PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H-91/U W/289D CONNHeadset-Microphone

Audiosears Corp Dba Audiosears Corp · NSN 5965-00-509-9926 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-00-509-9926 — this item is cataloged by the U.S. Government under National Stock Number 5965-00-509-9926. Primary manufacturer part number: H-91/U W/289D CONN.
Features
  • Headset-Microphone — FSC 5965
  • Test Data Document: 81349-MIL-H-12576 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Microphone Mounting Facility: MOUNTED IN PHENOLIC CASE AT OTHER END OF NON-ADJUSTABLE BOOM
  • Mounting Method: MOUNTED IN PHENOLIC CASE AT OTHER END OF NON-ADJUSTABLE BOOM EARPHONE
  • Connector Controlling Agency: WESTERN ELECTRIC CO
  • Connector Name: PLUG
  • Microphone Element Type: CARBON
  • Output Level Rating: 31 DB ABOVE 1 MV DB
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Headset-Microphone, cataloged under National Stock Number 5965-00-509-9926, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5965-00-509-9926
Primary Part NumberH-91/U W/289D CONN
Item NameHeadset-Microphone
FSC / FSG5965 / 59 — No Item Name Available
ManufacturerAudiosears Corp Dba Audiosears Corp
StatusCANCELLED
Test Data Document81349-MIL-H-12576 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Microphone Mounting FacilityMOUNTED IN PHENOLIC CASE AT OTHER END OF NON-ADJUSTABLE BOOM
Mounting MethodMOUNTED IN PHENOLIC CASE AT OTHER END OF NON-ADJUSTABLE BOOM EARPHONE
Connector Controlling AgencyWESTERN ELECTRIC CO
Connector NamePLUG
Microphone Element TypeCARBON
Output Level Rating31 DB ABOVE 1 MV DB
Connector Identifying Number289D TYPE NO.
Nondefinitive Spec/std DataH-92/ //U TYPE
Earphone Identifying Number10027 DRAWING NO.
Earphone Quantity1
Earphone Element TypeMAGNETIC
Identifying Number10037 DRAWING NO.
Impedance Rating40.0 OHMS NOMINAL
Operating Current Rating85.0 MILLIAMPERES NOMINAL
Controlling AgencyROANWELL CORP
DC Resistance Rating in Ohms20.0 NOMINAL
Frequency Rating0.3 KILOHERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM
Earphone Controlling AgencyROANWELL CORP
Earphone Impedance Rating275.0 OHMS NOMINAL
Connector to Junction Cord Length5.000 FEET FT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5965-00-669-6871 INTERCHANGEABLE
Headset-Microphone
5965-00-682-2769 INTERCHANGEABLE
Headset-Microphone
Cross-Reference Index
Part NumberManufacturer
H-91/U W/289D CONN Audiosears Corp Dba Audiosears Corp (USA)
H-92/U Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-H-12576 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5965-00-669-6871INTERCHANGEABLE
HEADSET-MICROPHONE
5965-00-682-2769INTERCHANGEABLE
HEADSET-MICROPHONE

Frequently Asked Questions

What is NSN 5965-00-509-9926?

NSN 5965-00-509-9926 is a Headset-Microphone, manufactured by Audiosears Corp Dba Audiosears Corp, classified under FSC 5965 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5965-00-509-9926?

NSN 5965-00-509-9926 has 3 cross-referenced part numbers: H-91/U W/289D CONN (Audiosears Corp Dba Audiosears Corp), H-92/U (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-H-12576 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5965-00-509-9926?

There are 2 known substitutes for 5965-00-509-9926: 5965-00-669-6871, 5965-00-682-2769. Verify interchangeability with system specifications before substitution.

What are the specifications of H-91/U W/289D CONN?

Key specifications for H-91/U W/289D CONN: Test Data Document: 81349-MIL-H-12576 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; Microphone Mounting Facility: MOUNTED IN PHENOLIC CASE AT OTHER END OF NON-ADJUSTABLE BOOM; Mounting Method: MOUNTED IN PHENOLIC CASE AT OTHER END OF NON-ADJUSTABLE BOOM EARPHONE; Connector Controlling Agency: WESTERN ELECTRIC CO. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5965-00-509-9926 still in active supply?

NSN 5965-00-509-9926 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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