The Valve,ball, cataloged under National Stock Number 4820-01-708-0126, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. Government technical data includes 19 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 | 4820-01-708-0126 |
| Primary Part Number | SS-43GS4-YW |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Nominal Length | 60.7 MILLIMETERS ALL ENDS MM |
| Minimum Operating Temp | -65.0 CELSIUS DEGC |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 0.25 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.250 MILLIMETERS ALL ENDS MM |
| Maximum Operating Temp | 150.0 CELSIUS SINGLE RESPONSE DEGC |
| Mounting Facility | THREADED FASTENER |
| Bonnet Attachment Method | THREADED |
| Nominal Width | 19.8 MILLIMETERS ALL ENDS MM |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Thread Class | 2A ALL ENDS A |
| Material | STEEL CORROSION RESISTING BODY |
| Thread Series Designator | UNF 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 |
|---|---|
| SS-43GS4-YW PRIMARY | Swagelok Co (USA) |
NSN 4820-01-708-0126 is a Valve,ball, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-708-0126 has 1 manufacturer part number on file: SS-43GS4-YW (Swagelok Co).
Key specifications for SS-43GS4-YW: Connection Style: PLAIN (TUBE) ALL ENDS; Nominal Length: 60.7 MILLIMETERS ALL ENDS MM; Minimum Operating Temp: -65.0 CELSIUS DEGC; Connection Type: THREADED EXTERNAL TUBE ALL ENDS. 19 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.