The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-293-8542, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tescom Corp Dba Tescom Div Tescom. Government technical data includes 24 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-293-8542 |
| Primary Part Number | 26-1662-28 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tescom Corp Dba Tescom Div Tescom |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| Valve Stem Design | SINGLE SEAT |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Remote Actuation Method | DIAPHRAGM |
| Body Style | STRAIGHT THRU |
| Regulation Type | 1ST STAGE MANUAL, 2ND STAGE AUTOMATIC |
| First End Thread Class | 3B |
| First End Style Designator | GASKET SEAL |
| Temp Rating | -65.0 FAHRENHEIT MINIMUM DEGF |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 2.0 TO 250.0 CAMERA MOUNT |
| Manual Control Method | KNOB |
| Valve Loading Method | SPRING |
| Mounting Facility | PANEL |
| First End Connection Type | THREADED INTERNAL BOSS |
| Material | PLASTIC SEAT |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| Material | RUBBER CHLOROPRENE CLASS CR FLOW CONTROL DEVICE |
| Media for Which Designed | WATER, OIL OR GAS |
| Maximum Inlet Pressure Rating | ERR-060 |
| Furnished Items | PANEL MOUNTING BRACKET |
| Thread Size and Series/type Designator | 1/2-14 NPT FIRST END |
| Filter | INCLUDED |
| 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 |
|---|---|
| 26-1662-28 PRIMARY | Tescom Corp Dba Tescom Div Tescom (USA) |
| Reference | Meaning |
|---|---|
| 26-1622-28 | 5/9 Secondary reference Tescom Corp Dba Tescom Div Tescom |
| 26-1600 | D/9 Drawing number reference only Tescom Corp Dba Tescom Div Tescom |
NSN 4820-01-293-8542 is a Valve,regulating,fluid Pressure, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-293-8542 has 1 manufacturer part number on file: 26-1662-28 (Tescom Corp Dba Tescom Div Tescom).
1 possible match (shared part number, not a government interchangeability claim): 5910-01-438-3463. Verify interchangeability with system specifications before substitution.
Key specifications for 26-1662-28: Flow Control Device: DIAPHRAGM; Valve Stem Design: SINGLE SEAT; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL. 24 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.