The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-356-2706, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Allenair Corp. Government technical data includes 20 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 | 3040-01-356-2706 |
| Primary Part Number | TYPE A-4-30 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Allenair Corp |
| Status | ACTIVE |
| Pressure Rating | 150.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Compressed Length | 40.312 INCHES NOMINAL IN |
| Extended Length | 70.312 INCHES NOMINAL IN |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| Overall Diameter | 4.375 INCHES NOMINAL IN |
| First Piston Rod End Thread Quantity Per Inch | 14 |
| First End External Thread Length | 1.875 INCHES NOMINAL IN |
| Body Outside Diameter | 4.375 INCHES NOMINAL IN |
| Mounting Facility Length | 2.438 INCHES NOMINAL IN |
| First Piston Rod End Style | EXTERNAL THREADED |
| Mounting Facility Thread Quantity Per Inch | 12 |
| Mounting Facility Thread Length | 2.000 INCHES NOMINAL IN |
| First Piston Rod End Thread Series Designator | UNF |
| Mounting Provision for Which Designed | PIN(S) |
| Integral Valve Operation Method | HYDRAULIC |
| Bore Diameter | 4.000 INCHES NOMINAL IN |
| Mounting Type and Location | TONGUE CYLINDER HEAD END |
| Mounting Facility Thread Direction | RIGHT-HAND |
| First Piston Rod End Thread Diameter | 1.000 INCHES NOMINAL IN |
| First End Outside Diameter | 1.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TYPE A-4-30 PRIMARY | Allenair Corp (USA) |
NSN 3040-01-356-2706 is a Cylinder Assembly,actuating,line, manufactured by Allenair Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-356-2706 has 1 manufacturer part number on file: TYPE A-4-30 (Allenair Corp).
Key specifications for TYPE A-4-30: Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Compressed Length: 40.312 INCHES NOMINAL IN; Extended Length: 70.312 INCHES NOMINAL IN; Design Characteristics: DOUBLE ACTING SINGLE CYLINDER. 20 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.
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.