PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-11402Filter Element,fluid

Transdigm Inc Div Aero Fluid Products · NSN 1650-00-052-6592 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-052-6592 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-052-6592. Primary manufacturer part number: 21-11402.
Features
  • Filter Element,fluid — FSC 1650
  • Flow Direction: OUTSIDE IN
  • Body Inside Diameter: 0.670 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL W/ CONTAINER (RIGID)
  • Media for Which Designed: FUEL/OIL, HYDROCARBON
  • Design Type: REUSABLE
  • Material: STEEL CORROSION RESISTING FILTERING MEDIUM
  • Body Overall Length: 4.250 INCHES MINIMUM AND 4.260 INCHES MAXIMUM IN
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Steel Corrosion Resisting Filtering Medium construction
General Description

The Filter Element,fluid, cataloged under National Stock Number 1650-00-052-6592, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Transdigm Inc Div Aero Fluid Products. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN1650-00-052-6592
Primary Part Number21-11402
Item NameFilter Element,fluid
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerTransdigm Inc Div Aero Fluid Products
StatusCANCELLED
Flow DirectionOUTSIDE IN
Body Inside Diameter0.670 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL W/ CONTAINER (RIGID)
Media for Which DesignedFUEL/OIL, HYDROCARBON
Design TypeREUSABLE
MaterialSTEEL CORROSION RESISTING FILTERING MEDIUM
Body Overall Length4.250 INCHES MINIMUM AND 4.260 INCHES MAXIMUM IN
Filtering Media DesignMESH SINGLE FILTERING MEDIA RESPONSE
Temp Rating-65.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF
FSC Application DataHYDRAULIC FILTER,ACFT
MaterialSTEEL CORROSION RESISTING CONTAINER/CARTRIDGE
Filtration Rating in Microns15.0 ABSOLUTE
Body Diameter1.137 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1650-00-061-7836 INTERCHANGEABLE
Filter Element,fluid
1650-00-134-4332 INTERCHANGEABLE
Filter,fluid
1650-00-143-6335 INTERCHANGEABLE
Filter Element,fluid
1650-00-149-8331 INTERCHANGEABLE
Filter Element,fluid
1650-00-149-8335 INTERCHANGEABLE
Filter Element,fluid
1650-00-159-8605 INTERCHANGEABLE
Filter Element,fluid
1650-00-367-2949 INTERCHANGEABLE
Filter,fluid
1650-00-498-2593 INTERCHANGEABLE
Filter Element,fluid
1650-00-499-9530 INTERCHANGEABLE
Filter,fluid
4330-01-026-403311-11668-102 INTERCHANGEABLE
Filter,fluid
Pti Technologies Inc.
Cross-Reference Index
Part NumberManufacturer
21-11402 Transdigm Inc Div Aero Fluid Products (USA)
21-11402 Woodward Hrt Inc (USA)
AC-3255E-8Y1 Pall Aeropower Corporation (USA)
9056-4000 Fluid Conditioning Products, Inc. (USA)
049478 Bendix Corp the (USA)
MIL-F-8815 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
21-16713-8C Pti Technologies Inc. (USA)
MS28897-8C Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
21424-400 FIND 42 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
AC3255E8 Pall Aeropower Corporation (USA)
M8815/3-8C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
049388 Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in (USA)
Related Parts
1650-00-061-7836INTERCHANGEABLE
FILTER ELEMENT,FLUID
1650-00-134-4332INTERCHANGEABLE
FILTER,FLUID
1650-00-143-6335INTERCHANGEABLE
FILTER ELEMENT,FLUID
1650-00-149-8331INTERCHANGEABLE
FILTER ELEMENT,FLUID
1650-00-149-8335INTERCHANGEABLE
FILTER ELEMENT,FLUID
1650-00-159-8605INTERCHANGEABLE
FILTER ELEMENT,FLUID
1650-00-367-2949INTERCHANGEABLE
FILTER,FLUID
1650-00-498-2593INTERCHANGEABLE
FILTER ELEMENT,FLUID
1650-00-499-9530INTERCHANGEABLE
FILTER,FLUID
4330-01-026-4033INTERCHANGEABLE
FILTER,FLUID
11-11668-102
1650-01-031-5026INTERCHANGEABLE
FILTER,FLUID
AD-3255-10HM4
9905-01-033-0921INTERCHANGEABLE
PLATE,IDENTIFICATION
055722

Frequently Asked Questions

What is NSN 1650-00-052-6592?

NSN 1650-00-052-6592 is a Filter Element,fluid, manufactured by Transdigm Inc Div Aero Fluid Products, classified under FSC 1650 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1650-00-052-6592?

NSN 1650-00-052-6592 has 12 cross-referenced part numbers: 21-11402 (Transdigm Inc Div Aero Fluid Products), 21-11402 (Woodward Hrt Inc), AC-3255E-8Y1 (Pall Aeropower Corporation), 9056-4000 (Fluid Conditioning Products, Inc.), 049478 (Bendix Corp the) and 7 more.

What NSN replaces 1650-00-052-6592?

There are 12 known substitutes for 1650-00-052-6592: 1650-00-061-7836, 1650-00-134-4332, 1650-00-143-6335 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-11402?

Key specifications for 21-11402: Flow Direction: OUTSIDE IN; Body Inside Diameter: 0.670 INCHES NOMINAL IN; Style Designator: CYLINDRICAL W/ CONTAINER (RIGID); Media for Which Designed: FUEL/OIL, HYDROCARBON. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 1650-00-052-6592 still in active supply?

NSN 1650-00-052-6592 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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