The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-079-8544, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Bellofram Corporation. Government technical data includes 28 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 | 3040-01-079-8544 |
| Primary Part Number | SS-9-F-SM-UM |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Bellofram Corporation |
| Status | ACTIVE |
| First Piston Rod End Thread Class | UNABLE TO DECODE |
| Pressure Rating | 125.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Mounting Facility Thread Class | 2B |
| Compressed Length | 8.320 INCHES NOMINAL IN |
| Temp Rating | -40.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF |
| Mounting Facility Circle Diameter | 3.000 INCHES NOMINAL IN |
| Extended Length | 11.320 INCHES NOMINAL IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Overall Diameter | 4.250 INCHES NOMINAL IN |
| Port Thread Series Designator | UNABLE TO DECODE |
| First Piston Rod End Thread Quantity Per Inch | UNABLE TO DECODE |
| First End External Thread Length | UNABLE TO DECODE |
| Body Outside Diameter | 3.840 INCHES NOMINAL IN |
| Mounting Provision Arrangement Style | FOUR HOLE BOLT CIRCLE |
| First Piston Rod End Style | UNABLE TO DECODE |
| Mounting Facility Thread Quantity Per Inch | 14 |
| Body Material | STEEL |
| Mounting Facility Thread Diameter | 0.438 INCHES NOMINAL IN |
| Port Nominal Pipe Thread Size | UNABLE TO DECODE |
| Port Style | UNABLE TO DECODE |
| First Piston Rod End Thread Series Designator | UNABLE TO DECODE |
| Mounting Facility Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Mounting Provision for Which Designed | THREADED MOUNTING HOLES |
| Integral Valve Operation Method | PNEUMATIC |
| Bore Diameter | 3.400 INCHES NOMINAL IN |
| Mounting Facility Thread Direction | RIGHT-HAND |
| First Piston Rod End Thread Diameter | UNABLE TO DECODE |
| First End Outside Diameter | UNABLE TO DECODE |
| 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 |
|---|---|
| SS-9-F-SM-UM PRIMARY | Bellofram Corporation (USA) |
NSN 3040-01-079-8544 is a Cylinder Assembly,actuating,line, manufactured by Bellofram Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-079-8544 has 1 manufacturer part number on file: SS-9-F-SM-UM (Bellofram Corporation).
Key specifications for SS-9-F-SM-UM: First Piston Rod End Thread Class: UNABLE TO DECODE; Pressure Rating: 125.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Mounting Facility Thread Class: 2B; Compressed Length: 8.320 INCHES NOMINAL IN. 28 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.