PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14407MB2Relay Assembly

Cowles Operating Company Dba Carlin Combustion Technology Div Carlin Combustion Technologies · NSN 5945-01-698-5138 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-698-5138 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-698-5138. Primary manufacturer part number: 14407MB2.
Features
  • Relay Assembly — FSC 5945
  • Identifying Number: MB2GUNASM DRAWING NO.
  • Individual Relay Quantity: 1
  • 2 verified cross-references
  • Primary manufacturer: Cowles Operating Company Dba Carlin Combustion Technology Div Carlin Combustion Technologies
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay Assembly, cataloged under National Stock Number 5945-01-698-5138, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Cowles Operating Company Dba Carlin Combustion Technology Div Carlin Combustion Technologies. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-698-5138
Primary Part Number14407MB2
Item NameRelay Assembly
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerCowles Operating Company Dba Carlin Combustion Technology Div Carlin Combustion Technologies
StatusACTIVE
Identifying NumberMB2GUNASM DRAWING NO.
Individual Relay Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4530-01-698-3904MB2GUNASM INTERCHANGEABLE
Burner,gas,heating
Cowles Operating Company Dba Carlin Combustion Technology Div Carlin Combustion Technologies
5995-01-698-502351031 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cowles Operating Company Dba Carlin Combustion Technology Div Carlin Combustion Technologies
5995-01-698-519451032 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cowles Operating Company Dba Carlin Combustion Technology Div Carlin Combustion Technologies
Cross-Reference Index
Part NumberManufacturer
MB2GUNASM Cowles Operating Company Dba Carlin Combustion Technology Div Carlin Combustion Technologies (USA)
14407MB2 PRIMARY Cowles Operating Company Dba Carlin Combustion Technology Div Carlin Combustion Technologies (USA)
Related Parts
4530-01-698-3904INTERCHANGEABLE
BURNER,GAS,HEATING
MB2GUNASM
5995-01-698-5023INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
51031
5995-01-698-5194INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
51032

Frequently Asked Questions

What is NSN 5945-01-698-5138?

NSN 5945-01-698-5138 is a Relay Assembly, manufactured by Cowles Operating Company Dba Carlin Combustion Technology Div Carlin Combustion Technologies, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-698-5138?

NSN 5945-01-698-5138 has 2 cross-referenced part numbers: MB2GUNASM (Cowles Operating Company Dba Carlin Combustion Technology Div Carlin Combustion Technologies), 14407MB2 (Cowles Operating Company Dba Carlin Combustion Technology Div Carlin Combustion Technologies).

What NSN replaces 5945-01-698-5138?

There are 3 known substitutes for 5945-01-698-5138: 4530-01-698-3904, 5995-01-698-5023, 5995-01-698-5194. Verify interchangeability with system specifications before substitution.

What are the specifications of 14407MB2?

Key specifications for 14407MB2: Identifying Number: MB2GUNASM DRAWING NO.; Individual Relay Quantity: 1; Part Name Assigned by Controlling Agency: CAD CELL & LEAD ASSY HT SHRINK; End Item Identification: 4530-01-673-1755. 4 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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