PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-11303Filter Element,fluid

Woodward Hrt Inc · NSN 1650-00-436-8238 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-436-8238 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-436-8238. Primary manufacturer part number: 21-11303.
Features
  • Filter Element,fluid — FSC 1650
  • 11 verified cross-references
  • Primary manufacturer: Woodward Hrt Inc
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter Element,fluid, cataloged under National Stock Number 1650-00-436-8238, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Woodward Hrt Inc. This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameFilter Element,fluid
FSC / FSG1650 — No Item Name Available (FSG 16)
ManufacturersWoodward Hrt Inc (CAGE 81873); Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in (CAGE 90005); Transdigm Inc Div Aero Fluid Products (CAGE 96124); Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M (CAGE 81349); Pti Technologies Inc. (CAGE 05228)
Technical Specifications
ParameterValue
NSN1650-00-436-8238
Primary Part Number21-11303
Item NameFilter Element,fluid
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerWoodward Hrt Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
1650-00-015-8887 INTERCHANGEABLE
Filter Element,fluid
1650-00-061-7836 INTERCHANGEABLE
Filter Element,fluid
1650-00-061-7906 INTERCHANGEABLE
Filter Element,fluid
1650-00-149-8335 INTERCHANGEABLE
Filter Element,fluid
1650-00-255-2694 INTERCHANGEABLE
Filter Element,fluid
1650-00-761-2206AC-9607F-8 INTERCHANGEABLE
Filter Element,fluid
Pall Aeropower Corporation
Cross-Reference Index
Part NumberManufacturer
21-11303 Woodward Hrt Inc (USA)
049480 Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in (USA)
21-11303 Transdigm Inc Div Aero Fluid Products (USA)
MIL-F-8815/3-10 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
21-11303 Pti Technologies Inc. (USA)
MIL-F-8815/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1650PL1624754 Jednolity Indeks Materialowy - Uniform Material Index (POL)
M8815/3-10 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS28897-10 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
1650PL0857580 Jednolity Indeks Materialowy - Uniform Material Index (POL)
AC-9607F-10 Pall Aeropower Corporation (USA)
Related Parts
1650-00-015-8887INTERCHANGEABLE
FILTER ELEMENT,FLUID
1650-00-061-7836INTERCHANGEABLE
FILTER ELEMENT,FLUID
1650-00-061-7906INTERCHANGEABLE
FILTER ELEMENT,FLUID
1650-00-149-8335INTERCHANGEABLE
FILTER ELEMENT,FLUID
1650-00-255-2694INTERCHANGEABLE
FILTER ELEMENT,FLUID
1650-00-761-2206INTERCHANGEABLE
FILTER ELEMENT,FLUID
AC-9607F-8

Frequently Asked Questions

What is NSN 1650-00-436-8238?

NSN 1650-00-436-8238 is a Filter Element,fluid, manufactured by Woodward Hrt Inc, classified under FSC 1650 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1650-00-436-8238?

NSN 1650-00-436-8238 has 11 cross-referenced part numbers: 21-11303 (Woodward Hrt Inc), 049480 (Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in), 21-11303 (Transdigm Inc Div Aero Fluid Products), MIL-F-8815/3-10 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 21-11303 (Pti Technologies Inc.) and 6 more.

What NSN replaces 1650-00-436-8238?

There are 6 known substitutes for 1650-00-436-8238: 1650-00-015-8887, 1650-00-061-7836, 1650-00-061-7906 and 3 more. Verify interchangeability with system specifications before substitution.

Is NSN 1650-00-436-8238 still in active supply?

NSN 1650-00-436-8238 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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