PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1457Headset,electrical

Audiosears Corp Dba Audiosears Corp · NSN 5965-00-256-8687 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-00-256-8687 — this item is cataloged by the U.S. Government under National Stock Number 5965-00-256-8687. Primary manufacturer part number: 1457.
Features
  • Headset,electrical — FSC 5965
  • Shell Material: PLASTIC EARPHONE
  • Mounting Method: DIAMETRICALLY OPPOSED HOLES IN OUTSIDE PERIPHERY OF CASE EARPHONE
  • Test Data Document: 81349-MIL-H-11190 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.).
  • Headband Type: ADJUSTABLE SINGLE BAND
  • Terminal Location: EXTERNAL
  • Headset Connecting Cord Termination Location: AT WEARERS LEFT
  • Headset Overall Width: 5.062 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Headset,electrical, cataloged under National Stock Number 5965-00-256-8687, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5965-00-256-8687
Primary Part Number1457
Item NameHeadset,electrical
FSC / FSG5965 / 59 — No Item Name Available
ManufacturerAudiosears Corp Dba Audiosears Corp
StatusCANCELLED
Shell MaterialPLASTIC EARPHONE
Mounting MethodDIAMETRICALLY OPPOSED HOLES IN OUTSIDE PERIPHERY OF CASE EARPHONE
Test Data Document81349-MIL-H-11190 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.).
Headband TypeADJUSTABLE SINGLE BAND
Terminal LocationEXTERNAL
Headset Connecting Cord Termination LocationAT WEARERS LEFT
Headset Overall Width5.062 INCHES NOMINAL IN
Earphone Interconnection ArrangementSERIES
Channel Monitor CapabilityDUAL CHANNEL
Headset Overall Height8.569 INCHES NOMINAL IN
Connector Manufacturer Part NumberPJ-054B
Impedance Rating in Ohms600.0 NOMINAL
Furnished ItemsNONE
Earphone Quantity2
Connector Manufacturer Code80063
Acoustic Sensitivity Reference RatingNOT RATED
Earphone Element TypeMAGNETIC
Input Terminal TypePLUG
Headset Cord Length14.5 INCHES NOMINAL IN
Headset Overall Depth2.500 INCHES NOMINAL IN
Terminal Quantity2
Body StyleHEADSET, COVERED
Microphone Mounting FacilityBRACKET FOR LEFTHAND MOUNTING OF BOOM MICROPHONE
Terminal TypeWIRE LEAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5965-00-223-45753100-1 INTERCHANGEABLE
Headset,electrical
Telephone Company of America Incorporated
5965-00-237-8048 INTERCHANGEABLE
Headset-Microphone
5965-00-237-8049 INTERCHANGEABLE
Headset-Microphone
5965-00-243-0207 INTERCHANGEABLE
Cover,microphone
5995-00-244-5721 INTERCHANGEABLE
Cord Assembly,electrical,branche
5965-00-504-6370SM-D-105212 INTERCHANGEABLE
Headset,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
SC-C-53605 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
H-63/U Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-H-11190 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
TC209-1 Telephonics Corp (USA)
1457 PRIMARY Audiosears Corp Dba Audiosears Corp (USA)
Related Parts
5965-00-223-4575INTERCHANGEABLE
HEADSET,ELECTRICAL
3100-1
5965-00-237-8048INTERCHANGEABLE
HEADSET-MICROPHONE
5965-00-237-8049INTERCHANGEABLE
HEADSET-MICROPHONE
5965-00-243-0207INTERCHANGEABLE
COVER,MICROPHONE
5995-00-244-5721INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL,BRANCHE
5965-00-504-6370INTERCHANGEABLE
HEADSET,ELECTRICAL
SM-D-105212

Frequently Asked Questions

What is NSN 5965-00-256-8687?

NSN 5965-00-256-8687 is a Headset,electrical, manufactured by Audiosears Corp Dba Audiosears Corp, classified under FSC 5965 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5965-00-256-8687?

NSN 5965-00-256-8687 has 5 cross-referenced part numbers: SC-C-53605 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), H-63/U (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-H-11190 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), TC209-1 (Telephonics Corp), 1457 (Audiosears Corp Dba Audiosears Corp).

What NSN replaces 5965-00-256-8687?

There are 6 known substitutes for 5965-00-256-8687: 5965-00-223-4575, 5965-00-237-8048, 5965-00-237-8049 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1457?

Key specifications for 1457: Shell Material: PLASTIC EARPHONE; Mounting Method: DIAMETRICALLY OPPOSED HOLES IN OUTSIDE PERIPHERY OF CASE EARPHONE; Test Data Document: 81349-MIL-H-11190 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.).; Headband Type: ADJUSTABLE SINGLE BAND. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5965-00-256-8687 still in active supply?

NSN 5965-00-256-8687 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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