PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H-39A/UHeadset,electrical

Joint Electronics Type Designation System · NSN 5965-00-284-6718 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-00-284-6718 — this item is cataloged by the U.S. Government under National Stock Number 5965-00-284-6718. Primary manufacturer part number: H-39A/U.
Features
  • Headset,electrical — FSC 5965
  • Terminal Type: WIRE LEAD
  • Terminal Location: EXTERNAL
  • Frequency Response Range in Hertz: +850.0 TO 1150.0
  • Headset Connecting Cord Termination Location: REVERSIBLE RIGHT-LEFT
  • Headset Cord Length: 60.0 INCHES NOMINAL IN
  • Earphone Quantity: 2
  • Headset Overall Height: 6.125 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 5965-00-284-6718, 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 Joint Electronics Type Designation System. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5965-00-284-6718
Primary Part NumberH-39A/U
Item NameHeadset,electrical
FSC / FSG5965 / 59 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusCANCELLED
Terminal TypeWIRE LEAD
Terminal LocationEXTERNAL
Frequency Response Range in Hertz+850.0 TO 1150.0
Headset Connecting Cord Termination LocationREVERSIBLE RIGHT-LEFT
Headset Cord Length60.0 INCHES NOMINAL IN
Earphone Quantity2
Headset Overall Height6.125 INCHES NOMINAL IN
Impedance Rating in Ohms20000.0 NOMINAL
Connector Manufacturer Code81349
Headset Overall Width6.500 INCHES NOMINAL IN
Output Sensitivity Rating in Decibels120.0
Headset Overall Depth2.125 INCHES NOMINAL IN
Connector Manufacturer Part NumberPJ055
Earphone Interconnection ArrangementSERIES
Reference Frequency in Hertz1000.0
Input Terminal TypePLUG
Channel Monitor CapabilitySINGLE CHANNEL
Acoustic Sensitivity Reference RatingNOT RATED
Earphone Element TypeMAGNETIC
Covering MaterialRUBBER HEADBAND
Terminal Quantity1
Body StyleHEADSET, COVERED
Headband TypeADJUSTABLE DOUBLE BAND
Mounting MethodDIAMETRICALLY OPPOSED HOLES IN OUTSIDE PERIPHERY OF CASE EARPHONE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5985-00-086-623201801-63407 INTERCHANGEABLE
Attenuator,variable
Keysight Technologies Inc
5133-00-189-9267 INTERCHANGEABLE
Drill,twist
5935-00-254-92879000803F74211 INTERCHANGEABLE
Jack,telephone
Naval Sea Systems Command
4720-00-348-5482200-033 INTERCHANGEABLE
Hose Assembly,nonmetallic
Graco Inc.
3030-00-955-1005200122 INTERCHANGEABLE
Belt,flat
Dictaphone Corporation
5330-01-023-5798 INTERCHANGEABLE
Gasket
5995-01-345-4728 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5985-01-583-2175200122 INTERCHANGEABLE
Teams Gin Pole-Trip
Tim Price Inc. Dba Tim Price Inc
6650-01-647-1086200122 INTERCHANGEABLE
Cap,lens
Aimpoint Inc Dba Aimpoint Inc
Cross-Reference Index
Part NumberManufacturer
H-39A/U PRIMARY Joint Electronics Type Designation System (USA)
H-39/A Astrocom Electronics Inc (USA)
20012-2 Telephonics Corp (USA)
H-39/A M & S Electronics Inc (USA)
H-39/A Mirion Technologies (canberra), Inc. (USA)
RE51F129PC13 Naval Ship Systems Command (USA)
10265B Astrocom Electronics Inc (USA)
01801-63407 Hewlett-Packard Company Dba HP (USA)
Related Parts
5985-00-086-6232INTERCHANGEABLE
ATTENUATOR,VARIABLE
01801-63407
5133-00-189-9267INTERCHANGEABLE
DRILL,TWIST
5935-00-254-9287INTERCHANGEABLE
JACK,TELEPHONE
9000803F74211
4720-00-348-5482INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
200-033
3030-00-955-1005INTERCHANGEABLE
BELT,FLAT
200122
5330-01-023-5798INTERCHANGEABLE
GASKET
5995-01-345-4728INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5985-01-583-2175INTERCHANGEABLE
TEAMS GIN POLE-TRIP
200122
6650-01-647-1086INTERCHANGEABLE
CAP,LENS
200122

Frequently Asked Questions

What is NSN 5965-00-284-6718?

NSN 5965-00-284-6718 is a Headset,electrical, manufactured by Joint Electronics Type Designation System, classified under FSC 5965 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5965-00-284-6718?

NSN 5965-00-284-6718 has 8 cross-referenced part numbers: H-39A/U (Joint Electronics Type Designation System), H-39/A (Astrocom Electronics Inc), 20012-2 (Telephonics Corp), H-39/A (M & S Electronics Inc), H-39/A (Mirion Technologies (canberra), Inc.) and 3 more.

What NSN replaces 5965-00-284-6718?

There are 9 known substitutes for 5965-00-284-6718: 5985-00-086-6232, 5133-00-189-9267, 5935-00-254-9287 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H-39A/U?

Key specifications for H-39A/U: Terminal Type: WIRE LEAD; Terminal Location: EXTERNAL; Frequency Response Range in Hertz: +850.0 TO 1150.0; Headset Connecting Cord Termination Location: REVERSIBLE RIGHT-LEFT. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5965-00-284-6718 still in active supply?

NSN 5965-00-284-6718 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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