PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1658604Headset,electrical

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5965-01-040-3500 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-01-040-3500 — this item is cataloged by the U.S. Government under National Stock Number 5965-01-040-3500. Primary manufacturer part number: 1658604.
Features
  • Headset,electrical — FSC 5965
  • Earphone Quantity: 2
  • Connector Manufacturer Code: 81349
  • Input Terminal Type: PLUG
  • Headset Overall Width: 6.688 INCHES NOMINAL IN
  • Impedance Rating in Ohms: 100.0 NOMINAL
  • Headset Overall Height: 7.937 INCHES NOMINAL IN
  • Earphone Interconnection Arrangement: PARALLEL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Headset,electrical, cataloged under National Stock Number 5965-01-040-3500, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN5965-01-040-3500
Primary Part Number1658604
Item NameHeadset,electrical
FSC / FSG5965 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusCANCELLED
Earphone Quantity2
Connector Manufacturer Code81349
Input Terminal TypePLUG
Headset Overall Width6.688 INCHES NOMINAL IN
Impedance Rating in Ohms100.0 NOMINAL
Headset Overall Height7.937 INCHES NOMINAL IN
Earphone Interconnection ArrangementPARALLEL
Frequency Response Range in Hertz+100.0 TO 7000.0
Headset Cord Length84.0 INCHES NOMINAL IN
Connector Manufacturer Part NumberPJ-068
Headset Connecting Cord Termination LocationREVERSIBLE RIGHT-LEFT
Earphone Element TypeDYNAMIC
Channel Monitor CapabilitySINGLE CHANNEL
Acoustic Sensitivity Reference RatingNOT RATED
Mounting MethodRETAINER RING EARPHONE
Terminal TypeTAB, SOLDER LUG
Headband TypeADJUSTABLE SINGLE BAND
Terminal LocationINTERNAL
Body StyleHEADSET, COVERED
Terminal Quantity2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5965-00-004-6371SM-D-751185 INTERCHANGEABLE
Handset
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5315-00-188-0171MS24692-127 INTERCHANGEABLE
Pin,tapered,plain
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
111840 Roanwell, Llc (USA)
1658604 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
494-192-003-694 Roanwell, Llc (USA)
37656122-097 Raytheon Co (USA)
494-192-003 Roanwell, Llc (USA)
Related Parts
5965-00-004-6371INTERCHANGEABLE
HANDSET
SM-D-751185
5315-00-188-0171INTERCHANGEABLE
PIN,TAPERED,PLAIN
MS24692-127

Frequently Asked Questions

What is NSN 5965-01-040-3500?

NSN 5965-01-040-3500 is a Headset,electrical, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5965 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5965-01-040-3500?

NSN 5965-01-040-3500 has 5 cross-referenced part numbers: 111840 (Roanwell, Llc), 1658604 (Lockheed Martin Corporation Div Rms - Mitchel Field), 494-192-003-694 (Roanwell, Llc), 37656122-097 (Raytheon Co), 494-192-003 (Roanwell, Llc).

What NSN replaces 5965-01-040-3500?

There are 2 known substitutes for 5965-01-040-3500: 5965-00-004-6371, 5315-00-188-0171. Verify interchangeability with system specifications before substitution.

What are the specifications of 1658604?

Key specifications for 1658604: Earphone Quantity: 2; Connector Manufacturer Code: 81349; Input Terminal Type: PLUG; Headset Overall Width: 6.688 INCHES NOMINAL IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5965-01-040-3500 still in active supply?

NSN 5965-01-040-3500 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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