PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1659Headset-Microphone

Audiosears Corp Dba Audiosears Corp · NSN 5965-00-995-2075 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-00-995-2075 — this item is cataloged by the U.S. Government under National Stock Number 5965-00-995-2075. Primary manufacturer part number: 1659.
Features
  • Headset-Microphone — FSC 5965
  • Frequency Rating: 0.2 KILOHERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM
  • Earphone Controlling Agency: WESTERN ELECTRIC CO INC
  • Mounting Method: SUSPENDED ON HEADBAND EARPHONE
  • Connector Identifying Number: 2898 PART NO.
  • Connector Name: PLUG
  • Microphone Mounting Facility: ADAPTER FASTENED TO LEFT SIDE OF HEADBAND
  • Connector Controlling Agency: WESTERN ELECTRIC CO INC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Headset-Microphone, cataloged under National Stock Number 5965-00-995-2075, 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 Audiosears Corp Dba Audiosears Corp. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 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
NSN5965-00-995-2075
Primary Part Number1659
Item NameHeadset-Microphone
FSC / FSG5965 / 59 — No Item Name Available
ManufacturerAudiosears Corp Dba Audiosears Corp
StatusACTIVE
Frequency Rating0.2 KILOHERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM
Earphone Controlling AgencyWESTERN ELECTRIC CO INC
Mounting MethodSUSPENDED ON HEADBAND EARPHONE
Connector Identifying Number2898 PART NO.
Connector NamePLUG
Microphone Mounting FacilityADAPTER FASTENED TO LEFT SIDE OF HEADBAND
Connector Controlling AgencyWESTERN ELECTRIC CO INC
Controlling AgencyJETDS
Earphone Quantity1
Connector to Junction Cord Length5.000 FEET FT
Earphone Element TypeMAGNETIC
Impedance Rating300.0 OHMS NOMINAL
Operating Current Rating100.0 MILLIAMPERES NOMINAL
Identifying NumberH-66/U /5965-221-0999/ TYPE NO.
Earphone Impedance Rating275.0 OHMS NOMINAL
Microphone Element TypeCARBON
Earphone Identifying NumberHC-6 RECEIVER UNIT PART NO.
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-6168 INTERCHANGEABLE
Ball,bearing
5905-00-106-7012 INTERCHANGEABLE
Resistor Set,matched
1680-00-435-54111659 INTERCHANGEABLE
Valve Assy,hydrauli
Pneudraulics, Inc.
5935-00-549-4612165-9 INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corp Div Amphenol Aerospace Operations
5999-00-570-00161659 INTERCHANGEABLE
Contact,electrical
Curtiss-Wright Controls Integrated Sensing, Inc.
5910-00-821-83130160-0025 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
5905-00-872-43351659 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Guildline Instruments Ltd
4310-00-949-0345 INTERCHANGEABLE
Compressor Unit,rotary
5340-01-004-4321 INTERCHANGEABLE
Grip,handle
9330-01-019-3303ECCOSORB AN-W75 INTERCHANGEABLE
Plastic Sheet
Maryed International Inc Dba Buzzoff Outdoor Wear
Cross-Reference Index
Part NumberManufacturer
1659 Audiosears Corp Dba Audiosears Corp (USA)
53AWHEADSET American Telephone and Telegraph Co (USA)
53JWHEADSET Lucent Technologies Inc Corporate Headquarters (USA)
53JWHEADSET Lucent Technologies Inc Dba Federal Marketing Group (USA)
53JWHEADSET American Telephone and Telegraph Co (USA)
53AWHEADSET Lucent Technologies Inc Corporate Headquarters (USA)
Related Parts
3110-00-100-6168INTERCHANGEABLE
BALL,BEARING
5905-00-106-7012INTERCHANGEABLE
RESISTOR SET,MATCHED
1680-00-435-5411INTERCHANGEABLE
VALVE ASSY,HYDRAULI
1659
5935-00-549-4612INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
165-9
5999-00-570-0016INTERCHANGEABLE
CONTACT,ELECTRICAL
1659
5910-00-821-8313INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
0160-0025
5905-00-872-4335INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
1659
4310-00-949-0345INTERCHANGEABLE
COMPRESSOR UNIT,ROTARY
5340-01-004-4321INTERCHANGEABLE
GRIP,HANDLE
9330-01-019-3303INTERCHANGEABLE
PLASTIC SHEET
ECCOSORB AN-W75
5365-01-045-2672INTERCHANGEABLE
BUSHING,NONMETALLIC
9340-01-177-8572INTERCHANGEABLE
MAT,REINFORCING,FIBROUS GLASS
1659 FIN 271, 36" WHITE

Frequently Asked Questions

What is NSN 5965-00-995-2075?

NSN 5965-00-995-2075 is a Headset-Microphone, manufactured by Audiosears Corp Dba Audiosears Corp, classified under FSC 5965 (No Item Name Available). Status: active.

What are the part numbers for NSN 5965-00-995-2075?

NSN 5965-00-995-2075 has 6 cross-referenced part numbers: 1659 (Audiosears Corp Dba Audiosears Corp), 53AWHEADSET (American Telephone and Telegraph Co), 53JWHEADSET (Lucent Technologies Inc Corporate Headquarters), 53JWHEADSET (Lucent Technologies Inc Dba Federal Marketing Group), 53JWHEADSET (American Telephone and Telegraph Co) and 1 more.

What NSN replaces 5965-00-995-2075?

There are 12 known substitutes for 5965-00-995-2075: 3110-00-100-6168, 5905-00-106-7012, 1680-00-435-5411 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1659?

Key specifications for 1659: Frequency Rating: 0.2 KILOHERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM; Earphone Controlling Agency: WESTERN ELECTRIC CO INC; Mounting Method: SUSPENDED ON HEADBAND EARPHONE; Connector Identifying Number: 2898 PART NO.. 17 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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