PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7644924P2Headset,electrical

Lockheed Martin Corporation Div Rms · NSN 5965-00-938-6271 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-00-938-6271 — this item is cataloged by the U.S. Government under National Stock Number 5965-00-938-6271. Primary manufacturer part number: 7644924P2.
Features
  • Headset,electrical — FSC 5965
  • Headband Type: ADJUSTABLE DOUBLE BAND
  • Mounting Method: DIAMETRICALLY OPPOSED HOLES IN OUTSIDE PERIPHERY OF CASE EARPHONE
  • Covering Material: LEATHER HEADBAND
  • Terminal Type: SETSCREW
  • Shell Material: STEEL EARPHONE
  • Terminal Location: INTERNAL
  • Headset Cord Length: 48.0 INCHES MINIMUM AND 60.0 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Headset,electrical, cataloged under National Stock Number 5965-00-938-6271, 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. Government technical data includes 25 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5965-00-938-6271
Primary Part Number7644924P2
Item NameHeadset,electrical
FSC / FSG5965 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusACTIVE
Headband TypeADJUSTABLE DOUBLE BAND
Mounting MethodDIAMETRICALLY OPPOSED HOLES IN OUTSIDE PERIPHERY OF CASE EARPHONE
Covering MaterialLEATHER HEADBAND
Terminal TypeSETSCREW
Shell MaterialSTEEL EARPHONE
Terminal LocationINTERNAL
Headset Cord Length48.0 INCHES MINIMUM AND 60.0 INCHES MAXIMUM IN
Earphone Quantity2
Connector Manufacturer Code80064
Output Sensitivity Rating in Decibels104.0 AND 112.0
Earphone Interconnection ArrangementSERIES
Frequency Response Range in Hertz+100.0 TO 7000.0
Headset Connecting Cord Termination LocationREVERSIBLE RIGHT-LEFT
Impedance Rating in Ohms540.0 MINIMUM AND 660.0 MAXIMUM
Input Terminal TypePLUG
Acoustic Sensitivity Reference Rating1 MILLIWATT PER 0.0002 MICROBARS
Headset Overall Height7.250 INCHES NOMINAL IN
Furnished ItemsEAR CUSHION
Channel Monitor CapabilitySINGLE CHANNEL
Headset Overall Depth3.625 INCHES NOMINAL IN
Connector Manufacturer Part NumberPJ051B
Earphone Element TypeDYNAMIC
Reference Frequency in Hertz1000.0
Terminal Quantity2
Body StyleHEADSET, COVERED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5342-00-131-6012200524PC1 INTERCHANGEABLE
Crank
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5365-00-516-53625A163 INTERCHANGEABLE
Spacer,ring
Caterpillar Inc Div Caterpillar Defense
5340-01-376-2845200524 INTERCHANGEABLE
Holder,spring
Heckler & Koch, Inc.
4130-01-459-5694200524 INTERCHANGEABLE
Vacu-Discs
Dcm Clean Air Products, Inc.
Cross-Reference Index
Part NumberManufacturer
7644924P2 PRIMARY Lockheed Martin Corporation Div Rms (USA)
20052-4 Telephonics Corp (USA)
7644924P002 Lockheed Martin Corporation Div Rms (USA)
Related Parts
5342-00-131-6012INTERCHANGEABLE
CRANK
200524PC1
5365-00-516-5362INTERCHANGEABLE
SPACER,RING
5A163
5340-01-376-2845INTERCHANGEABLE
HOLDER,SPRING
200524
4130-01-459-5694INTERCHANGEABLE
VACU-DISCS
200524

Frequently Asked Questions

What is NSN 5965-00-938-6271?

NSN 5965-00-938-6271 is a Headset,electrical, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5965 (No Item Name Available). Status: active.

What are the part numbers for NSN 5965-00-938-6271?

NSN 5965-00-938-6271 has 3 cross-referenced part numbers: 7644924P2 (Lockheed Martin Corporation Div Rms), 20052-4 (Telephonics Corp), 7644924P002 (Lockheed Martin Corporation Div Rms).

What NSN replaces 5965-00-938-6271?

There are 4 known substitutes for 5965-00-938-6271: 5342-00-131-6012, 5365-00-516-5362, 5340-01-376-2845 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7644924P2?

Key specifications for 7644924P2: Headband Type: ADJUSTABLE DOUBLE BAND; Mounting Method: DIAMETRICALLY OPPOSED HOLES IN OUTSIDE PERIPHERY OF CASE EARPHONE; Covering Material: LEATHER HEADBAND; Terminal Type: SETSCREW. 26 total characteristics are documented in the Federal Logistics Information System.

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