PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4501-3FCoupling,shaft,flexible

Rexnord Industries Llc · NSN 3010-00-253-9807 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-253-9807 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-253-9807. Primary manufacturer part number: 4501-3F.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Bore Length: 1.6250 INCHES NOMINAL FIRST END IN
  • Features Provided: EXPOSED COUPLING BOLT TYPE AND VERTICAL GRID SPRING AND SHROUDED COUPLING BOLT TYPE
  • Bore Shape: ROUGH STOCK BOTH ENDS
  • Design Type: GRID SPRING
  • Bore Diameter: 1.0000 INCHES NOMINAL BOTH ENDS IN
  • Outside Diameter: 3.750 INCHES NOMINAL IN
  • 4 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-253-9807, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-00-253-9807
Primary Part Number4501-3F
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerRexnord Industries Llc
StatusACTIVE
Bore Length1.6250 INCHES NOMINAL FIRST END IN
Features ProvidedEXPOSED COUPLING BOLT TYPE AND VERTICAL GRID SPRING AND SHROUDED COUPLING BOLT TYPE
Bore ShapeROUGH STOCK BOTH ENDS
Design TypeGRID SPRING
Bore Diameter1.0000 INCHES NOMINAL BOTH ENDS IN
Outside Diameter3.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3010-01-063-21951020T20 RSB INTERCHANGEABLE
Coupling,shaft,flexible
Rexnord Industries Llc
Cross-Reference Index
Part NumberManufacturer
T20-SIZE20T Rexnord Industries Llc (USA)
1020T20 Rexnord Industries Llc (USA)
801814-3F Rexnord Industries Llc (USA)
4501-3F PRIMARY Rexnord Industries Llc (USA)
Related Parts
3010-01-063-2195INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
1020T20 RSB

Frequently Asked Questions

What is NSN 3010-00-253-9807?

NSN 3010-00-253-9807 is a Coupling,shaft,flexible, manufactured by Rexnord Industries Llc, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-253-9807?

NSN 3010-00-253-9807 has 4 cross-referenced part numbers: T20-SIZE20T (Rexnord Industries Llc), 1020T20 (Rexnord Industries Llc), 801814-3F (Rexnord Industries Llc), 4501-3F (Rexnord Industries Llc).

What NSN replaces 3010-00-253-9807?

There is 1 known substitute for 3010-00-253-9807: 3010-01-063-2195. Verify interchangeability with system specifications before substitution.

What are the specifications of 4501-3F?

Key specifications for 4501-3F: Bore Length: 1.6250 INCHES NOMINAL FIRST END IN; Overall Length: 3.375 INCHES NOMINAL IN; Features Provided: EXPOSED COUPLING BOLT TYPE AND VERTICAL GRID SPRING AND SHROUDED COUPLING BOLT TYPE; Bore Shape: ROUGH STOCK BOTH ENDS. 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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