NSN 3040-01-622-7848 · NIIN 016227848 · Part number RD556
Spx Fluid Power · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 0PFG7
Government record, cited
NSN 3040-01-622-7848 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-622-7848. Manufacturer of record part number: RD556.
Also searched as3040-01-622-7848 ·
3040016227848 ·
NIIN 016227848 ·
01-622-7848 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 0PFG7 · RD556
Design Characteristics: DOUBLE ACTING SINGLE CYLINDER
Body Outside Diameter: 5.0 INCHES NOMINAL IN
Body Material: ALUMINUM ALLOY
Integral Valve Operation Method: HYDRAULIC
Bore Diameter: 3.75 INCHES NOMINAL IN
Identification
NSN: 3040-01-622-7848
NIIN: 016227848
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: RD556
Manufacturer: Spx Fluid Power
General Description
The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-622-7848, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Spx Fluid Power. Government technical data includes 7 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
3040-01-622-7848
Primary Part Number
RD556
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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3040-00-001-0077 · Item name not on file
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3040-00-001-0078 · Item name not on file
3040-00-001-0089
3040-00-001-0089 · Item name not on file
3040-00-001-1224
3040-00-001-1224 · Item name not on file
Frequently Asked Questions
What is NSN 3040-01-622-7848?
NSN 3040-01-622-7848 is a Cylinder Assembly,actuating,line, manufactured by Spx Fluid Power, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-622-7848?
NSN 3040-01-622-7848 has 1 manufacturer part number on file: RD556 (Spx Fluid Power).
What are the specifications of RD556?
Key specifications for RD556: Compressed Length: 12.97 INCHES NOMINAL IN; Extended Length: 19.22 INCHES NOMINAL IN; Design Characteristics: DOUBLE ACTING SINGLE CYLINDER; Body Outside Diameter: 5.0 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-622-7848 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.