The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4810-01-203-1981, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-203-1981 |
| Primary Part Number | 751636-1-1 |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| FSC Application Data | VALVE,FLOW CONTROL |
| Outside Diameter | 3.060 INCHES NOMINAL IN |
| Bolt Hole Quantity | 10 |
| Center Hole Diameter | 0.260 INCHES NOMINAL IN |
| Material | RUBBER SILICONE AND PLASTIC ARAMID |
| Hole Diameter | 0.200 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 |
| Part Number | Manufacturer |
|---|---|
| 751636-1-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 4810-01-203-1981 is a Diaphragm,actuator Valve,special, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-203-1981 has 1 manufacturer part number on file: 751636-1-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 751636-1-1: Overall Height: 1.300 INCHES MINIMUM AND 1.360 INCHES MAXIMUM IN; FSC Application Data: VALVE,FLOW CONTROL; Outside Diameter: 3.060 INCHES NOMINAL IN; Bolt Hole Quantity: 10. 6 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 4810-01-203-1981 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.