PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIS-10221TYPE6Converter,coaxial Thermal

Us Army Aviation and Missile Command · NSN 4931-00-178-1063 · FSC 4931 · No Item Name Available
Verified by PartsTable
NSN 4931-00-178-1063 — this item is cataloged by the U.S. Government under National Stock Number 4931-00-178-1063. Primary manufacturer part number: MIS-10221TYPE6.
Features
  • Converter,coaxial Thermal — FSC 4931
  • General Characteristics Item Description: BRASS,5.625 IN. LG,2.125 IN. DIA,FREQ RANGE FROM DC TO 100 MHZ,INPUT RESISTANCE 200 OHMS PER V,VOLTAGE RATING 20.0 V MHz
  • 3 verified cross-references
  • Primary manufacturer: Us Army Aviation and Missile Command
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Converter,coaxial Thermal, cataloged under National Stock Number 4931-00-178-1063, is classified within Federal Supply Class 4931 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 1 verified specification, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4931-00-178-1063
Primary Part NumberMIS-10221TYPE6
Item NameConverter,coaxial Thermal
FSC / FSG4931 / 49 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
General Characteristics Item DescriptionBRASS,5.625 IN. LG,2.125 IN. DIA,FREQ RANGE FROM DC TO 100 MHZ,INPUT RESISTANCE 200 OHMS PER V,VOLTAGE RATING 20.0 V MHz
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2815-00-376-8318139420 INTERCHANGEABLE
Camshaft,engine
Cummins Inc.
5330-01-495-607107.0711.0209 INTERCHANGEABLE
Seal Ring
Terex American Crane Corp
4240-01-687-14854550-MD-CB INTERCHANGEABLE
Harness,mountain Climbing-Rescue
Misty Mountain Threadworks, Inc. Dba Misty Mountain Threadworks Inc
Cross-Reference Index
Part NumberManufacturer
MIS-10221TYPE6 PRIMARY Us Army Aviation and Missile Command (USA)
1394A-20 Ballantine Laboratories Inc (USA)
1394-20 Ballantine Laboratories Inc (USA)
Related Parts
2815-00-376-8318INTERCHANGEABLE
CAMSHAFT,ENGINE
139420
5330-01-495-6071INTERCHANGEABLE
SEAL RING
07.0711.0209
4240-01-687-1485INTERCHANGEABLE
HARNESS,MOUNTAIN CLIMBING-RESCUE
4550-MD-CB

Frequently Asked Questions

What is NSN 4931-00-178-1063?

NSN 4931-00-178-1063 is a Converter,coaxial Thermal, manufactured by Us Army Aviation and Missile Command, classified under FSC 4931 (No Item Name Available). Status: active.

What are the part numbers for NSN 4931-00-178-1063?

NSN 4931-00-178-1063 has 3 cross-referenced part numbers: MIS-10221TYPE6 (Us Army Aviation and Missile Command), 1394A-20 (Ballantine Laboratories Inc), 1394-20 (Ballantine Laboratories Inc).

What NSN replaces 4931-00-178-1063?

There are 3 known substitutes for 4931-00-178-1063: 2815-00-376-8318, 5330-01-495-6071, 4240-01-687-1485. Verify interchangeability with system specifications before substitution.

What are the specifications of MIS-10221TYPE6?

Key specifications for MIS-10221TYPE6: General Characteristics Item Description: BRASS,5.625 IN. LG,2.125 IN. DIA,FREQ RANGE FROM DC TO 100 MHZ,INPUT RESISTANCE 200 OHMS PER V,VOLTAGE RATING 20.0 V MHz. 1 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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