The Valve,ball, cataloged under National Stock Number 4820-01-659-0231, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Quadrant Valve & Actuator Llc. Government technical data includes 23 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 | 4820-01-659-0231 |
| Primary Part Number | S2FSSRRSLTT050 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Quadrant Valve & Actuator Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 LOCKING DEVICE |
| Nominal Pipe Size Accommodated | 0.50 INCHES ALL ENDS IN |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | ASTM A276 GR. 316 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | ASTM A276 GR. 316 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM A351 GR. CF8M ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A216 GR. WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 150.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Operating Pressure | 2000.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Valve Size | 0.50 INCHES IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.50 INCHES ALL ENDS IN |
| Maximum Operating Temp | 100.00 FAHRENHEIT FIRST RESPONSE DEGF |
| Face to Face Distance | 2.40 INCHES IN |
| Media for Which Designed | WATER-OIL-GAS FIRST RESPONSE |
| Media for Which Designed | STEAM SECOND RESPONSE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE PACKING |
| Material | STEEL COMP 316 STEM |
| Material | STEEL COMP 316 FLOW CONTROL DEVICE |
| Material | STEEL STAINLESS - USE STB000 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 |
|---|---|
| S2FSSRRSLTT050 PRIMARY | Quadrant Valve & Actuator Llc (USA) |
NSN 4820-01-659-0231 is a Valve,ball, manufactured by Quadrant Valve & Actuator Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-659-0231 has 1 manufacturer part number on file: S2FSSRRSLTT050 (Quadrant Valve & Actuator Llc).
Key specifications for S2FSSRRSLTT050: Furnished Items and Quantity: 1 LOCKING DEVICE; Nominal Pipe Size Accommodated: 0.50 INCHES ALL ENDS IN; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS. 23 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.