PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51011Coupler,directional

Boonton Electronics Corporation Div Boonton Electronics · NSN 5985-01-286-3690 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-286-3690 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-286-3690. Primary manufacturer part number: 51011.
Features
  • Coupler,directional — FSC 5985
  • Unit Type: TRANSMISSION LINE
  • Radio Frequency Rating: 100.0 KILOHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM
  • Design Type: UNIDIRECTIONAL
  • 2 verified cross-references
  • Primary manufacturer: Boonton Electronics Corporation Div Boonton Electronics
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,directional, cataloged under National Stock Number 5985-01-286-3690, 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 Boonton Electronics Corporation Div Boonton Electronics. Government technical data includes 3 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-286-3690
Primary Part Number51011
Item NameCoupler,directional
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerBoonton Electronics Corporation Div Boonton Electronics
StatusACTIVE
Unit TypeTRANSMISSION LINE
Radio Frequency Rating100.0 KILOHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM
Design TypeUNIDIRECTIONAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6625-00-224-243141-4B INTERCHANGEABLE
Detector,radio Frequency
Boonton Electronics Corporation Div Boonton Electronics
5133-00-236-4046 INTERCHANGEABLE
Drill,twist
5895-00-383-274851011 INTERCHANGEABLE
Panel,indicator
Ward Leonard Ct Llc
5360-00-541-7864 INTERCHANGEABLE
Spring,helical,compression
5950-00-754-64269137141 INTERCHANGEABLE
Transformer,power Autotransforme
Us Army Aviation and Missile Command
5935-00-937-2782 INTERCHANGEABLE
Connector,plug,electrical
5330-01-012-2477 INTERCHANGEABLE
Seal,plain Encased
4710-01-131-644851011 INTERCHANGEABLE
Snap Tube
Shaw Development, Llc
5331-01-155-6092 INTERCHANGEABLE
O-Ring
4510-01-195-443451011 INTERCHANGEABLE
Strainer,waste Drain
Nch Corporation Dba Nch Corp
Cross-Reference Index
Part NumberManufacturer
51011-4B(W/1-41-2A CABLE) Boonton Electronics Corporation Div Boonton Electronics (USA)
51011 PRIMARY Boonton Electronics Corporation Div Boonton Electronics (USA)
Related Parts
6625-00-224-2431INTERCHANGEABLE
DETECTOR,RADIO FREQUENCY
41-4B
5133-00-236-4046INTERCHANGEABLE
DRILL,TWIST
5895-00-383-2748INTERCHANGEABLE
PANEL,INDICATOR
51011
5360-00-541-7864INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5950-00-754-6426INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
9137141
5935-00-937-2782INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5330-01-012-2477INTERCHANGEABLE
SEAL,PLAIN ENCASED
4710-01-131-6448INTERCHANGEABLE
SNAP TUBE
51011
5331-01-155-6092INTERCHANGEABLE
O-RING
4510-01-195-4434INTERCHANGEABLE
STRAINER,WASTE DRAIN
51011

Frequently Asked Questions

What is NSN 5985-01-286-3690?

NSN 5985-01-286-3690 is a Coupler,directional, manufactured by Boonton Electronics Corporation Div Boonton Electronics, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-286-3690?

NSN 5985-01-286-3690 has 2 cross-referenced part numbers: 51011-4B(W/1-41-2A CABLE) (Boonton Electronics Corporation Div Boonton Electronics), 51011 (Boonton Electronics Corporation Div Boonton Electronics).

What NSN replaces 5985-01-286-3690?

There are 10 known substitutes for 5985-01-286-3690: 6625-00-224-2431, 5133-00-236-4046, 5895-00-383-2748 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51011?

Key specifications for 51011: Unit Type: TRANSMISSION LINE; Radio Frequency Rating: 100.0 KILOHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM; Design Type: UNIDIRECTIONAL; End Item Identification: BOONTON 4300 AVERAGE POWER METER. 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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