PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

156Headset,electrical

Trimm International, Inc. Dba Trimm · NSN 5965-00-128-8756 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-00-128-8756 — this item is cataloged by the U.S. Government under National Stock Number 5965-00-128-8756. Primary manufacturer part number: 156.
Features
  • Headset,electrical — FSC 5965
  • Headset Connecting Cord Termination Location: AT CENTER CONNECTION
  • Impedance Rating in Ohms: 600.0 NOMINAL
  • Earphone Element Type: MAGNETIC
  • Input Terminal Type: PLUG
  • Headset Cord Length: 72.0 INCHES NOMINAL IN
  • Connector Manufacturer Code: 81349
  • Connector Manufacturer Part Number: PJ-05513
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Headset,electrical, cataloged under National Stock Number 5965-00-128-8756, 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 Trimm International, Inc. Dba Trimm. Government technical data includes 18 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5965-00-128-8756
Primary Part Number156
Item NameHeadset,electrical
FSC / FSG5965 / 59 — No Item Name Available
ManufacturerTrimm International, Inc. Dba Trimm
StatusCANCELLED
Headset Connecting Cord Termination LocationAT CENTER CONNECTION
Impedance Rating in Ohms600.0 NOMINAL
Earphone Element TypeMAGNETIC
Input Terminal TypePLUG
Headset Cord Length72.0 INCHES NOMINAL IN
Connector Manufacturer Code81349
Connector Manufacturer Part NumberPJ-05513
Terminal LocationEXTERNAL
Body StyleHEADSET, COVERED
Headband TypeADJUSTABLE DOUBLE BAND
Mounting MethodDIAMETRICALLY OPPOSED HOLES IN OUTSIDE PERIPHERY OF CASE EARPHONE
Terminal Quantity2
Shell MaterialPLASTIC EARPHONE
Earphone Interconnection ArrangementSERIES
Headset Overall Width7.000 INCHES NOMINAL IN
Headset Overall Depth1.000 INCHES NOMINAL IN
Terminal TypeWIRE LEAD
Earphone Quantity2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4710-00-006-4572 INTERCHANGEABLE
Tube,bent,metallic
6685-00-074-4669164456 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5133-00-189-9318 INTERCHANGEABLE
Drill,twist
4320-00-267-5027 INTERCHANGEABLE
Pump Unit,centrifugal
4320-00-273-0936 INTERCHANGEABLE
Pump Unit,centrifugal
4730-00-274-920720028 INTERCHANGEABLE
Packing Nut
Northrop Grumman Systems Corporation Div Marine Systems
6105-00-390-622320028 INTERCHANGEABLE
Motor,direct Current
Raytheon Company Dba Raytheon
3830-00-447-65160120028 INTERCHANGEABLE
Roller,side Thrust
New Holland Construction
3455-00-531-132719636 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5340-00-558-9474200-28 INTERCHANGEABLE
Clevis,rod End
Ottawa Truck Inc Div Cargotec Solutions Llc - Kalmar Americas Region
Cross-Reference Index
Part NumberManufacturer
156 Trimm International, Inc. Dba Trimm (USA)
H-344/U Joint Electronics Type Designation System (USA)
TH-37A Telephonics Corp (USA)
K844428-3 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
122 Murdock Corp (USA)
R156 Radalab Inc (USA)
20028 Telephonics Corp (USA)
R156 Micacraft Products Co Inc (USA)
Related Parts
4710-00-006-4572INTERCHANGEABLE
TUBE,BENT,METALLIC
6685-00-074-4669INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164456
5133-00-189-9318INTERCHANGEABLE
DRILL,TWIST
4320-00-267-5027INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
4320-00-273-0936INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
4730-00-274-9207INTERCHANGEABLE
PACKING NUT
20028
6105-00-390-6223INTERCHANGEABLE
MOTOR,DIRECT CURRENT
20028
3830-00-447-6516INTERCHANGEABLE
ROLLER,SIDE THRUST
0120028
3455-00-531-1327INTERCHANGEABLE
REAMER,MACHINE
19636
5340-00-558-9474INTERCHANGEABLE
CLEVIS,ROD END
200-28
5905-00-697-2752INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5330-00-739-8018INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 5965-00-128-8756?

NSN 5965-00-128-8756 is a Headset,electrical, manufactured by Trimm International, Inc. Dba Trimm, classified under FSC 5965 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5965-00-128-8756?

NSN 5965-00-128-8756 has 8 cross-referenced part numbers: 156 (Trimm International, Inc. Dba Trimm), H-344/U (Joint Electronics Type Designation System), TH-37A (Telephonics Corp), K844428-3 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 122 (Murdock Corp) and 3 more.

What NSN replaces 5965-00-128-8756?

There are 12 known substitutes for 5965-00-128-8756: 4710-00-006-4572, 6685-00-074-4669, 5133-00-189-9318 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 156?

Key specifications for 156: Headset Connecting Cord Termination Location: AT CENTER CONNECTION; Impedance Rating in Ohms: 600.0 NOMINAL; Earphone Element Type: MAGNETIC; Input Terminal Type: PLUG. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5965-00-128-8756 still in active supply?

NSN 5965-00-128-8756 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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