The Air Filter A002, cataloged under National Stock Number 4120-01-644-7550, 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 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4120-01-644-7550 |
| Primary Part Number | 500K3708 |
| Item Name | Air Filter A002 |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 500K3708 | New Era Contract Sales Inc (USA) |
| 500K3708 | Jgils, Llc Dba Jgils Llc (USA) |
| 500K3708 | Martin Military Inc (USA) |
| 500K3708 | Drs Environmental Systems Inc (USA) |
| 500K3708 PRIMARY | Universal Air Filter Co (USA) |
| Reference | Meaning |
|---|---|
| FF-1050-B-27.00-22.00-BKQ-YLCHM | 5/9 Secondary reference Universal Air Filter Co |
| 500K3708 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4120-01-644-7550 is a Air Filter A002, manufactured by Universal Air Filter Co, classified under FSC 4120, Air Conditioning Equipment. Status: active.
NSN 4120-01-644-7550 has 5 manufacturer part numbers on file: 500K3708 (New Era Contract Sales Inc), 500K3708 (Jgils, Llc Dba Jgils Llc), 500K3708 (Martin Military Inc), 500K3708 (Drs Environmental Systems Inc), 500K3708 (Universal Air Filter Co).
Key specifications for 500K3708: Part Name Assigned by Controlling Agency: AIR FILTER. 0 specifications are documented in the U.S. Government catalog.
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.