The Valve,ball, cataloged under National Stock Number 4820-01-555-6646, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Worcester Controls Inc. 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 | 4820-01-555-6646 |
| Primary Part Number | E325-SS-T-L-12-L 1.25IN |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Worcester Controls Inc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDLE AND 1 LOCKING DEVICE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Minimum Operating Temp | -50.0 FAHRENHEIT DEGF |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | OIL, HYDRAULIC SINGLE RESPONSE |
| Material | STEEL COMP 316 OVERALL |
| 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 |
|---|---|
| 2319A000 PL ITEM 32 | Supreme Integrated Technology, Inc. Dba C.s. Controls (USA) |
| E325-SS-T-L-12-L 1.25IN PRIMARY | Worcester Controls Inc (USA) |
NSN 4820-01-555-6646 is a Valve,ball, manufactured by Worcester Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-555-6646 has 2 manufacturer part numbers on file: 2319A000 PL ITEM 32 (Supreme Integrated Technology, Inc. Dba C.s. Controls), E325-SS-T-L-12-L 1.25IN (Worcester Controls Inc).
Key specifications for E325-SS-T-L-12-L 1.25IN: Furnished Items and Quantity: 1 HANDLE AND 1 LOCKING DEVICE; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Minimum Operating Temp: -50.0 FAHRENHEIT DEGF; Connection Type: THREADED INTERNAL PIPE 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.