NSN 3040-01-732-5907 · NIIN 017325907 · Part number FC45-1-3/4
Boston Gear Llc · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 6LCP7
Government record, cited
NSN 3040-01-732-5907 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-732-5907. Manufacturer of record part number: FC45-1-3/4.
Also searched as3040-01-732-5907 ·
3040017325907 ·
NIIN 017325907 ·
01-732-5907 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 6LCP7 · FC45-1-3/4
Nearby stock numbers← 3040-01-732-5897 Rotor Kit
·
3040-01-732-6090 Lever Assembly, Manual Control →
Features
Coupling Half,shaft — FSC 3040
Bore Length: 3.0 INCHES NOMINAL IN
Features Provided: KEYWAY
Bore Shape: STRAIGHT
Bore Diameter: 1.75 INCHES NOMINAL IN
Material: STEEL
1 manufacturer part number on file
Manufacturer of record: Boston Gear Llc
Identification
NSN: 3040-01-732-5907
NIIN: 017325907
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: FC45-1-3/4
Manufacturer: Boston Gear Llc
General Description
The Coupling Half,shaft, cataloged under National Stock Number 3040-01-732-5907, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Boston Gear Llc. Government technical data includes 5 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
3040-01-732-5907
Primary Part Number
FC45-1-3/4
Item Name
Coupling Half,shaft
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
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Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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Frequently Asked Questions
What is NSN 3040-01-732-5907?
NSN 3040-01-732-5907 is a Coupling Half,shaft, manufactured by Boston Gear Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-732-5907?
NSN 3040-01-732-5907 has 1 manufacturer part number on file: FC45-1-3/4 (Boston Gear Llc).
What are the specifications of FC45-1-3/4?
Key specifications for FC45-1-3/4: Bore Length: 3.0 INCHES NOMINAL IN; Features Provided: KEYWAY; Bore Shape: STRAIGHT; Special Features: OVERALL DIAMETER 4.5 INCHES; HUB DIAMETER 4.0 INCHES; HUB PROJECTION 2.125 INCHES; ONE SETSCREW OVER KEY; ONE SETSCREW AT 90 DEGREES IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-732-5907 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.