PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

545-1Coupler,transmission Line

Granger Associates Ms 1101 · NSN 5985-00-939-9779 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-939-9779 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-939-9779. Primary manufacturer part number: 545-1.
Features
  • Coupler,transmission Line — FSC 5985
  • Overall Diameter: 18.500 INCHES NOMINAL IN
  • Radio Frequency Rating: 2.0 MEGAHERTZ MINIMUM AND 32.0 MEGAHERTZ MAXIMUM
  • Material: ALUMINUM
  • FSC Application Data: RADIO SET,RADIO,EXCEPT NAVIGATION AND HOME TYPES,NONAIRBORNE
  • Output Impedance Rating in Ohms: 50.0
  • Input Impedance Rating in Ohms: 50.0
  • Unit Type: COAXIAL LINE
Applications
  • Applications requiring Aluminum construction
General Description

The Coupler,transmission Line, cataloged under National Stock Number 5985-00-939-9779, 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 Granger Associates Ms 1101. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-939-9779
Primary Part Number545-1
Item NameCoupler,transmission Line
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerGranger Associates Ms 1101
StatusACTIVE
Overall Diameter18.500 INCHES NOMINAL IN
Radio Frequency Rating2.0 MEGAHERTZ MINIMUM AND 32.0 MEGAHERTZ MAXIMUM
MaterialALUMINUM
FSC Application DataRADIO SET,RADIO,EXCEPT NAVIGATION AND HOME TYPES,NONAIRBORNE
Output Impedance Rating in Ohms50.0
Input Impedance Rating in Ohms50.0
Unit TypeCOAXIAL LINE
Mounting Configuration4 MTG HOLES 0.500 IN. DIA ON 11.250 MTG CENTERS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-156-465812Z10210-1 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5962-00-369-7831 INTERCHANGEABLE
Microcircuit,digital
6675-00-509-5586545-190 INTERCHANGEABLE
Level,surveying
Brunson Instrument Company Dba Brunson Instrument Co
5930-00-564-2784167-211SM1AG33PCBM35 INTERCHANGEABLE
Switch,push
Naval Ship Systems Command
5915-00-912-33915451 INTERCHANGEABLE
Filter,low Pass
Bird Electronic Corporation Div Bird Electronic Corp
5945-00-923-42919M0990 INTERCHANGEABLE
Relay,electromagnetic
Caterpillar Inc Div Caterpillar Defense
5910-01-015-3886138010P4 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
6625-01-082-14795451-3 INTERCHANGEABLE
Meter,arbitrary Scale
General Microwave Corporation Div Kratos Microwave Electronics
6530-01-448-8754545-1 INTERCHANGEABLE
Stretcher,hydraulic
Pedigo Products, Inc.
6350-01-571-7413 INTERCHANGEABLE
Sensing Element,fire Detector Sy
Cross-Reference Index
Part NumberManufacturer
545-1 Granger Associates Ms 1101 (USA)
Related Parts
3110-00-156-4658INTERCHANGEABLE
BEARING,BALL,ANNULAR
12Z10210-1
5962-00-369-7831INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
6675-00-509-5586INTERCHANGEABLE
LEVEL,SURVEYING
545-190
5930-00-564-2784INTERCHANGEABLE
SWITCH,PUSH
167-211SM1AG33PCBM35
5915-00-912-3391INTERCHANGEABLE
FILTER,LOW PASS
5451
5945-00-923-4291INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
9M0990
5910-01-015-3886INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
138010P4
6625-01-082-1479INTERCHANGEABLE
METER,ARBITRARY SCALE
5451-3
6530-01-448-8754INTERCHANGEABLE
STRETCHER,HYDRAULIC
545-1
6350-01-571-7413INTERCHANGEABLE
SENSING ELEMENT,FIRE DETECTOR SY
6350-01-573-0369INTERCHANGEABLE
DETECTOR,HEAT
5451

Frequently Asked Questions

What is NSN 5985-00-939-9779?

NSN 5985-00-939-9779 is a Coupler,transmission Line, manufactured by Granger Associates Ms 1101, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-939-9779?

NSN 5985-00-939-9779 has 1 cross-referenced part number: 545-1 (Granger Associates Ms 1101).

What NSN replaces 5985-00-939-9779?

There are 11 known substitutes for 5985-00-939-9779: 3110-00-156-4658, 5962-00-369-7831, 6675-00-509-5586 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 545-1?

Key specifications for 545-1: Overall Diameter: 18.500 INCHES NOMINAL IN; Radio Frequency Rating: 2.0 MEGAHERTZ MINIMUM AND 32.0 MEGAHERTZ MAXIMUM; Material: ALUMINUM; FSC Application Data: RADIO SET,RADIO,EXCEPT NAVIGATION AND HOME TYPES,NONAIRBORNE. 9 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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