The Actuator,hydraulic-Pneumatic,lin, cataloged under National Stock Number 4810-01-444-0995, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-444-0995 |
| Primary Part Number | 563-6404329-AY96 |
| Item Name | Actuator,hydraulic-Pneumatic,lin |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| First Piston Rod End Thread Class | 2B LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Thread Class | 2B |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| First Piston Rod End Thread Quantity Per Inch | 12 |
| Mounting Provision Arrangement Style | FOUR HOLE SQUARE |
| First Piston Rod End Style | INTERNAL THREADED LOCATION NOT OTHERWISE SPECIFIED |
| Longest Vertical Distance Between Mounting Centers | 3.750 INCHES NOMINAL IN |
| Mounting Facility Thread Quantity Per Inch | 11 |
| Thread Direction | UNABLE TO DECODE |
| Mounting Facility Thread Length | 0.940 INCHES NOMINAL IN |
| Mounting Facility Thread Diameter | 0.625 INCHES NOMINAL IN |
| First Piston Rod End Thread Series Designator | UNF LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Integral Valve Operation Method | HYDRAULIC |
| Bore Diameter | 1.377 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| Mounting Type and Location | LUG(S) CENTER SECTION |
| Mounting Facility Thread Direction | RIGHT-HAND |
| Mounting Provision | THREADED MOUNTING HOLES |
| First Piston Rod End Thread Diameter | 1.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Longest Horizontal Distance Between Mounting Centers | 3.750 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 |
|---|---|
| 563-6404329-AY96 PRIMARY | Naval Sea Systems Command (USA) |
| 211094361 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 211094361 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 6404329 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4810-01-444-0995 is a Actuator,hydraulic-Pneumatic,lin, manufactured by Naval Sea Systems Command, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-444-0995 has 2 manufacturer part numbers on file: 563-6404329-AY96 (Naval Sea Systems Command), 211094361 (Naval Sea Systems Command).
Key specifications for 563-6404329-AY96: First Piston Rod End Thread Class: 2B LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Thread Class: 2B; Design Characteristics: DOUBLE ACTING SINGLE CYLINDER; First Piston Rod End Thread Quantity Per Inch: 12. 21 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 4810-01-444-0995 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.