drawing number reference only Scotsman Industries Inc Div Scotsman Ice Systems |
| 4952361-66 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4810-01-689-5190 is a Piston,valve, manufactured by Pratt & Whitney Component Solutions, Inc., classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-689-5190 has 1 manufacturer part number on file: 4952361-66 (Pratt & Whitney Component Solutions, Inc.).
Key specifications for 4952361-66: Part Name Assigned by Controlling Agency: PISTON. 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.
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.