The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4810-01-026-4521, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-026-4521 |
| Primary Part Number | 27041102-03 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Valve Stem Design | SINGLE SEAT |
| Renewable Seat Ring Type | ANY ACCEPTABLE |
| Second End Relationship with First End | NOT IDENTICAL |
| Remote Actuation Method | SOLENOID |
| Body Style | STRAIGHT THRU |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Style Designator | PLAIN |
| Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 260.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| Second End Style Designator | PLAIN |
| First End Connection Type | PLAIN FACE FLANGE |
| Media for Which Designed | AIR |
| Second End Connection Type | PLAIN FACE FLANGE |
| Filter | NOT INCLUDED |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 27041102-03 | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 27041102-03 | 5/9 Secondary reference U.S. Government activity |
| 699989-107 | 1/3 Source control — Government-approved source U.S. Government activity |
NSN 4810-01-026-4521 is a Valve,regulating,fluid Pressure, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-026-4521 has 1 manufacturer part number on file: 27041102-03 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 27041102-03: Flow Control Device: POPPET; Valve Stem Design: SINGLE SEAT; Renewable Seat Ring Type: ANY ACCEPTABLE; Second End Relationship with First End: NOT IDENTICAL. 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.
NSN 4810-01-026-4521 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.