The Valve,ball, cataloged under National Stock Number 4820-01-431-9143, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Carrier Corp. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-431-9143 |
| Primary Part Number | EP71CQ306 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Carrier Corp |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDLE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Bonnet Type | INSIDE SCREW |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.000 INCHES ALL ENDS IN |
| Bonnet Attachment Method | BOLTED |
| Thread Series Designator | NPTF ALL ENDS |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| EP71CQ306 PRIMARY | Carrier Corp (USA) |
| 19XB0452-330J57014 IT127 | Carrier Corp (USA) |
NSN 4820-01-431-9143 is a Valve,ball, manufactured by Carrier Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-431-9143 has 2 manufacturer part numbers on file: EP71CQ306 (Carrier Corp), 19XB0452-330J57014 IT127 (Carrier Corp).
Key specifications for EP71CQ306: Furnished Items and Quantity: 1 HANDLE; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 10 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.