PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1040T10 1-5/8IN.BORECoupling,shaft,flexible

Rexnord Industries Llc · NSN 3010-01-203-8772 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-01-203-8772 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-203-8772. Primary manufacturer part number: 1040T10 1-5/8IN.BORE.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Outside Diameter: 4.625 INCHES NOMINAL IN
  • Bore Shape: STRAIGHT BOTH ENDS
  • Bore Length: 2.0000 INCHES NOMINAL BOTH ENDS IN
  • Features Provided: KEYWAY AND TAPERED GRID SPRING
  • Keyway Depth: 0.3750 INCHES NOMINAL BOTH ENDS IN
  • Bore Diameter: 1.6250 INCHES NOMINAL BOTH ENDS IN
  • Design Type: GRID SPRING
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-203-8772, 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. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3010-01-203-8772
Primary Part Number1040T10 1-5/8IN.BORE
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerRexnord Industries Llc
StatusCANCELLED
Outside Diameter4.625 INCHES NOMINAL IN
Bore ShapeSTRAIGHT BOTH ENDS
Bore Length2.0000 INCHES NOMINAL BOTH ENDS IN
Features ProvidedKEYWAY AND TAPERED GRID SPRING
Keyway Depth0.3750 INCHES NOMINAL BOTH ENDS IN
Bore Diameter1.6250 INCHES NOMINAL BOTH ENDS IN
Design TypeGRID SPRING
Keying Facility TypeKEYWAY BOTH ENDS
Keyway Width0.375 INCHES NOMINAL BOTH ENDS IN
Keying Facility Quantity1 BOTH ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3010-00-239-34411040T20RSB INTERCHANGEABLE
Coupling,shaft,flexible
Rexnord Industries Llc
5310-00-655-6534876105-017 INTERCHANGEABLE
Nut,plain,assembled Washer
Lockheed Martin Corporation Div Rms - Mitchel Field
5330-00-997-0114247668 INTERCHANGEABLE
Seal
Rexnord Industries Llc
3010-01-205-2170777509 INTERCHANGEABLE
Coupling,shaft,rigid
Rexnord Industries Llc
3010-01-215-88511193352 INTERCHANGEABLE
Gridmember,coupling
Rexnord Industries Llc
3010-01-218-3031246657 INTERCHANGEABLE
Hub,coupling,flexible
Rexnord Industries Llc
3010-01-232-89621090T10-3 INTERCHANGEABLE
Hub,coupling,flexible
Rexnord Industries Llc
3010-01-258-5157006294 INTERCHANGEABLE
Hub,coupling,flexible
Reliance Electric Company Dba Reliance & Dodge Brands
3010-01-275-43141193360 INTERCHANGEABLE
Gridmember,coupling
Rexnord Industries Llc
3010-01-277-76520762813 INTERCHANGEABLE
Gridmember,coupling
Rexnord Industries Llc
Cross-Reference Index
Part NumberManufacturer
40T10 Rexnord Industries Llc (USA)
505950 Rexnord Industries Llc (USA)
40T10 1-5/8IN.BORE Rexnord Industries Llc (USA)
40T10 R0UGH Rexnord Industries Llc (USA)
T10-40T Rexnord Industries Llc (USA)
1040T10 1-5/8IN.BORE PRIMARY Rexnord Industries Llc (USA)
GF2040H 1-5/8 IN. BORE Emerson Electric Co Browning Mfg Div (USA)
505950-T10-40T Rexnord Industries Llc (USA)
Related Parts
3010-00-239-3441INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
1040T20RSB
5310-00-655-6534INTERCHANGEABLE
NUT,PLAIN,ASSEMBLED WASHER
876105-017
5330-00-997-0114INTERCHANGEABLE
SEAL
247668
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
3010-01-258-5157INTERCHANGEABLE
HUB,COUPLING,FLEXIBLE
006294
3010-01-275-4314INTERCHANGEABLE
GRIDMEMBER,COUPLING
1193360
3010-01-277-7652INTERCHANGEABLE
GRIDMEMBER,COUPLING
0762813
3010-01-285-9643INTERCHANGEABLE
HUB,COUPLING,FLEXIBLE
246663
3010-01-340-1599INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
1070T20 2 1/2 IN. BORE

Frequently Asked Questions

What is NSN 3010-01-203-8772?

NSN 3010-01-203-8772 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 3010-01-203-8772?

NSN 3010-01-203-8772 has 8 cross-referenced part numbers: 40T10 (Rexnord Industries Llc), 505950 (Rexnord Industries Llc), 40T10 1-5/8IN.BORE (Rexnord Industries Llc), 40T10 R0UGH (Rexnord Industries Llc), T10-40T (Rexnord Industries Llc) and 3 more.

What NSN replaces 3010-01-203-8772?

There are 12 known substitutes for 3010-01-203-8772: 3010-00-239-3441, 5310-00-655-6534, 5330-00-997-0114 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1040T10 1-5/8IN.BORE?

Key specifications for 1040T10 1-5/8IN.BORE: Outside Diameter: 4.625 INCHES NOMINAL IN; Bore Shape: STRAIGHT BOTH ENDS; Bore Length: 2.0000 INCHES NOMINAL BOTH ENDS IN; Features Provided: KEYWAY AND TAPERED GRID SPRING. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3010-01-203-8772 still in active supply?

NSN 3010-01-203-8772 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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