NSN 4140-01-390-3331 · NIIN 013903331 · Part number D-2651
Tech-Etch, Inc. Dba Tech-Etch Inc · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 52814
Government record, cited
NSN 4140-01-390-3331 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-390-3331. Manufacturer of record part number: D-2651.
Also searched as4140-01-390-3331 ·
4140013903331 ·
NIIN 013903331 ·
01-390-3331 ·
FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 52814 · D-2651 · D-2651 SK
Manufacturer of record: Tech-Etch, Inc. Dba Tech-Etch Inc
Identification
NSN: 4140-01-390-3331
NIIN: 013903331
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
Primary part number: D-2651
Manufacturer: Tech-Etch, Inc. Dba Tech-Etch Inc
General Description
The Cover,ventilatory, cataloged under National Stock Number 4140-01-390-3331, 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 Tech-Etch, Inc. Dba Tech-Etch Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4140-01-390-3331
Primary Part Number
D-2651
Item Name
Cover,ventilatory
FSC / FSG
4140 / 41 — Fans, Air Circulators, and Blower Equipment
C/1Advisory reference — outside the item-of-supply concept
Zf Industrieantriebe Witten Gmbh
No interchangeability data on file.
Other items in FSC 4140 — Fans, Air Circulators, and Blower Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4140-00-000-0082
IMPELLER,FAN,AXIAL
4140-00-001-1517
FAN,CENTRIFUGAL
4140-00-001-1536
FAN,VENTILATING
4140-00-001-1537
4140-00-001-1537 · Item name not on file
4140-00-001-3930
4140-00-001-3930 · Item name not on file
4140-00-001-6464
4140-00-001-6464 · Item name not on file
4140-00-001-6874
4140-00-001-6874 · Item name not on file
4140-00-001-6875
4140-00-001-6875 · Item name not on file
Frequently Asked Questions
What is NSN 4140-01-390-3331?
NSN 4140-01-390-3331 is a Cover,ventilatory, manufactured by Tech-Etch, Inc. Dba Tech-Etch Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
What part numbers are listed for NSN 4140-01-390-3331?
NSN 4140-01-390-3331 has 2 manufacturer part numbers on file: D-2651 (Tech-Etch, Inc. Dba Tech-Etch Inc), D-2651 SK (L3 Technologies, Inc.).
What are the specifications of D-2651?
Key specifications for D-2651: Special Features: ALUMINUM ALLOY; 8.000 IN. LG; 6.000 IN. W; 0.625 IN. H IN; End Item Identification: LOS ANGELES CLASS SSN (688). 0 specifications are documented in the U.S. Government catalog.
Is NSN 4140-01-390-3331 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.