The Fan Tray Assembly, cataloged under National Stock Number 4140-01-479-3397, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-479-3397 |
| Item Name | Fan Tray Assembly |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| 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 |
| Reference | Meaning |
|---|---|
| 13228099-01 | C/1 Advisory reference — outside the item-of-supply concept General Dynamics Mission Systems, Inc. |
| 13228099-01 | 3/9 Design control — primary reference General Dynamics Information Systems Inc. Dba General Dynamics Advanced Information Systems |
NSN 4140-01-479-3397 is a Fan Tray Assembly, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-479-3397: Special Features: FAN ASSEMBLY, FRAME, FAN TRAY, CABLE ASSEMBLY - FAN TRAY, HANDLE, FOLDING, ROUND, TWO POSITION, 4.25 INCH, SCREW MACHINE FLAT COUNTERSUNK 6-32 UNC-2AX5/8 LG CR, CLAMP,LOOP,NYLON, NOMINAL DIA .125, PLAIN TYPE, NATURAL, CLAMP LOOP NYLON CLAMP LOOP NULON 1/8 PLAIN, WASHER, FLAT,NO.6 STD,CRES,.156 IDX.312 OFX.035T, NUT,HEX,6-32 UNC,PLAIN,CRES 5/15 IN FLATSX.114THK,WASHER,FLAT,NO 4 STD,CRES, .125N IDX250ODX.022T, NUT,HEX,4-40UNC,PLAIN,CRES,1/4 IN FLATSX.098 THK NUT,CAP,SELF-LOCKING WASHER FLAT REDUCED OD NO 4 CRES IN. 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.