PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1040T20RSBCoupling,shaft,flexible

Rexnord Industries Llc · NSN 3010-00-239-3441 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-239-3441 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-239-3441. Primary manufacturer part number: 1040T20RSB.
Features
  • Coupling,shaft,flexible — FSC 3010
  • 21 verified cross-references
  • Primary manufacturer: Rexnord Industries Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-239-3441, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Rexnord Industries Llc. This item has 21 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameCoupling,shaft,flexible
FSC / FSG3010 — No Item Name Available (FSG 30)
ManufacturersRexnord Industries Llc (CAGE 21444); Bae Systems Land & Armaments L.p. (CAGE 44114); Emerson Electric Co Browning Mfg Div (CAGE 71176); Eaton Aerospace, Llc Dba Jackson South (CAGE 62983); Circor Naval Solutions Llc Dba Warren Pumps (CAGE 63857)
Technical Specifications
ParameterValue
NSN3010-00-239-3441
Primary Part Number1040T20RSB
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerRexnord Industries Llc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3446-00-163-9751 INTERCHANGEABLE
Swaging Machine,rotary,electric
5940-00-228-7912 INTERCHANGEABLE
Splice,conductor
5905-00-295-56406F INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Memcor Inc
3460-00-406-86386F INTERCHANGEABLE
Wheel,abrasive
Cratex Manufacturing Co Inc
3441-00-528-9062 INTERCHANGEABLE
Shrinking and Stretching Machine
4720-00-922-51306MX INTERCHANGEABLE
Hose,nonmetallic
Parker-Hannifin Corporation Dba Industrial Hose Product Division Div Hose Products Division
5330-00-997-0114247668 INTERCHANGEABLE
Seal
Rexnord Industries Llc
3010-01-203-87721040T10 1-5/8IN.BORE INTERCHANGEABLE
Coupling,shaft,flexible
Rexnord Industries Llc
3010-01-205-2170777509 INTERCHANGEABLE
Coupling,shaft,rigid
Rexnord Industries Llc
3010-01-215-88511193352 INTERCHANGEABLE
Gridmember,coupling
Rexnord Industries Llc
Cross-Reference Index
Part NumberManufacturer
1040T20RB Rexnord Industries Llc (USA)
6F Bae Systems Land & Armaments L.p. (USA)
40T20RB Rexnord Industries Llc (USA)
505950 COUPLING 520 1040T Rexnord Industries Llc (USA)
GF2040V Emerson Electric Co Browning Mfg Div (USA)
4601-6F Eaton Aerospace, Llc Dba Jackson South (USA)
505950 Rexnord Industries Llc (USA)
672B0144 Circor Naval Solutions Llc Dba Warren Pumps (USA)
672B0143 Circor Naval Solutions Llc Dba Warren Pumps (USA)
1040T20RSB PRIMARY Rexnord Industries Llc (USA)
6F Rexnord Industries Llc (USA)
672Z0147 Circor Naval Solutions Llc Dba Warren Pumps (USA)
CA16156 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
214-01-155 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
5100S4700-470147PC6F Naval Sea Systems Command (USA)
T20 1040T Rexnord Industries Llc (USA)
4501-6F Rexnord Industries Llc (USA)
6FSTD Rexnord Industries Llc (USA)
CA16156 PC-68 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
5100S4700-470147PC6F Naval Ship Systems Command (USA)
Related Parts
3446-00-163-9751INTERCHANGEABLE
SWAGING MACHINE,ROTARY,ELECTRIC
5940-00-228-7912INTERCHANGEABLE
SPLICE,CONDUCTOR
5905-00-295-5640INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
6F
3460-00-406-8638INTERCHANGEABLE
WHEEL,ABRASIVE
6F
3441-00-528-9062INTERCHANGEABLE
SHRINKING AND STRETCHING MACHINE
4720-00-922-5130INTERCHANGEABLE
HOSE,NONMETALLIC
6MX
5330-00-997-0114INTERCHANGEABLE
SEAL
247668
3010-01-203-8772INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
1040T10 1-5/8IN.BORE
3010-01-205-2170INTERCHANGEABLE
COUPLING,SHAFT,RIGID
777509
3010-01-215-8851INTERCHANGEABLE
GRIDMEMBER,COUPLING
1193352
3010-01-218-3031INTERCHANGEABLE
HUB,COUPLING,FLEXIBLE
246657
3010-01-232-8962INTERCHANGEABLE
HUB,COUPLING,FLEXIBLE
1090T10-3

Frequently Asked Questions

What is NSN 3010-00-239-3441?

NSN 3010-00-239-3441 is a Coupling,shaft,flexible, manufactured by Rexnord Industries Llc, classified under FSC 3010 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3010-00-239-3441?

NSN 3010-00-239-3441 has 21 cross-referenced part numbers: 1040T20RB (Rexnord Industries Llc), 6F (Bae Systems Land & Armaments L.p.), 40T20RB (Rexnord Industries Llc), 505950 COUPLING 520 1040T (Rexnord Industries Llc), GF2040V (Emerson Electric Co Browning Mfg Div) and 16 more.

What NSN replaces 3010-00-239-3441?

There are 12 known substitutes for 3010-00-239-3441: 3446-00-163-9751, 5940-00-228-7912, 5905-00-295-5640 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 3010-00-239-3441 still in active supply?

NSN 3010-00-239-3441 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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