PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21425-1Filter,aircraft Instruments

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 1680-01-390-2608 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-01-390-2608 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-390-2608. Primary manufacturer part number: 21425-1.
Features
  • Filter,aircraft Instruments — FSC 1680
  • 3 verified cross-references
  • Primary manufacturer: Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter,aircraft Instruments, cataloged under National Stock Number 1680-01-390-2608, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. This item has 3 commercial cross-references from 3 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,aircraft Instruments
FSC / FSG1680 — No Item Name Available (FSG 16)
ManufacturersRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (CAGE 13499); Ami Industries, Inc Div Utc Aerospace Systems (CAGE 31218); Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc. (CAGE 51998)
Technical Specifications
ParameterValue
NSN1680-01-390-2608
Primary Part Number21425-1
Item NameFilter,aircraft Instruments
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-294-04953606 B INTERCHANGEABLE
Clamp,hose
Norma Pennsylvania Inc. Div Breeze Industrial Products
Cross-Reference Index
Part NumberManufacturer
21425-1 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
21425-1 Ami Industries, Inc Div Utc Aerospace Systems (USA)
21425-1 Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc. (USA)
Related Parts
4730-00-294-0495INTERCHANGEABLE
CLAMP,HOSE
3606 B

Frequently Asked Questions

What is NSN 1680-01-390-2608?

NSN 1680-01-390-2608 is a Filter,aircraft Instruments, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-01-390-2608?

NSN 1680-01-390-2608 has 3 cross-referenced part numbers: 21425-1 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 21425-1 (Ami Industries, Inc Div Utc Aerospace Systems), 21425-1 (Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc.).

What NSN replaces 1680-01-390-2608?

There is 1 known substitute for 1680-01-390-2608: 4730-00-294-0495. Verify interchangeability with system specifications before substitution.

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