PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2143Coupling,shaft,flexible

Entron Industries Limited Partnership Dba Entron Industries Property Div · NSN 3010-00-726-8496 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-726-8496 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-726-8496. Primary manufacturer part number: 2143.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Design Type: INSULATOR W/SPRING ACTION
  • Bore Shape: STRAIGHT BOTH ENDS
  • Bore Diameter: 0.2500 INCHES NOMINAL BOTH ENDS IN
  • Threaded Hole Quantity: 2 BOTH ENDS
  • Securing Method: THREADED HOLE(S) BOTH ENDS
  • Outside Diameter: 1.250 INCHES NOMINAL IN
  • Bore Length: 0.2500 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 3010-00-726-8496, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Entron Industries Limited Partnership Dba Entron Industries Property Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3010-00-726-8496
Primary Part Number2143
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerEntron Industries Limited Partnership Dba Entron Industries Property Div
StatusCANCELLED
Design TypeINSULATOR W/SPRING ACTION
Bore ShapeSTRAIGHT BOTH ENDS
Bore Diameter0.2500 INCHES NOMINAL BOTH ENDS IN
Threaded Hole Quantity2 BOTH ENDS
Securing MethodTHREADED HOLE(S) BOTH ENDS
Outside Diameter1.250 INCHES NOMINAL IN
Bore Length0.2500 INCHES NOMINAL BOTH ENDS IN
Threaded Hole LocationBOTH ENDS: CENTERED 0.125 IN. FROM END OF HUB, 90 DEG APART IN
Insulator MaterialCERAMIC
Thread Size DesignatorN0.6-32 BOTH ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5805-00-073-8571 INTERCHANGEABLE
Pin,roller
4730-00-237-012841098 INTERCHANGEABLE
Elbow,pipe
Walker Mfg Co
5940-00-258-8810410-GP-10 INTERCHANGEABLE
Terminal Board
Regal Beloit America, Inc
5940-00-474-9863 INTERCHANGEABLE
Terminal Board
5950-00-496-3801732164-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
3010-00-537-1776FC463 INTERCHANGEABLE
Coupling,shaft,flexible
Consolidated International Corp
5940-00-946-2438410JJ10 INTERCHANGEABLE
Terminal Board
Regal Beloit America, Inc
7510-01-351-2078 INTERCHANGEABLE
Binding Element,plastic
5895-01-456-6639A-LFT-305 INTERCHANGEABLE
Switch,electronic
Schroeder Industries Llc
6515-01-503-848041010 INTERCHANGEABLE
Forceps,bi-Polar Cutting
Covidien Sales Llc Dba Covidien Sales
Cross-Reference Index
Part NumberManufacturer
FC46S Pax Mfg Corp Hammarlund Mfg Co Div (USA)
FC46S Oak Crystal Inc (USA)
D5-7-62 Dumont Airplane and Marine Instruments Inc (USA)
7124546-2 General Electric Company (USA)
810168-3 American Telephone and Telegraph Co (USA)
666097-619 Navcom Defense Electronics, Inc. (USA)
CUP1ISSUEA Federal Div of Victoreen Instrument Co Inc (USA)
212-1010P1 Raytheon Company (USA)
2143 PRIMARY Entron Industries Limited Partnership Dba Entron Industries Property Div (USA)
029-100110 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
410-10 Pax Mfg Corp Hammarlund Mfg Co Div (USA)
212-1010P1 Raytheon Company Dba Raytheon Co (USA)
212-1010P1 Raytheon Company Div Corp (USA)
9167601 Us Army Aviation and Missile Command (USA)
140-262 Viking Technologies, Ltd. (USA)
71245462 General Electric Company (USA)
7124546P2 Lockheed Martin Corporation Div Rms (USA)
7124546P2 General Electric Company (USA)
810168-1 American Telephone and Telegraph Co (USA)
FC46S PRIMARY Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
Related Parts
5805-00-073-8571INTERCHANGEABLE
PIN,ROLLER
4730-00-237-0128INTERCHANGEABLE
ELBOW,PIPE
41098
5940-00-258-8810INTERCHANGEABLE
TERMINAL BOARD
410-GP-10
5940-00-474-9863INTERCHANGEABLE
TERMINAL BOARD
5950-00-496-3801INTERCHANGEABLE
TRANSFORMER,POWER
732164-1
3010-00-537-1776INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
FC463
5940-00-946-2438INTERCHANGEABLE
TERMINAL BOARD
410JJ10
7510-01-351-2078INTERCHANGEABLE
BINDING ELEMENT,PLASTIC
5895-01-456-6639INTERCHANGEABLE
SWITCH,ELECTRONIC
A-LFT-305
6515-01-503-8480INTERCHANGEABLE
FORCEPS,BI-POLAR CUTTING
41010
6665-01-588-0299INTERCHANGEABLE
INDICATOR TUBE,GAS
81 01 681

Frequently Asked Questions

What is NSN 3010-00-726-8496?

NSN 3010-00-726-8496 is a Coupling,shaft,flexible, manufactured by Entron Industries Limited Partnership Dba Entron Industries Property Div, classified under FSC 3010 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3010-00-726-8496?

NSN 3010-00-726-8496 has 21 cross-referenced part numbers: FC46S (Pax Mfg Corp Hammarlund Mfg Co Div), FC46S (Oak Crystal Inc), D5-7-62 (Dumont Airplane and Marine Instruments Inc), 7124546-2 (General Electric Company), 810168-3 (American Telephone and Telegraph Co) and 16 more.

What NSN replaces 3010-00-726-8496?

There are 11 known substitutes for 3010-00-726-8496: 5805-00-073-8571, 4730-00-237-0128, 5940-00-258-8810 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2143?

Key specifications for 2143: Design Type: INSULATOR W/SPRING ACTION; Bore Shape: STRAIGHT BOTH ENDS; Bore Diameter: 0.2500 INCHES NOMINAL BOTH ENDS IN; Threaded Hole Quantity: 2 BOTH ENDS. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3010-00-726-8496 still in active supply?

NSN 3010-00-726-8496 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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