The Valve,ball, cataloged under National Stock Number 4820-01-695-4381, 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 15 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 | 4820-01-695-4381 |
| Primary Part Number | TC-022T 1 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ta Chen International, Inc. Div Polytec Shutters |
| Status | ACTIVE |
| Connection Style | REDUCED GASKET SEAL ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 1.00 INCHES IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.00 INCHES ALL ENDS IN |
| Maximum Operating Temp | 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Second Connection Face to Centerline Distance | 1.62 INCHES IN |
| Face to Face Distance | 3.20 INCHES IN |
| First Connection Face to Centerline Distance | 1.58 INCHES IN |
| Material | STEEL COMP 316 STEM |
| 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 |
|---|---|
| TC-022T 1 PRIMARY | Ta Chen International, Inc. Div Polytec Shutters (USA) |
NSN 4820-01-695-4381 is a Valve,ball, manufactured by Ta Chen International, Inc. Div Polytec Shutters, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-695-4381 has 1 manufacturer part number on file: TC-022T 1 (Ta Chen International, Inc. Div Polytec Shutters).
Key specifications for TC-022T 1: Connection Style: REDUCED GASKET SEAL ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU; Operating Pressure: 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 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.