NSN 4140-01-640-8633 · NIIN 016408633 · Part number SRC3770-3
Srctec, Llc · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 4GHA7
Government record, cited
NSN 4140-01-640-8633 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-640-8633. Manufacturer of record part number: SRC3770-3.
Also searched as4140-01-640-8633 ·
4140016408633 ·
NIIN 016408633 ·
01-640-8633 ·
FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 4GHA7 · SRC3770-3
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
Primary part number: SRC3770-3
Manufacturer: Srctec, Llc
General Description
The Guard,fan Impeller, cataloged under National Stock Number 4140-01-640-8633, 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 Srctec, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Guard,fan Impeller
FSC / FSG
4140 — Fans, Air Circulators, and Blower Equipment (FSG 41)
Manufacturers
Srctec, Llc (CAGE 4GHA7)
Technical Specifications
Parameter
Value
NSN
4140-01-640-8633
Primary Part Number
SRC3770-3
Item Name
Guard,fan Impeller
FSC / FSG
4140 / 41 — Fans, Air Circulators, and Blower Equipment
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 4140-01-640-8633?
NSN 4140-01-640-8633 is a Guard,fan Impeller, manufactured by Srctec, Llc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
What part numbers are listed for NSN 4140-01-640-8633?
NSN 4140-01-640-8633 has 1 manufacturer part number on file: SRC3770-3 (Srctec, Llc).
Is NSN 4140-01-640-8633 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.