NSN 3040-01-644-8420 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-644-8420. Manufacturer of record part number: B3859.
Also searched as3040-01-644-8420 ·
3040016448420 ·
NIIN 016448420 ·
01-644-8420 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 12437 · B3859
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: B3859
Manufacturer: Thern Inc
General Description
The Shaft,shouldered, cataloged under National Stock Number 3040-01-644-8420, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Thern Inc. 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
3040-01-644-8420
Primary Part Number
B3859
Item Name
Shaft,shouldered
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.
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 3040-01-644-8420?
NSN 3040-01-644-8420 is a Shaft,shouldered, manufactured by Thern Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-644-8420?
NSN 3040-01-644-8420 has 1 manufacturer part number on file: B3859 (Thern Inc).
What are the specifications of B3859?
Key specifications for B3859: Part Name Assigned by Controlling Agency: SHAFT,SHOULDERED; End Item Identification: 4WP2D SERIES WORM GEAR POWER WINCHES. 0 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-644-8420 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.