PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L-075 0.658 IN.BORECoupling,shaft,flexible

Lovejoy, Llc Div Lovejoy · NSN 3010-01-221-7474 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-01-221-7474 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-221-7474. Primary manufacturer part number: L-075 0.658 IN.BORE.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Outside Diameter: 1.750 INCHES NOMINAL IN
  • Features Provided: KEYWAY
  • Keying Facility Quantity: 1 BOTH ENDS
  • Design Type: MULTIJAW
  • Bore Diameter: 0.6580 INCHES NOMINAL BOTH ENDS IN
  • Keying Facility Type: KEYWAY BOTH ENDS
  • Bore Length: 0.8125 INCHES NOMINAL BOTH ENDS IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-221-7474, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Lovejoy, Llc Div Lovejoy. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-01-221-7474
Primary Part NumberL-075 0.658 IN.BORE
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerLovejoy, Llc Div Lovejoy
StatusACTIVE
Outside Diameter1.750 INCHES NOMINAL IN
Features ProvidedKEYWAY
Keying Facility Quantity1 BOTH ENDS
Design TypeMULTIJAW
Bore Diameter0.6580 INCHES NOMINAL BOTH ENDS IN
Keying Facility TypeKEYWAY BOTH ENDS
Bore Length0.8125 INCHES NOMINAL BOTH ENDS IN
Keyway Width0.188 INCHES NOMINAL BOTH ENDS IN
Keyway Depth0.0937 INCHES NOMINAL BOTH ENDS IN
Bore ShapeSTRAIGHT BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3010-00-035-7834448-0021-650 INTERCHANGEABLE
Insert,flexible Coupling
Lovejoy, Llc Div Lovejoy
3010-00-067-3551L075 5/8 X 3/4 IN. BORE INTERCHANGEABLE
Coupling,shaft,flexible
Lovejoy, Llc Div Lovejoy
3010-00-822-2080L075 INTERCHANGEABLE
Coupling,shaft,flexible
Woods T B Sons Co
3010-00-957-1908L075 5/8 IN. BORE INTERCHANGEABLE
Coupling,shaft,flexible
Lovejoy, Llc Div Lovejoy
Cross-Reference Index
Part NumberManufacturer
L-075 0.658 IN.BORE PRIMARY Lovejoy, Llc Div Lovejoy (USA)
L075 A and F Machine Products Co (USA)
Related Parts
3010-00-035-7834INTERCHANGEABLE
INSERT,FLEXIBLE COUPLING
448-0021-650
3010-00-067-3551INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
L075 5/8 X 3/4 IN. BORE
3010-00-822-2080INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
L075
3010-00-957-1908INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
L075 5/8 IN. BORE

Frequently Asked Questions

What is NSN 3010-01-221-7474?

NSN 3010-01-221-7474 is a Coupling,shaft,flexible, manufactured by Lovejoy, Llc Div Lovejoy, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-01-221-7474?

NSN 3010-01-221-7474 has 2 cross-referenced part numbers: L-075 0.658 IN.BORE (Lovejoy, Llc Div Lovejoy), L075 (A and F Machine Products Co).

What NSN replaces 3010-01-221-7474?

There are 4 known substitutes for 3010-01-221-7474: 3010-00-035-7834, 3010-00-067-3551, 3010-00-822-2080 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L-075 0.658 IN.BORE?

Key specifications for L-075 0.658 IN.BORE: Outside Diameter: 1.750 INCHES NOMINAL IN; Features Provided: KEYWAY; Keying Facility Quantity: 1 BOTH ENDS; Design Type: MULTIJAW. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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