The Relay-Multi Pole, cataloged under National Stock Number 4120-01-664-5643, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Asrc Federal Facilities Logistics, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Relay-Multi Pole |
| FSC / FSG | 4120 — Air Conditioning Equipment (FSG 41) |
| Manufacturers | Drs Environmental Systems Inc (CAGE 5RQL2); Asrc Federal Facilities Logistics, Llc (CAGE 79343) |
| Parameter | Value |
|---|---|
| NSN | 4120-01-664-5643 |
| Primary Part Number | G7J-4A-B-DC24 |
| Item Name | Relay-Multi Pole |
| FSC / FSG | 4120 / 41 — Air Conditioning Equipment |
| Manufacturer | Asrc Federal Facilities Logistics, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
| Part Number | Manufacturer |
|---|---|
| G7J-4A-B-DC24 | Drs Environmental Systems Inc (USA) |
| G7J-4A-B-DC24 PRIMARY | Asrc Federal Facilities Logistics, Llc (USA) |
| Reference | Meaning |
|---|---|
| G7J-4A-B-DC24 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4120-01-664-5643 is a Relay-Multi Pole, manufactured by Asrc Federal Facilities Logistics, Llc, classified under FSC 4120, Air Conditioning Equipment. Status: active.
NSN 4120-01-664-5643 has 2 manufacturer part numbers on file: G7J-4A-B-DC24 (Drs Environmental Systems Inc), G7J-4A-B-DC24 (Asrc Federal Facilities Logistics, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-697-7357. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.