The Valve,ball, cataloged under National Stock Number 4820-01-647-9174, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Alloy Valves & Control, Inc. Dba Alloy Valves & Controls. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-647-9174 |
| Primary Part Number | 1744TT-SE-125-BAB180 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Alloy Valves & Control, Inc. Dba Alloy Valves & Controls |
| Status | ACTIVE |
| Material | NICKEL ALLOY 400 BODY |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| 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 |
|---|---|
| 1744TT-SE-125-BAB180 PRIMARY | Alloy Valves & Control, Inc. Dba Alloy Valves & Controls (USA) |
NSN 4820-01-647-9174 is a Valve,ball, manufactured by Alloy Valves & Control, Inc. Dba Alloy Valves & Controls, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-647-9174 has 1 manufacturer part number on file: 1744TT-SE-125-BAB180 (Alloy Valves & Control, Inc. Dba Alloy Valves & Controls).
Key specifications for 1744TT-SE-125-BAB180: Special Features: 1-1/4 INCH;180 DEGREE ROTATION BALL;END CONNECTIONS NPT;MEDIA FLOWS BETWEEN PORT 1 AND PORT 3 AND CAN BE LOCKED OFF IN THIS POSITION; UPON 90 DEGREE ROTATION THE VALVE WILL BE ISOLATED RESULTING IN NO FLOW AND CAN BE LOCKED OFF. UPON 180 DEGREE ROTATION THE FLOW PATH DIVERTS TO PORT 2 AND PORT 3, BUT CANNOT BE LOCKED OFF IN; Part Name Assigned by Controlling Agency: 3-WAY BOTTOM ENTRY DIVERTER BALL VALVE; Material: NICKEL ALLOY 400 BODY; Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT. 2 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.