The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4810-01-085-1430, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Pneudraulics, Inc.. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4810-01-085-1430 |
| Primary Part Number | 71787 |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Pneudraulics, Inc. |
| Status | ACTIVE |
| FSC Application Data | AN/APY-1 |
| Outside Diameter | 10.960 INCHES NOMINAL IN |
| Supplementary Features | END ITEM:E-3A AWACS AIRCRAFT A |
| Style Designator | SPECIAL SHAPED |
| Material Thickness | 0.050 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 |
| Center Hole Diameter | 5.600 INCHES NOMINAL IN |
| Hole Diameter | 0.280 INCHES NOMINAL IN |
| 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 |
NSN 4810-01-085-1430 is a Diaphragm,actuator Valve,special, manufactured by Pneudraulics, Inc., classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-085-1430 has 2 manufacturer part numbers on file: 71787 (Pneudraulics, Inc.), 71787 (Bellofram Corporation).
1 possible match (shared part number, not a government interchangeability claim): 2030-01-656-4005. Verify interchangeability with system specifications before substitution.
Key specifications for 71787: FSC Application Data: AN/APY-1; Outside Diameter: 10.960 INCHES NOMINAL IN; Supplementary Features: END ITEM:E-3A AWACS AIRCRAFT A; Style Designator: SPECIAL SHAPED. 8 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 4810-01-085-1430 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.