PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

921088Filter,fluid

Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products · NSN 1660-01-575-5581 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-01-575-5581 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-575-5581. Primary manufacturer part number: 921088.
Features
  • Filter,fluid — FSC 1660
  • 2 verified cross-references
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter,fluid, cataloged under National Stock Number 1660-01-575-5581, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameFilter,fluid
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersNavy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division (CAGE 12255); Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products (CAGE 012A4)
Technical Specifications
ParameterValue
NSN1660-01-575-5581
Primary Part Number921088
Item NameFilter,fluid
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-01-170-2378921088 INTERCHANGEABLE
Plug,pipe
Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division
5930-01-617-5175921088 INTERCHANGEABLE
Switch,pressure
True Mfg Co
Cross-Reference Index
Part NumberManufacturer
802027334316-5 Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division (USA)
921088 PRIMARY Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products (USA)
Related Parts
4730-01-170-2378INTERCHANGEABLE
PLUG,PIPE
921088
5930-01-617-5175INTERCHANGEABLE
SWITCH,PRESSURE
921088

Frequently Asked Questions

What is NSN 1660-01-575-5581?

NSN 1660-01-575-5581 is a Filter,fluid, manufactured by Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-01-575-5581?

NSN 1660-01-575-5581 has 2 cross-referenced part numbers: 802027334316-5 (Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division), 921088 (Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products).

What NSN replaces 1660-01-575-5581?

There are 2 known substitutes for 1660-01-575-5581: 4730-01-170-2378, 5930-01-617-5175. Verify interchangeability with system specifications before substitution.

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