The Converter,coaxial Thermal, cataloged under National Stock Number 4931-00-178-1056, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4931-00-178-1056 |
| Primary Part Number | MIS-10221TYPE4 |
| Item Name | Converter,coaxial Thermal |
| FSC / FSG | 4931 / 49 — No Item Name Available |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS,5.625 IN. LG,2.125 IN. DIA,FREQRANGE FROM DC TO 100 MHZ,INPUT RESISTANCE 200 OHMS PER V,VOLTAGE RATING 5.0 V MHz |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1394A-5 | Ballantine Laboratories Inc (USA) |
| 1394-5 | Ballantine Laboratories Inc (USA) |
| MIS-10221TYPE4 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 4931-00-178-1056 is a Converter,coaxial Thermal, manufactured by Us Army Aviation and Missile Command, classified under FSC 4931 (No Item Name Available). Status: active.
NSN 4931-00-178-1056 has 3 cross-referenced part numbers: 1394A-5 (Ballantine Laboratories Inc), 1394-5 (Ballantine Laboratories Inc), MIS-10221TYPE4 (Us Army Aviation and Missile Command).
There are 2 known substitutes for 4931-00-178-1056: 7025-01-449-7553, 5120-01-535-0241. Verify interchangeability with system specifications before substitution.
Key specifications for MIS-10221TYPE4: General Characteristics Item Description: BRASS,5.625 IN. LG,2.125 IN. DIA,FREQRANGE FROM DC TO 100 MHZ,INPUT RESISTANCE 200 OHMS PER V,VOLTAGE RATING 5.0 V MHz. 1 total characteristics are documented in the Federal Logistics Information System.