The Valve,ball, cataloged under National Stock Number 4820-01-721-1192, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ta Chen International, Inc. Div Polytec Shutters. 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 | 4820-01-721-1192 |
| Primary Part Number | TC-03T/B/S 3/4 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ta Chen International, Inc. Div Polytec Shutters |
| Status | ACTIVE |
| Nominal Length | 85.0 MILLIMETERS ALL ENDS MM |
| Connection Type | THREADED INTERNAL HOSE FIRST END |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 0.75 INCHES IN |
| Maximum Operating Temp | 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Bolt Hole Quantity | 6 FIRST END |
| Material | STEEL COMP 316 STEM |
| 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 |
|---|---|
| TC-03T/B/S 3/4 PRIMARY | Ta Chen International, Inc. Div Polytec Shutters (USA) |
| TC-03T/B/S 20 | Ta Chen International, Inc. Div Polytec Shutters (USA) |
NSN 4820-01-721-1192 is a Valve,ball, manufactured by Ta Chen International, Inc. Div Polytec Shutters, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-721-1192 has 2 manufacturer part numbers on file: TC-03T/B/S 3/4 (Ta Chen International, Inc. Div Polytec Shutters), TC-03T/B/S 20 (Ta Chen International, Inc. Div Polytec Shutters).
Key specifications for TC-03T/B/S 3/4: Nominal Length: 85.0 MILLIMETERS ALL ENDS MM; Connection Type: THREADED INTERNAL HOSE FIRST END; Style Designator: STRAIGHT THRU; Operating Pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 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.