PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30748ACoupling,shaft,flexible

Rexnord Industries, Llc Div Couplings Division · NSN 3010-00-244-7922 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-244-7922 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-244-7922. Primary manufacturer part number: 30748A.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Outside Diameter: 9.500 INCHES NOMINAL IN
  • Bore Length: 3.0000 INCHES NOMINAL BOTH ENDS IN
  • Design Type: SPRING WASHER
  • Features Provided: EXPOSED COUPLING BOLT TYPE
  • Bore Diameter: 3.5000 INCHES NOMINAL BOTH ENDS IN
  • Bore Shape: ROUGH STOCK BOTH ENDS
  • 1 verified cross-reference
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-244-7922, 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 Div Couplings Division. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN3010-00-244-7922
Primary Part Number30748A
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerRexnord Industries, Llc Div Couplings Division
StatusACTIVE
Outside Diameter9.500 INCHES NOMINAL IN
Bore Length3.0000 INCHES NOMINAL BOTH ENDS IN
Design TypeSPRING WASHER
Features ProvidedEXPOSED COUPLING BOLT TYPE
Bore Diameter3.5000 INCHES NOMINAL BOTH ENDS IN
Bore ShapeROUGH STOCK BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3040-00-250-1978700011 INTERCHANGEABLE
Cylinder,coupling
Twiflex Ltd
Cross-Reference Index
Part NumberManufacturer
30748A PRIMARY Rexnord Industries, Llc Div Couplings Division (USA)
Related Parts
3040-00-250-1978INTERCHANGEABLE
CYLINDER,COUPLING
700011

Frequently Asked Questions

What is NSN 3010-00-244-7922?

NSN 3010-00-244-7922 is a Coupling,shaft,flexible, manufactured by Rexnord Industries, Llc Div Couplings Division, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-244-7922?

NSN 3010-00-244-7922 has 1 cross-referenced part number: 30748A (Rexnord Industries, Llc Div Couplings Division).

What NSN replaces 3010-00-244-7922?

There is 1 known substitute for 3010-00-244-7922: 3040-00-250-1978. Verify interchangeability with system specifications before substitution.

What are the specifications of 30748A?

Key specifications for 30748A: Outside Diameter: 9.500 INCHES NOMINAL IN; Bore Length: 3.0000 INCHES NOMINAL BOTH ENDS IN; Design Type: SPRING WASHER; Features Provided: EXPOSED COUPLING BOLT TYPE. 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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