NSN 3040-01-254-4638 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-254-4638. Manufacturer of record part number: 311-908-034.
Also searched as3040-01-254-4638 ·
3040012544638 ·
NIIN 012544638 ·
01-254-4638 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 01170 · 311-908-034
Design Characteristics: SINGLE ACTING SINGLE CYLINDER
Overall Diameter: 0.875 INCHES NOMINAL IN
First Piston Rod End Thread Quantity Per Inch: 28
First Piston Rod End Style: EXTERNAL THREADED
First Piston Rod End Thread Series Designator: UNF
Integral Valve Operation Method: PNEUMATIC
Mounting Type and Location: SCREW PISTON ROD END
Identification
NSN: 3040-01-254-4638
NIIN: 012544638
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 311-908-034
Manufacturer: Bellofram Corporation
General Description
The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-254-4638, 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 8 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.
Technical Specifications
Parameter
Value
NSN
3040-01-254-4638
Primary Part Number
311-908-034
Item Name
Cylinder Assembly,actuating,line
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Other items in FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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3040-00-001-1224 · Item name not on file
Frequently Asked Questions
What is NSN 3040-01-254-4638?
NSN 3040-01-254-4638 is a Cylinder Assembly,actuating,line, manufactured by Bellofram Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-254-4638?
NSN 3040-01-254-4638 has 1 manufacturer part number on file: 311-908-034 (Bellofram Corporation).
What are the specifications of 311-908-034?
Key specifications for 311-908-034: Design Characteristics: SINGLE ACTING SINGLE CYLINDER; Overall Diameter: 0.875 INCHES NOMINAL IN; First Piston Rod End Thread Quantity Per Inch: 28; First Piston Rod End Style: EXTERNAL THREADED. 8 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-254-4638 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.