PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A278Microphone,dynamic

Hose-Mccann Telephone Co, Inc · NSN 5965-00-321-8456 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-00-321-8456 — this item is cataloged by the U.S. Government under National Stock Number 5965-00-321-8456. Primary manufacturer part number: A278.
Features
  • Microphone,dynamic — FSC 5965
  • Width: 2.375 INCHES NOMINAL IN
  • Body Style: HAND HELD
  • Extended Cable Length: 3.5 FEET NOMINAL FT
  • FSC Application Data: HEADSETS,HANDSETS,MICROPHONE AND SPEAKERS
  • Sound Pickup Directional Type: UNIDIRECTIONAL
  • 1 verified cross-reference
  • Primary manufacturer: Hose-Mccann Telephone Co, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microphone,dynamic, cataloged under National Stock Number 5965-00-321-8456, 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 Hose-Mccann Telephone Co, Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5965-00-321-8456
Primary Part NumberA278
Item NameMicrophone,dynamic
FSC / FSG5965 / 59 — No Item Name Available
ManufacturerHose-Mccann Telephone Co, Inc
StatusACTIVE
Width2.375 INCHES NOMINAL IN
Body StyleHAND HELD
Extended Cable Length3.5 FEET NOMINAL FT
FSC Application DataHEADSETS,HANDSETS,MICROPHONE AND SPEAKERS
Sound Pickup Directional TypeUNIDIRECTIONAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4320-00-580-2568A278 INTERCHANGEABLE
Impeller,pump,centrifugal
Circor Naval Solutions Llc Dba Warren Pumps
5905-00-789-5917 INTERCHANGEABLE
Resistor,thermal
5915-00-931-000350-035-1 INTERCHANGEABLE
Filter,radio Frequency Interfere
Bell Textron Inc
5950-01-043-301430014 INTERCHANGEABLE
Transformer,audio Frequency
Data Device Corp Dba Beta Transformer Technology
3040-01-133-79709321C1001-46 INTERCHANGEABLE
Shaft,straight
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5340-01-213-9929A/278 INTERCHANGEABLE
Handle,manual Control
O. E. M. Controls, Inc. Dba Oem Controls Inc
Cross-Reference Index
Part NumberManufacturer
A278 PRIMARY Hose-Mccann Telephone Co, Inc (USA)
Related Parts
4320-00-580-2568INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A278
5905-00-789-5917INTERCHANGEABLE
RESISTOR,THERMAL
5915-00-931-0003INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
50-035-1
5950-01-043-3014INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
30014
3040-01-133-7970INTERCHANGEABLE
SHAFT,STRAIGHT
9321C1001-46
5340-01-213-9929INTERCHANGEABLE
HANDLE,MANUAL CONTROL
A/278

Frequently Asked Questions

What is NSN 5965-00-321-8456?

NSN 5965-00-321-8456 is a Microphone,dynamic, manufactured by Hose-Mccann Telephone Co, Inc, classified under FSC 5965 (No Item Name Available). Status: active.

What are the part numbers for NSN 5965-00-321-8456?

NSN 5965-00-321-8456 has 1 cross-referenced part number: A278 (Hose-Mccann Telephone Co, Inc).

What NSN replaces 5965-00-321-8456?

There are 6 known substitutes for 5965-00-321-8456: 4320-00-580-2568, 5905-00-789-5917, 5915-00-931-0003 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A278?

Key specifications for A278: Width: 2.375 INCHES NOMINAL IN; Body Style: HAND HELD; Special Features: RECEIVER AND TRANSMITTER; Extended Cable Length: 3.5 FEET NOMINAL FT. 6 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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