PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

777509Coupling,shaft,rigid

Rexnord Industries Llc · NSN 3010-01-205-2170 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-01-205-2170 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-205-2170. Primary manufacturer part number: 777509.
Features
  • Coupling,shaft,rigid — FSC 3010
  • Body Material: STEEL
  • Style Designator: PLAIN SLEEVE
  • Overall Diameter: 1.938 INCHES NOMINAL IN
  • Bore Length: 3.750 INCHES NOMINAL FIRST END IN
  • Bore Diameter: 1.625 INCHES NOMINAL FIRST END IN
  • Bore Shape: STRAIGHT FIRST END
  • 4 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-205-2170, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-01-205-2170
Primary Part Number777509
Item NameCoupling,shaft,rigid
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerRexnord Industries Llc
StatusACTIVE
Body MaterialSTEEL
Style DesignatorPLAIN SLEEVE
Overall Diameter1.938 INCHES NOMINAL IN
Bore Length3.750 INCHES NOMINAL FIRST END IN
Bore Diameter1.625 INCHES NOMINAL FIRST END IN
Bore ShapeSTRAIGHT FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-116-0232324797 INTERCHANGEABLE
Gasket
Alemite, Llc Dba Skf Usa Inc.
3010-00-239-34411040T20RSB INTERCHANGEABLE
Coupling,shaft,flexible
Rexnord Industries Llc
3110-00-905-3781324-797 INTERCHANGEABLE
Bearing,ball,annular
Cmc Electronics Inc
5330-00-997-0114247668 INTERCHANGEABLE
Seal
Rexnord Industries Llc
5998-01-055-9571120073-001 INTERCHANGEABLE
Circuit Card Assembly
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
3010-01-203-87721040T10 1-5/8IN.BORE INTERCHANGEABLE
Coupling,shaft,flexible
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
Cross-Reference Index
Part NumberManufacturer
505950 Rexnord Industries Llc (USA)
505950-30T Rexnord Industries Llc (USA)
777509 PRIMARY Rexnord Industries Llc (USA)
324797 Rexnord Industries Llc (USA)
Related Parts
5330-00-116-0232INTERCHANGEABLE
GASKET
324797
3010-00-239-3441INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
1040T20RSB
3110-00-905-3781INTERCHANGEABLE
BEARING,BALL,ANNULAR
324-797
5330-00-997-0114INTERCHANGEABLE
SEAL
247668
5998-01-055-9571INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
120073-001
3010-01-203-8772INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
1040T10 1-5/8IN.BORE
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

Frequently Asked Questions

What is NSN 3010-01-205-2170?

NSN 3010-01-205-2170 is a Coupling,shaft,rigid, manufactured by Rexnord Industries Llc, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-01-205-2170?

NSN 3010-01-205-2170 has 4 cross-referenced part numbers: 505950 (Rexnord Industries Llc), 505950-30T (Rexnord Industries Llc), 777509 (Rexnord Industries Llc), 324797 (Rexnord Industries Llc).

What NSN replaces 3010-01-205-2170?

There are 12 known substitutes for 3010-01-205-2170: 5330-00-116-0232, 3010-00-239-3441, 3110-00-905-3781 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 777509?

Key specifications for 777509: Overall Length: 3.750 INCHES NOMINAL IN; Body Material: STEEL; Style Designator: PLAIN SLEEVE; Overall Diameter: 1.938 INCHES NOMINAL IN. 7 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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