PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5740Coupler,directional

Cobham Advanced Electronic Solutions Inc. · NSN 5985-00-136-4027 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-136-4027 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-136-4027. Primary manufacturer part number: 5740.
Features
  • Coupler,directional — FSC 5985
  • Usage Design: MAIN LINE TERMINAL FITTING
  • Design Type: UNIDIRECTIONAL
  • Unit Type: TRANSMISSION LINE
  • Terminal Fitting Controlling Agency: AN
  • Identifying Number: TERMINAL FITTING TYPE BNC
  • 4 verified cross-references
  • Primary manufacturer: Cobham Advanced Electronic Solutions Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,directional, cataloged under National Stock Number 5985-00-136-4027, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Cobham Advanced Electronic Solutions Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-136-4027
Primary Part Number5740
Item NameCoupler,directional
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerCobham Advanced Electronic Solutions Inc.
StatusACTIVE
Usage DesignMAIN LINE TERMINAL FITTING
Design TypeUNIDIRECTIONAL
Unit TypeTRANSMISSION LINE
Terminal Fitting Controlling AgencyAN
Identifying NumberTERMINAL FITTING TYPE BNC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6640-00-052-7881 INTERCHANGEABLE
Clamp,utility,laboratory
3110-00-158-6195 INTERCHANGEABLE
Bearing,ball,thrust
5305-00-286-36465740 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
5330-00-383-8709MS18610 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5305-00-407-8559347-0104-000 INTERCHANGEABLE
Screw,machine
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
7920-00-530-574045507 INTERCHANGEABLE
Squeegee
Weiler Corporation
5950-00-601-62755740 INTERCHANGEABLE
Transformer,pulse
Pulse Engineering Inc
5133-00-839-545531113 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
5133-00-841-85914322-0147 INTERCHANGEABLE
Drill,twist
New York Twist Drill Inc
5133-00-841-859640737 INTERCHANGEABLE
Drill,twist
New York Twist Drill Inc
Cross-Reference Index
Part NumberManufacturer
5740 Cobham Advanced Electronic Solutions Inc. (USA)
2023-4001-03 Tyco Electronics Corp (USA)
2023-4001 Cobham Advanced Electronic Solutions Inc. (USA)
580R606H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
6640-00-052-7881INTERCHANGEABLE
CLAMP,UTILITY,LABORATORY
3110-00-158-6195INTERCHANGEABLE
BEARING,BALL,THRUST
5305-00-286-3646INTERCHANGEABLE
SCREW,MACHINE
5740
5330-00-383-8709INTERCHANGEABLE
GASKET
MS18610
5305-00-407-8559INTERCHANGEABLE
SCREW,MACHINE
347-0104-000
7920-00-530-5740INTERCHANGEABLE
SQUEEGEE
45507
5950-00-601-6275INTERCHANGEABLE
TRANSFORMER,PULSE
5740
5133-00-839-5455INTERCHANGEABLE
DRILL,TWIST
31113
5133-00-841-8591INTERCHANGEABLE
DRILL,TWIST
4322-0147
5133-00-841-8596INTERCHANGEABLE
DRILL,TWIST
40737
5133-00-841-8617INTERCHANGEABLE
DRILL,TWIST
5133-00-841-8622INTERCHANGEABLE
DRILL,TWIST
40726

Frequently Asked Questions

What is NSN 5985-00-136-4027?

NSN 5985-00-136-4027 is a Coupler,directional, manufactured by Cobham Advanced Electronic Solutions Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-136-4027?

NSN 5985-00-136-4027 has 4 cross-referenced part numbers: 5740 (Cobham Advanced Electronic Solutions Inc.), 2023-4001-03 (Tyco Electronics Corp), 2023-4001 (Cobham Advanced Electronic Solutions Inc.), 580R606H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5985-00-136-4027?

There are 12 known substitutes for 5985-00-136-4027: 6640-00-052-7881, 3110-00-158-6195, 5305-00-286-3646 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5740?

Key specifications for 5740: Usage Design: MAIN LINE TERMINAL FITTING; Design Type: UNIDIRECTIONAL; Unit Type: TRANSMISSION LINE; Overall Depth: 0.370 INCHES NOMINAL IN. 8 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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