PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SG2178PC13Coupling,shaft,flexible

Circor Pumps North America Llc · NSN 3010-00-174-5633 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-174-5633 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-174-5633. Primary manufacturer part number: SG2178PC13.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Design Type: INSERT
  • Outside Diameter: 2.125 INCHES NOMINAL IN
  • 12 verified cross-references
  • Primary manufacturer: Circor Pumps North America 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 3010-00-174-5633, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Circor Pumps North America Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-00-174-5633
Primary Part NumberSG2178PC13
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerCircor Pumps North America Llc
StatusACTIVE
Design TypeINSERT
Outside Diameter2.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3455-00-194-055058-10071 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5342-00-200-3757K7107441REV2PT1 INTERCHANGEABLE
Mount,resilient,weapon System
General Electric Company
5365-00-829-0965B3-21 INTERCHANGEABLE
Spacer,ring
Roller Bearing Co of America, Inc Div Pic Design
4140-00-829-87650691-7 INTERCHANGEABLE
Fan,centrifugal
Lockheed Martin Corporation Div Rms - Mitchel Field
5955-01-029-70442891660-1 INTERCHANGEABLE
Crystal Unit,quartz
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6850-01-051-0581B321 INTERCHANGEABLE
Cleaning Compound,optical Lens
U S Dept of Transportation Federal Aviation Administration
Cross-Reference Index
Part NumberManufacturer
3N46PC1061 Alfa Laval Inc. (USA)
SG2176PC13 Siemens Energy, Inc. (USA)
SG2178PC13 PRIMARY Circor Pumps North America Llc (USA)
B321R0UGH PRIMARY Charles Bond Company Dba Christiana Machine Company (USA)
SG2176PC13 PRIMARY Circor Pumps North America Llc (USA)
8AA41 Alfa Laval Inc. (USA)
8AA41 5/8 X 3/4 Charles Bond Company Dba Christiana Machine Company (USA)
B32V Alfa Laval Inc. (USA)
B321 5/8 X 3/4I Charles Bond Company Dba Christiana Machine Company (USA)
SG2178PC13 Siemens Energy, Inc. (USA)
3N101PC1061 Alfa Laval Inc. (USA)
B321 PRIMARY Charles Bond Company Dba Christiana Machine Company (USA)
Related Parts
3455-00-194-0550INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10071
5342-00-200-3757INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
K7107441REV2PT1
5365-00-829-0965INTERCHANGEABLE
SPACER,RING
B3-21
4140-00-829-8765INTERCHANGEABLE
FAN,CENTRIFUGAL
0691-7
5955-01-029-7044INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
2891660-1
6850-01-051-0581INTERCHANGEABLE
CLEANING COMPOUND,OPTICAL LENS
B321

Frequently Asked Questions

What is NSN 3010-00-174-5633?

NSN 3010-00-174-5633 is a Coupling,shaft,flexible, manufactured by Circor Pumps North America Llc, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-174-5633?

NSN 3010-00-174-5633 has 12 cross-referenced part numbers: 3N46PC1061 (Alfa Laval Inc.), SG2176PC13 (Siemens Energy, Inc.), SG2178PC13 (Circor Pumps North America Llc), B321R0UGH (Charles Bond Company Dba Christiana Machine Company), SG2176PC13 (Circor Pumps North America Llc) and 7 more.

What NSN replaces 3010-00-174-5633?

There are 6 known substitutes for 3010-00-174-5633: 3455-00-194-0550, 5342-00-200-3757, 5365-00-829-0965 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SG2178PC13?

Key specifications for SG2178PC13: Design Type: INSERT; Overall Length: 2.375 INCHES NOMINAL IN; Outside Diameter: 2.125 INCHES NOMINAL IN. 3 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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