NSN 4440-01-374-2509 — this item is cataloged by the U.S. Government under National Stock Number 4440-01-374-2509. Manufacturer of record part number: P4078920.
Also searched as4440-01-374-2509 ·
4440013742509 ·
NIIN 013742509 ·
01-374-2509 ·
FSC 4440 Driers, Dehydrators, and Anhydrators · CAGE 77445 · P4078920
Supply Items and Quantities: 8145-01-196-5993 COVER,FLEXIBLE,EQUIPMENT PROTECTION 1;5340-01-198-3416 CAP-PLUG,PROTECTIVE,DUST AND MOISTURE SEAL 7;6850-01-330-4295 DESICCANT,ACTIVATED 8
End Item Name: AIRCRAFT
Nonsupply Items and Quantities: 77445 83280 SEAL 3,MS20995-C41 LOCKWIRE
1 manufacturer part number on file
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Parts Kit,dehydrator, cataloged under National Stock Number 4440-01-374-2509, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4440-01-374-2509
Primary Part Number
P4078920
Item Name
Parts Kit,dehydrator
FSC / FSG
4440 / 44 — Driers, Dehydrators, and Anhydrators
Manufacturer
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Status
ACTIVE
Component Quantity
19
End Item Source
77445
Supply Items and Quantities
8145-01-196-5993 COVER,FLEXIBLE,EQUIPMENT PROTECTION 1;5340-01-198-3416 CAP-PLUG,PROTECTIVE,DUST AND MOISTURE SEAL 7;6850-01-330-4295 DESICCANT,ACTIVATED 8
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
No interchangeability data on file.
Other items in FSC 4440 — Driers, Dehydrators, and Anhydrators
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4440-00-001-6294
4440-00-001-6294 · Item name not on file
4440-00-001-6296
4440-00-001-6296 · Item name not on file
4440-00-005-5084
DEHYDRATOR UNIT,NONREACTIVATING
4440-00-006-0073
CARTRIDGE,DEHYDRATOR
4440-00-007-2318
TIMER
4440-00-008-4864
SENSOR ASSEMBLY,HUM
4440-00-009-4422
4440-00-009-4422 · Item name not on file
4440-00-009-5282
4440-00-009-5282 · Item name not on file
Frequently Asked Questions
What is NSN 4440-01-374-2509?
NSN 4440-01-374-2509 is a Parts Kit,dehydrator, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
What part numbers are listed for NSN 4440-01-374-2509?
NSN 4440-01-374-2509 has 1 manufacturer part number on file: P4078920 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of P4078920?
Key specifications for P4078920: Component Quantity: 19; End Item Source: 77445; Supply Items and Quantities: 8145-01-196-5993 COVER,FLEXIBLE,EQUIPMENT PROTECTION 1;5340-01-198-3416 CAP-PLUG,PROTECTIVE,DUST AND MOISTURE SEAL 7;6850-01-330-4295 DESICCANT,ACTIVATED 8; End Item Name: AIRCRAFT. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4440-01-374-2509 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.