The Valve,foot, cataloged under National Stock Number 4820-01-266-2070, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Industrial Technologies and Services Llc. 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-266-2070 |
| Primary Part Number | 21523 |
| Item Name | Valve,foot |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Industrial Technologies and Services Llc |
| Status | ACTIVE |
| Flow Control Device | PLUG |
| First End Thread Direction | RIGHT-HAND |
| First End Connection Type | THREADED INTERNAL PIPE |
| First End Nominal Pipe Size Accommodated | 2.000 INCHES IN |
| 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 |
|---|---|
| 21523 PRIMARY | Industrial Technologies and Services Llc (USA) |
NSN 4820-01-266-2070 is a Valve,foot, manufactured by Industrial Technologies and Services Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-266-2070 has 1 manufacturer part number on file: 21523 (Industrial Technologies and Services Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5815-01-283-9980, 1630-01-330-2736, 5930-01-674-7229. Verify interchangeability with system specifications before substitution.
Key specifications for 21523: Flow Control Device: PLUG; First End Thread Direction: RIGHT-HAND; First End Connection Type: THREADED INTERNAL PIPE; First End Nominal Pipe Size Accommodated: 2.000 INCHES IN. 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.