The Fan,circulating, cataloged under National Stock Number 4140-01-424-1612, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Laurel Technologies Partnership Dba Drs Laurel Technologies. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-424-1612 |
| Primary Part Number | 515-199543 |
| Item Name | Fan,circulating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Laurel Technologies Partnership Dba Drs Laurel Technologies |
| 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 |
|---|---|
| 515-199543 PRIMARY | Laurel Technologies Partnership Dba Drs Laurel Technologies (USA) |
| Reference | Meaning |
|---|---|
| 515-199543 | 5/9 Secondary reference Drs Rugged Systems Inc Sub of Drs Technologies |
| 515-199543 | C/1 Advisory reference — outside the item-of-supply concept Nai Technologies Inc |
NSN 4140-01-424-1612 is a Fan,circulating, manufactured by Laurel Technologies Partnership Dba Drs Laurel Technologies, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-424-1612 has 1 manufacturer part number on file: 515-199543 (Laurel Technologies Partnership Dba Drs Laurel Technologies).
1 possible match (shared part number, not a government interchangeability claim): 4310-01-492-0600. Verify interchangeability with system specifications before substitution.
Key specifications for 515-199543: End Item Identification: DATA STORER, DRAWING NUMBER 6854069 (PROPRIETARY DATA). 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.