The Valve,ball, cataloged under National Stock Number 4820-01-385-9056, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ber-Low Mfg., Inc Dba Butech Pressure Systems. Government technical data includes 9 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 | 4820-01-385-9056 |
| Primary Part Number | 4K103-20-20-20-20 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ber-Low Mfg., Inc Dba Butech Pressure Systems |
| Status | ACTIVE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Operating Pressure | 10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Maximum Operating Temp | 72.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | STEEL COMP 316 BODY |
| Thread Series Designator | NPT 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 |
|---|---|
| 4K103-20-20-20-20 PRIMARY | Ber-Low Mfg., Inc Dba Butech Pressure Systems (USA) |
| C-1445 ASSY 4K103-20-20-20-20 | Ber-Low Mfg., Inc Dba Butech Pressure Systems (USA) |
NSN 4820-01-385-9056 is a Valve,ball, manufactured by Ber-Low Mfg., Inc Dba Butech Pressure Systems, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-385-9056 has 2 manufacturer part numbers on file: 4K103-20-20-20-20 (Ber-Low Mfg., Inc Dba Butech Pressure Systems), C-1445 ASSY 4K103-20-20-20-20 (Ber-Low Mfg., Inc Dba Butech Pressure Systems).
Key specifications for 4K103-20-20-20-20: Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Operating Pressure: 10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Thread Direction: RIGHT-HAND ALL ENDS. 9 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.