The Disk,valve, cataloged under National Stock Number 4820-01-199-8708, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Natural Gas Solutions North America Llc Div Industrial Products Group. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-199-8708 |
| Primary Part Number | TA-1550 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Natural Gas Solutions North America Llc Div Industrial Products Group |
| Status | ACTIVE |
| Outside Diameter | 1.088 INCHES NOMINAL IN |
| Nominal Thread Size | 0.500 INCHES IN |
| Thread Class | 2B |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| TA-1550 PRIMARY | Natural Gas Solutions North America Llc Div Industrial Products Group (USA) |
| Reference | Meaning |
|---|---|
| TA-1550 | 3/9 Design control — primary reference Texsteam Inc Dba Txt or Rcs or Texsteam |
NSN 4820-01-199-8708 is a Disk,valve, manufactured by Natural Gas Solutions North America Llc Div Industrial Products Group, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-199-8708 has 1 manufacturer part number on file: TA-1550 (Natural Gas Solutions North America Llc Div Industrial Products Group).
Key specifications for TA-1550: Overall Height: 1.190 INCHES NOMINAL IN; Outside Diameter: 1.088 INCHES NOMINAL IN; Nominal Thread Size: 0.500 INCHES IN; Thread Class: 2B. 4 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.