PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S-45Headset-Microphone

Sigtronics Corporation Dba Sigtronics Corp · NSN 5965-01-449-2706 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-01-449-2706 — this item is cataloged by the U.S. Government under National Stock Number 5965-01-449-2706. Primary manufacturer part number: S-45.
Features
  • Headset-Microphone — FSC 5965
  • Microphone Element Type: ELECTRET CONDENSER
  • Earphone Quantity: 2
  • Identifying Number: M-80 MODEL NO.
  • Unpackaged Unit Weight: 12.200 OUNCES NOMINAL OZ
  • Connector Name: PLUG
  • Supplementary Features: INCLUDES M-80 NOISE CANCELING MICROPHONE. INCLUDES BLUE EARCUPS. NOISE REDUCTION RATING IS 24 DECIBELS. INCLUDES FOAM HEADPAD ON REFLECTIVE ADJUSTABLE METAL HEADBAND. INCLUDES GEL AND FOAM FILLED EAR CUSHIONS. INCLUDES HIGH FLEX CORD WITH 105 STRANDS PER CONDUCTOR. INCLUDES NICKEL COATED BRASS CORROSION PROOF PLUG.
  • Mounting Method: SUSPENDED ON ADJUSTABLE HEADBAND EARPHONE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Headset-Microphone, cataloged under National Stock Number 5965-01-449-2706, is classified within Federal Supply Class 5965 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Sigtronics Corporation Dba Sigtronics Corp. 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5965-01-449-2706
Primary Part NumberS-45
Item NameHeadset-Microphone
FSC / FSG5965 / 59 — No Item Name Available
ManufacturerSigtronics Corporation Dba Sigtronics Corp
StatusACTIVE
Microphone Element TypeELECTRET CONDENSER
Earphone Quantity2
Identifying NumberM-80 MODEL NO.
Unpackaged Unit Weight12.200 OUNCES NOMINAL OZ
Connector NamePLUG
Supplementary FeaturesINCLUDES M-80 NOISE CANCELING MICROPHONE. INCLUDES BLUE EARCUPS. NOISE REDUCTION RATING IS 24 DECIBELS. INCLUDES FOAM HEADPAD ON REFLECTIVE ADJUSTABLE METAL HEADBAND. INCLUDES GEL AND FOAM FILLED EAR CUSHIONS. INCLUDES HIGH FLEX CORD WITH 105 STRANDS PER CONDUCTOR. INCLUDES NICKEL COATED BRASS CORROSION PROOF PLUG.
Mounting MethodSUSPENDED ON ADJUSTABLE HEADBAND EARPHONE
Microphone Mounting FacilityBOOM ADAPTER ON LEFT SIDE OF HEADBAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6240-00-050-4520 INTERCHANGEABLE
Lamp,incandescent
5940-00-089-8698S45 INTERCHANGEABLE
Adapter,solder Cup
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
4820-00-383-7983 INTERCHANGEABLE
Stem,fluid Valve
4320-01-055-4059S45-2.5IN-STD INTERCHANGEABLE
Pump Unit,centrifugal
Armstrong Pumps Inc
4720-01-146-4125 INTERCHANGEABLE
Hose,nonmetallic
5945-01-574-8664S-45 INTERCHANGEABLE
Contact Set,relay
Lincoln Electric Holdings Inc
7330-01-599-9371S-45 INTERCHANGEABLE
Scoop,kitchen
Ampco Partners, Ltd. Dba Ampco Safety Tools
Cross-Reference Index
Part NumberManufacturer
S-45 PRIMARY Sigtronics Corporation Dba Sigtronics Corp (USA)
Related Parts
6240-00-050-4520INTERCHANGEABLE
LAMP,INCANDESCENT
5940-00-089-8698INTERCHANGEABLE
ADAPTER,SOLDER CUP
S45
4820-00-383-7983INTERCHANGEABLE
STEM,FLUID VALVE
4320-01-055-4059INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
S45-2.5IN-STD
4720-01-146-4125INTERCHANGEABLE
HOSE,NONMETALLIC
5945-01-574-8664INTERCHANGEABLE
CONTACT SET,RELAY
S-45
7330-01-599-9371INTERCHANGEABLE
SCOOP,KITCHEN
S-45

Frequently Asked Questions

What is NSN 5965-01-449-2706?

NSN 5965-01-449-2706 is a Headset-Microphone, manufactured by Sigtronics Corporation Dba Sigtronics Corp, classified under FSC 5965 (No Item Name Available). Status: active.

What are the part numbers for NSN 5965-01-449-2706?

NSN 5965-01-449-2706 has 1 cross-referenced part number: S-45 (Sigtronics Corporation Dba Sigtronics Corp).

What NSN replaces 5965-01-449-2706?

There are 7 known substitutes for 5965-01-449-2706: 6240-00-050-4520, 5940-00-089-8698, 4820-00-383-7983 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S-45?

Key specifications for S-45: Microphone Element Type: ELECTRET CONDENSER; End Item Identification: GENERAL AVIATION; Earphone Quantity: 2; Identifying Number: M-80 MODEL NO.. 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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