PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SIZE 50 HTR ELEMENTInsert,flexible Coupling

Lovejoy, Llc Div Lovejoy · NSN 3010-01-230-3971 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-01-230-3971 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-230-3971. Primary manufacturer part number: SIZE 50 HTR ELEMENT.
Features
  • Insert,flexible Coupling — FSC 3010
  • Material: RUBBER
  • 5 verified cross-references
  • Primary manufacturer: Lovejoy, Llc Div Lovejoy
Applications
  • Applications requiring Rubber construction
General Description

The Insert,flexible Coupling, cataloged under National Stock Number 3010-01-230-3971, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-01-230-3971
Primary Part NumberSIZE 50 HTR ELEMENT
Item NameInsert,flexible Coupling
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerLovejoy, Llc Div Lovejoy
StatusACTIVE
MaterialRUBBER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5970-00-311-109353173 INTERCHANGEABLE
Insulator,bushing
Inland Mfg Div of General Motors Corp
5945-00-443-391121721A INTERCHANGEABLE
Relay,electromagnetic
Bradford Vibrators Co the
6105-00-578-62202287-1 INTERCHANGEABLE
Motor,direct Current
Kearfott Corporation Div Guidance and Navigation Division
3120-01-145-91334049256 INTERCHANGEABLE
Bearing Set,sleeve
Chrysler Realty Company Llc Dba Daimler Chrysler
4320-01-280-22292287-1 INTERCHANGEABLE
Housing,bearing Inboard
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5340-01-291-7245 INTERCHANGEABLE
Plug,protective,dust and Moistur
5365-01-321-107922871 INTERCHANGEABLE
Spacer,sleeve
Parker Hannifin Corporation Div Hydraulic Systems Division
6520-01-370-756522871 INTERCHANGEABLE
Resin,restorative,dental
Kerr Corporation
Cross-Reference Index
Part NumberManufacturer
SIZE 50 ELEMENT Lovejoy, Llc Div Lovejoy (USA)
SIZE 50 HTR ELEMENT PRIMARY Lovejoy, Llc Div Lovejoy (USA)
CF50 HTR ELEMENT Lovejoy, Llc Div Lovejoy (USA)
22-871 Lovejoy, Llc Div Lovejoy (USA)
68514438845 Lovejoy, Llc Div Lovejoy (USA)
Related Parts
5970-00-311-1093INTERCHANGEABLE
INSULATOR,BUSHING
53173
5945-00-443-3911INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
21721A
6105-00-578-6220INTERCHANGEABLE
MOTOR,DIRECT CURRENT
2287-1
3120-01-145-9133INTERCHANGEABLE
BEARING SET,SLEEVE
4049256
4320-01-280-2229INTERCHANGEABLE
HOUSING,BEARING INBOARD
2287-1
5340-01-291-7245INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
5365-01-321-1079INTERCHANGEABLE
SPACER,SLEEVE
22871
6520-01-370-7565INTERCHANGEABLE
RESIN,RESTORATIVE,DENTAL
22871

Frequently Asked Questions

What is NSN 3010-01-230-3971?

NSN 3010-01-230-3971 is a Insert,flexible Coupling, manufactured by Lovejoy, Llc Div Lovejoy, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-01-230-3971?

NSN 3010-01-230-3971 has 5 cross-referenced part numbers: SIZE 50 ELEMENT (Lovejoy, Llc Div Lovejoy), SIZE 50 HTR ELEMENT (Lovejoy, Llc Div Lovejoy), CF50 HTR ELEMENT (Lovejoy, Llc Div Lovejoy), 22-871 (Lovejoy, Llc Div Lovejoy), 68514438845 (Lovejoy, Llc Div Lovejoy).

What NSN replaces 3010-01-230-3971?

There are 8 known substitutes for 3010-01-230-3971: 5970-00-311-1093, 5945-00-443-3911, 6105-00-578-6220 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SIZE 50 HTR ELEMENT?

Key specifications for SIZE 50 HTR ELEMENT: Material: RUBBER; End Item Identification: COUPLING SHFT FLEX FIN BORE INSERT TY. 2 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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