NSN 3040-01-520-8805 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-520-8805. Manufacturer of record part number: 4KK539.
Also searched as3040-01-520-8805 ·
3040015208805 ·
NIIN 015208805 ·
01-520-8805 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 75Q65 · 4KK539 · 356-4967 · 356-4967
Outside Diameter: 108.400 INCHES MINIMUM AND 108.600 INCHES MAXIMUM IN
2 manufacturer part numbers on file
Manufacturer of record: Oshkosh Defense Llc
Identification
NSN: 3040-01-520-8805
NIIN: 015208805
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 4KK539
Manufacturer: Oshkosh Defense Llc
General Description
The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-520-8805, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
Technical Specifications
Parameter
Value
NSN
3040-01-520-8805
Primary Part Number
4KK539
Item Name
Piston,linear Actuating Cylinder
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Oshkosh Defense Llc
Status
ACTIVE
Outside Diameter
108.400 INCHES MINIMUM AND 108.600 INCHES MAXIMUM IN
Hiab Limited Div Government Business Operations (GBR)
Reference documents
Reference
Meaning
4KK539
5/9Secondary reference
Oshkosh Corp
356-4967
3/9Design control — primary reference
Hiab Usa Inc
No interchangeability data on file.
Other items in FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046
3040-00-001-0046 · Item name not on file
3040-00-001-0047
3040-00-001-0047 · Item name not on file
3040-00-001-0048
3040-00-001-0048 · Item name not on file
3040-00-001-0068
3040-00-001-0068 · Item name not on file
3040-00-001-0077
3040-00-001-0077 · Item name not on file
3040-00-001-0078
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 3040-01-520-8805?
NSN 3040-01-520-8805 is a Piston,linear Actuating Cylinder, manufactured by Oshkosh Defense Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-520-8805?
NSN 3040-01-520-8805 has 2 manufacturer part numbers on file: 4KK539 (Oshkosh Defense Llc), 356-4967 (Hiab Limited Div Government Business Operations).
What are the specifications of 4KK539?
Key specifications for 4KK539: Outside Diameter: 108.400 INCHES MINIMUM AND 108.600 INCHES MAXIMUM IN; Overall Length: 0.120 INCHES MINIMUM AND 0.207 INCHES MAXIMUM IN; End Item Identification: TRUCK,CARGO. 1 specification is documented in the U.S. Government catalog.
Is NSN 3040-01-520-8805 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.