NSN 1650-01-591-6904 · NIIN 015916904 · Part number 337638
Donaldson Company, Inc. · FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories · CAGE 13520
Government record, cited
NSN 1650-01-591-6904 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-591-6904. Manufacturer of record part number: 337638.
Also searched as1650-01-591-6904 ·
1650015916904 ·
NIIN 015916904 ·
01-591-6904 ·
FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components · CAGE 13520 · 337638 · 334412 · 905977-8
Nearby stock numbers← 1650-01-591-4472 Parts Kit, Linear Actuating Cylin
·
1650-01-592-2502 Spring, Lock →
Features
Filter Element,fluid — FSC 1650
2 manufacturer part numbers on file
Manufacturer of record: Donaldson Company, Inc.
Identification
NSN: 1650-01-591-6904
NIIN: 015916904
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 337638
Manufacturer: Donaldson Company, Inc.
General Description
The Filter Element,fluid, cataloged under National Stock Number 1650-01-591-6904, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Donaldson Company, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1650-01-591-6904
Primary Part Number
337638
Item Name
Filter Element,fluid
FSC / FSG
1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Manufacturer
Donaldson Company, 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 Items1
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
1560-01-651-9146905977-8POSSIBLE MATCH
SKIN,AIRCRAFT
Possible match (shared part number)Navy, United States Department of the Dba Fleet Readiness Center Southeast
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
Reference documents
Reference
Meaning
905977-8
5/9Secondary reference
U.S. Government activity
Related Parts
1560-01-651-9146POSSIBLE MATCH
SKIN,AIRCRAFT
905977-8
Frequently Asked Questions
What is NSN 1650-01-591-6904?
NSN 1650-01-591-6904 is a Filter Element,fluid, manufactured by Donaldson Company, Inc., classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
What part numbers are listed for NSN 1650-01-591-6904?
NSN 1650-01-591-6904 has 2 manufacturer part numbers on file: 337638 (Donaldson Company, Inc.), 334412 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).
What NSN replaces 1650-01-591-6904?
1 possible match (shared part number, not a government interchangeability claim): 1560-01-651-9146. Verify interchangeability with system specifications before substitution.
What are the specifications of 337638?
Key specifications for 337638: Part Name Assigned by Controlling Agency: ELEMENT,FILTER. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1650-01-591-6904 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.