The Control Box, cataloged under National Stock Number 4520-01-464-4999, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Microtherm Llc. Government technical data includes 1 verified specification, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-464-4999 |
| Primary Part Number | 501-A |
| Item Name | Control Box |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Microtherm Llc |
| Status | ACTIVE |
| General Characteristics Item Description | MICRO PROCESSOR-BASED BOILER CONTROL DEVICE; DESIGNED FOR GAS AND OIL-FIRED HOT WATER BOILERS; BUILT-IN LCD SCREEN; 8.5 IN. H, 6.5 IN. W, 5.0 IN. D, 220 VOLT AC, 60.0 HZ, 6 AMPS. IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 501-A PRIMARY | Microtherm Llc (USA) |
NSN 4520-01-464-4999 is a Control Box, manufactured by Microtherm Llc, classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-01-464-4999 has 1 cross-referenced part number: 501-A (Microtherm Llc).
There are 9 known substitutes for 4520-01-464-4999: 6760-00-048-0922, 5905-00-059-9451, 5962-00-423-6195 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 501-A: General Characteristics Item Description: MICRO PROCESSOR-BASED BOILER CONTROL DEVICE; DESIGNED FOR GAS AND OIL-FIRED HOT WATER BOILERS; BUILT-IN LCD SCREEN; 8.5 IN. H, 6.5 IN. W, 5.0 IN. D, 220 VOLT AC, 60.0 HZ, 6 AMPS. IN. 1 total characteristics are documented in the Federal Logistics Information System.