The Nrp,filter,quadrafo, cataloged under National Stock Number 4120-01-657-9201, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Universal Air Filter Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Nrp,filter,quadrafo |
| FSC / FSG | 4120 — Air Conditioning Equipment (FSG 41) |
| Manufacturers | S & K Logistics Services Llc (CAGE 79MW4); Universal Air Filter Co (CAGE 58860) |
| Parameter | Value |
|---|---|
| NSN | 4120-01-657-9201 |
| Primary Part Number | RD* |
| Item Name | Nrp,filter,quadrafo |
| FSC / FSG | 4120 / 41 — Air Conditioning Equipment |
| Manufacturer | Universal Air Filter Co |
| 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 |
|---|---|
| 500K3714 | S & K Logistics Services Llc (USA) |
| RD* PRIMARY | Universal Air Filter Co (USA) |
| Reference | Meaning |
|---|---|
| 500K3714 | 5/2 Secondary reference U.S. Government activity |
| 500K3714 | 5/9 Secondary reference Drs Environmental Systems Inc |
| FF-1050-B-28.00-26-BKQ-YLCHM-1XG | 5/9 Secondary reference Universal Air Filter Co |
NSN 4120-01-657-9201 is a Nrp,filter,quadrafo, manufactured by Universal Air Filter Co, classified under FSC 4120, Air Conditioning Equipment. Status: active.
NSN 4120-01-657-9201 has 2 manufacturer part numbers on file: 500K3714 (S & K Logistics Services Llc), RD* (Universal Air Filter Co).
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.