The Valve,ball, cataloged under National Stock Number 4820-01-671-9772, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydac Corp. Government technical data includes 15 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 | 4820-01-671-9772 |
| Primary Part Number | KHM3H-SP-1-1/4-SW-3312 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hydac Corp |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDLE |
| Nominal Pipe Size Accommodated | 1.25 INCHES ALL ENDS IN |
| Connection Style | SOCKET ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 1.25 INCHES IN |
| Face to Face Distance | 4.76 INCHES IN |
| Media for Which Designed | GAS, NATURAL SECOND RESPONSE |
| Media for Which Designed | LIQUID FIRST RESPONSE |
| Material | STEEL COMP 316 BODY |
| Material | STEEL COMP 316 STEM |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Material | STEEL COMP 316 FLOW CONTROL DEVICE |
| 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 |
|---|---|
| KHM3H-SP-1-1/4-SW-3312 PRIMARY | Hydac Corp (USA) |
| KHM3H-SP-1-1/4-SW-3312 | Airline Hydraulics Corp Dba Airline Hydraulics Corp (USA) |
NSN 4820-01-671-9772 is a Valve,ball, manufactured by Hydac Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-671-9772 has 2 manufacturer part numbers on file: KHM3H-SP-1-1/4-SW-3312 (Hydac Corp), KHM3H-SP-1-1/4-SW-3312 (Airline Hydraulics Corp Dba Airline Hydraulics Corp).
Key specifications for KHM3H-SP-1-1/4-SW-3312: Furnished Items and Quantity: 1 HANDLE; Nominal Pipe Size Accommodated: 1.25 INCHES ALL ENDS IN; Connection Style: SOCKET ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 15 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.