The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-154-2108, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lincoln Electric Co the Harris Calorific Div. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-154-2108 |
| Primary Part Number | 3200301 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lincoln Electric Co the Harris Calorific Div |
| Status | ACTIVE |
| Flow Control Device | DISK |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | NOT IDENTICAL |
| Body Style | ANGLE |
| Regulation Type | 1ST STAGE AUTOMATIC, 2ND STAGE MANUAL |
| First End Style Designator | PLAIN |
| Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF |
| Criticality Code Justification | FEAT |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 0.0 TO 2500.0 CAMERA MOUNT |
| Manual Control Method | TEE HANDLE |
| Valve Loading Method | SPRING |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | NITROGEN, GASEOUS |
| Thread Size and Series/type Designator | 1/4-18 NPT FIRST END |
| Filter | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 8700-2500-580 | Lincoln Electric Co the Harris Calorific Div (USA) |
| 3200301 PRIMARY | Lincoln Electric Co the Harris Calorific Div (USA) |
| Reference | Meaning |
|---|---|
| 87-2500A-580 | 5/9 Secondary reference Lincoln Electric Co the Harris Calorific Div |
NSN 4820-01-154-2108 is a Valve,regulating,fluid Pressure, manufactured by Lincoln Electric Co the Harris Calorific Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-154-2108 has 2 manufacturer part numbers on file: 8700-2500-580 (Lincoln Electric Co the Harris Calorific Div), 3200301 (Lincoln Electric Co the Harris Calorific Div).
2 possible matches (shared part number, not a government interchangeability claim): 6625-01-326-0508, 3120-01-510-0308. Verify interchangeability with system specifications before substitution.
Key specifications for 3200301: Flow Control Device: DISK; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: NOT IDENTICAL; Body Style: ANGLE. 17 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.