NSN 4140-01-669-9926 · NIIN 016699926 · Part number 50278-1
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 58163
Government record, cited
NSN 4140-01-669-9926 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-669-9926. Manufacturer of record part number: 50278-1.
Also searched as4140-01-669-9926 ·
4140016699926 ·
NIIN 016699926 ·
01-669-9926 ·
FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 58163 · 50278-1 · P51280-1 · P51280-1 ITEM 2
Manufacturer of record: Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
Identification
NSN: 4140-01-669-9926
NIIN: 016699926
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
Primary part number: 50278-1
Manufacturer: Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
General Description
The Shroud,fan,axial, cataloged under National Stock Number 4140-01-669-9926, 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 Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Shroud,fan,axial
FSC / FSG
4140 — Fans, Air Circulators, and Blower Equipment (FSG 41)
Manufacturers
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (CAGE 58163)
Technical Specifications
Parameter
Value
NSN
4140-01-669-9926
Primary Part Number
50278-1
Item Name
Shroud,fan,axial
FSC / FSG
4140 / 41 — Fans, Air Circulators, and Blower Equipment
Manufacturer
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5365-01-669-992850225-2POSSIBLE MATCH
SHIM
Possible match (shared part number)Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
4140-01-669-993050294-1POSSIBLE MATCH
IMPELLER,FAN,AXIAL
Possible match (shared part number)Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
3040-01-669-994150288-1POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
3110-01-669-994650224-1POSSIBLE MATCH
RETAINER,BALL,BEARING
Possible match (shared part number)Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
5331-01-669-9947400-165-166POSSIBLE MATCH
O-RING
Possible match (shared part number)Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
5360-01-669-9949400-218-066POSSIBLE MATCH
SPRING,FLAT
Possible match (shared part number)Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
5365-01-669-9958400-061-033POSSIBLE MATCH
PLUG,MACHINE THREAD
Possible match (shared part number)Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
6105-01-670-002650287-1POSSIBLE MATCH
END BELL,ELECTRICAL ROTATING EQU
Possible match (shared part number)Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
6105-01-670-002950226-1POSSIBLE MATCH
END BELL,ELECTRICAL ROTATING EQU
Possible match (shared part number)Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
Reference documents
Reference
Meaning
P51280-1
D/9Drawing number reference only
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
P51280-1 ITEM 2
3/9Design control — primary reference
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
Related Parts
5365-01-669-9928POSSIBLE MATCH
SHIM
50225-2
4140-01-669-9930POSSIBLE MATCH
IMPELLER,FAN,AXIAL
50294-1
3040-01-669-9941POSSIBLE MATCH
SHAFT,SHOULDERED
50288-1
3110-01-669-9946POSSIBLE MATCH
RETAINER,BALL,BEARING
50224-1
5331-01-669-9947POSSIBLE MATCH
O-RING
400-165-166
5360-01-669-9949POSSIBLE MATCH
SPRING,FLAT
400-218-066
5365-01-669-9958POSSIBLE MATCH
PLUG,MACHINE THREAD
400-061-033
6105-01-670-0026POSSIBLE MATCH
END BELL,ELECTRICAL ROTATING EQU
50287-1
6105-01-670-0029POSSIBLE MATCH
END BELL,ELECTRICAL ROTATING EQU
50226-1
Frequently Asked Questions
What is NSN 4140-01-669-9926?
NSN 4140-01-669-9926 is a Shroud,fan,axial, manufactured by Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
What part numbers are listed for NSN 4140-01-669-9926?
NSN 4140-01-669-9926 has 1 manufacturer part number on file: 50278-1 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.).
What NSN replaces 4140-01-669-9926?
9 possible matches (shared part number, not a government interchangeability claim): 5365-01-669-9928, 4140-01-669-9930, 3040-01-669-9941. Verify interchangeability with system specifications before substitution.
Is NSN 4140-01-669-9926 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.