PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-11125-3Filter Assy,variabl

Pti Technologies Inc. · NSN 1680-00-234-8163 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-234-8163 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-234-8163. Primary manufacturer part number: 21-11125-3.
Features
  • Filter Assy,variabl — FSC 1680
  • 7 verified cross-references
  • Primary manufacturer: Pti Technologies Inc.
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter Assy,variabl, cataloged under National Stock Number 1680-00-234-8163, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Pti Technologies Inc.. This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameFilter Assy,variabl
FSC / FSG1680 — No Item Name Available (FSG 16)
ManufacturersTransdigm Inc Div Aero Fluid Products (CAGE 96124); Goodrich Actuation Systems Ltd (CAGE K0377); Pti Technologies Inc. (CAGE 05228); Woodward Hrt Inc (CAGE 81873)
Technical Specifications
ParameterValue
NSN1680-00-234-8163
Primary Part Number21-11125-3
Item NameFilter Assy,variabl
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerPti Technologies Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2910-00-764-68852A6377 INTERCHANGEABLE
Filter Element,fluid
Napco International Llc Dba Napco International Inc
Cross-Reference Index
Part NumberManufacturer
21-11125-3 Transdigm Inc Div Aero Fluid Products (USA)
CH618-145 Goodrich Actuation Systems Ltd (GBR)
21-11125-3 PRIMARY Pti Technologies Inc. (USA)
21-00025-3 Pti Technologies Inc. (USA)
21-1125-3 Pti Technologies Inc. (USA)
7593232-101 Pti Technologies Inc. (USA)
21-11125-3 Woodward Hrt Inc (USA)
Related Parts
2910-00-764-6885INTERCHANGEABLE
FILTER ELEMENT,FLUID
2A6377

Frequently Asked Questions

What is NSN 1680-00-234-8163?

NSN 1680-00-234-8163 is a Filter Assy,variabl, manufactured by Pti Technologies Inc., classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-00-234-8163?

NSN 1680-00-234-8163 has 7 cross-referenced part numbers: 21-11125-3 (Transdigm Inc Div Aero Fluid Products), CH618-145 (Goodrich Actuation Systems Ltd), 21-11125-3 (Pti Technologies Inc.), 21-00025-3 (Pti Technologies Inc.), 21-1125-3 (Pti Technologies Inc.) and 2 more.

What NSN replaces 1680-00-234-8163?

There is 1 known substitute for 1680-00-234-8163: 2910-00-764-6885. Verify interchangeability with system specifications before substitution.

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