PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-340Coupling,shaft,flexible

Charles Bond Company Dba Christiana Machine Company · NSN 3010-01-175-7026 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-01-175-7026 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-175-7026. Primary manufacturer part number: B-340.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Bore Shape: STRAIGHT FIRST END
  • Outside Diameter: 4.000 INCHES NOMINAL IN
  • Bore Diameter: 1.1250 INCHES NOMINAL SECOND END IN
  • Bore Length: 2.0000 INCHES NOMINAL SECOND END IN
  • Design Type: INSERT
  • Bore Shape: STRAIGHT SECOND END
  • Keyway Width: 0.375 INCHES NOMINAL FIRST END IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-175-7026, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Charles Bond Company Dba Christiana Machine Company. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN3010-01-175-7026
Primary Part NumberB-340
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerCharles Bond Company Dba Christiana Machine Company
StatusACTIVE
Bore ShapeSTRAIGHT FIRST END
Outside Diameter4.000 INCHES NOMINAL IN
Bore Diameter1.1250 INCHES NOMINAL SECOND END IN
Bore Length2.0000 INCHES NOMINAL SECOND END IN
Design TypeINSERT
Bore ShapeSTRAIGHT SECOND END
Keyway Width0.375 INCHES NOMINAL FIRST END IN
Keyway Depth0.1562 INCHES NOMINAL SECOND END IN
Insert MaterialRUBBER SYNTHETIC
Bore Length2.0000 INCHES NOMINAL FIRST END IN
Keyway Width0.312 INCHES NOMINAL SECOND END IN
Features ProvidedKEYWAY
Keyway Depth0.1875 INCHES NOMINAL FIRST END IN
Bore Diameter1.6250 INCHES NOMINAL FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4120-00-242-4839ES330C/845A INTERCHANGEABLE
Cooler,air,evaporative
Adobeair Inc.
5310-00-616-6061B340 INTERCHANGEABLE
Washer,lock
Simmons Fastener Corp an Amfast Corp
4820-01-160-2226 INTERCHANGEABLE
Valve,check
5925-01-464-5332B340 INTERCHANGEABLE
Circuit Breaker
Siemens Energy and Automation Inc Ite Circuit Protection Div
7025-01-486-1525B340 INTERCHANGEABLE
Keyboard,data Entry
Lockheed Martin Corporation Div Rms - Manassas
4820-01-617-1520B340 INTERCHANGEABLE
Valve,ball
Belimo Aircontrols (usa), Inc. Dba Belimo Aircontrols Usa Inc
Cross-Reference Index
Part NumberManufacturer
FC-2803-GPC12 Colliflower, Inc. Dba Colliflower Inc (USA)
B-340 PRIMARY Charles Bond Company Dba Christiana Machine Company (USA)
Related Parts
4120-00-242-4839INTERCHANGEABLE
COOLER,AIR,EVAPORATIVE
ES330C/845A
5310-00-616-6061INTERCHANGEABLE
WASHER,LOCK
B340
4820-01-160-2226INTERCHANGEABLE
VALVE,CHECK
5925-01-464-5332INTERCHANGEABLE
CIRCUIT BREAKER
B340
7025-01-486-1525INTERCHANGEABLE
KEYBOARD,DATA ENTRY
B340
4820-01-617-1520INTERCHANGEABLE
VALVE,BALL
B340

Frequently Asked Questions

What is NSN 3010-01-175-7026?

NSN 3010-01-175-7026 is a Coupling,shaft,flexible, manufactured by Charles Bond Company Dba Christiana Machine Company, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-01-175-7026?

NSN 3010-01-175-7026 has 2 cross-referenced part numbers: FC-2803-GPC12 (Colliflower, Inc. Dba Colliflower Inc), B-340 (Charles Bond Company Dba Christiana Machine Company).

What NSN replaces 3010-01-175-7026?

There are 6 known substitutes for 3010-01-175-7026: 4120-00-242-4839, 5310-00-616-6061, 4820-01-160-2226 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B-340?

Key specifications for B-340: Bore Shape: STRAIGHT FIRST END; Outside Diameter: 4.000 INCHES NOMINAL IN; Bore Diameter: 1.1250 INCHES NOMINAL SECOND END IN; Bore Length: 2.0000 INCHES NOMINAL SECOND END IN. 15 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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