PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

448-0021-650Insert,flexible Coupling

Lovejoy, Llc Div Lovejoy · NSN 3010-00-035-7834 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-035-7834 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-035-7834. Primary manufacturer part number: 448-0021-650.
Features
  • Insert,flexible Coupling — FSC 3010
  • Overall Outside Diameter: 1.750 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • Lug Quantity: 6
  • Overall Thickness: 0.438 INCHES NOMINAL IN
  • Style Designator: SPIDER
  • 9 verified cross-references
  • Primary manufacturer: Lovejoy, Llc Div Lovejoy
Applications
  • Applications requiring Rubber Synthetic construction
General Description

The Insert,flexible Coupling, cataloged under National Stock Number 3010-00-035-7834, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3010-00-035-7834
Primary Part Number448-0021-650
Item NameInsert,flexible Coupling
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerLovejoy, Llc Div Lovejoy
StatusCANCELLED
Overall Outside Diameter1.750 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Lug Quantity6
Overall Thickness0.438 INCHES NOMINAL IN
Style DesignatorSPIDER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
3010-00-067-3551L075 5/8 X 3/4 IN. BORE INTERCHANGEABLE
Coupling,shaft,flexible
Lovejoy, Llc Div Lovejoy
5975-00-167-2422B075 INTERCHANGEABLE
Entrance Cap,electrical
Schneider Electric Usa, Inc. Dba Schneider Electric
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
5340-01-218-9376 INTERCHANGEABLE
Cap,protective,dust and Moisture
3010-01-221-7474L-075 0.658 IN.BORE INTERCHANGEABLE
Coupling,shaft,flexible
Lovejoy, Llc Div Lovejoy
5365-01-357-1757SK56Y21-92-1 SIZE B-075 INTERCHANGEABLE
Spacer,plate
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
448-0021-650 PRIMARY Lovejoy, Llc Div Lovejoy (USA)
L075 SOX Lovejoy, Llc Div Lovejoy (USA)
448-0021-650 Aurora Pump a Unit of General Signal Corp (USA)
2X814 W.w. Grainger, Inc. Div Government Sales Division (USA)
L-075-SOX-SINTE Lovejoy, Llc Div Lovejoy (USA)
2X814 Lovejoy, Llc Div Lovejoy (USA)
B075 Maurey Mfg Co (USA)
L075 Lovejoy, Llc Div Lovejoy (USA)
685144-10621 PRIMARY Lovejoy, Llc Div Lovejoy (USA)
Related Parts
3010-00-067-3551INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
L075 5/8 X 3/4 IN. BORE
5975-00-167-2422INTERCHANGEABLE
ENTRANCE CAP,ELECTRICAL
B075
3010-00-822-2080INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
L075
3010-00-957-1908INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
L075 5/8 IN. BORE
5340-01-218-9376INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
3010-01-221-7474INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
L-075 0.658 IN.BORE
5365-01-357-1757INTERCHANGEABLE
SPACER,PLATE
SK56Y21-92-1 SIZE B-075

Frequently Asked Questions

What is NSN 3010-00-035-7834?

NSN 3010-00-035-7834 is a Insert,flexible Coupling, manufactured by Lovejoy, Llc Div Lovejoy, classified under FSC 3010 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3010-00-035-7834?

NSN 3010-00-035-7834 has 9 cross-referenced part numbers: 448-0021-650 (Lovejoy, Llc Div Lovejoy), L075 SOX (Lovejoy, Llc Div Lovejoy), 448-0021-650 (Aurora Pump a Unit of General Signal Corp), 2X814 (W.w. Grainger, Inc. Div Government Sales Division), L-075-SOX-SINTE (Lovejoy, Llc Div Lovejoy) and 4 more.

What NSN replaces 3010-00-035-7834?

There are 7 known substitutes for 3010-00-035-7834: 3010-00-067-3551, 5975-00-167-2422, 3010-00-822-2080 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 448-0021-650?

Key specifications for 448-0021-650: Overall Outside Diameter: 1.750 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC; Lug Quantity: 6; Special Features: LAMINATED CONSTRUCTION FEATURE-NOT INCL.;HUB THK 0.250 IN.;MATL-RUBBER BUNA-N IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3010-00-035-7834 still in active supply?

NSN 3010-00-035-7834 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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