The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4810-01-271-2999, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 18 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-271-2999 |
| Primary Part Number | 11466334-2 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Face to Face Distance | 5.040 INCHES NOMINAL IN |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Seat Angle in Deg | 37.0 |
| First End Thread Class | 3A A |
| First End Style Designator | FLARED |
| Temp Rating | 100.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| First End Connection Type | THREADED EXTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.750 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING BODY |
| Media for Which Designed | ETHYLENE GLYCOL |
| Thread Size and Series/type Designator | 1 1/16-12 UNF FIRST END |
| Filter | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11466334-2 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 4810PL2089790 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 11466334 | D/9 Drawing number reference only Us Army Aviation and Missile Command |
| 8936-1212-0630 | 5/9 Secondary reference U.S. Government activity |
| 8936-1212-0680 | 5/1 Secondary reference U.S. Government activity |
NSN 4810-01-271-2999 is a Valve,regulating,fluid Pressure, manufactured by Us Army Aviation and Missile Command, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-271-2999 has 1 manufacturer part number on file: 11466334-2 (Us Army Aviation and Missile Command).
Key specifications for 11466334-2: Flow Control Device: POPPET; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 18 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 4810-01-271-2999 has DEMIL Code Q. 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.