PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21185Housing,piston

Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems · NSN 1680-01-101-5500 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-01-101-5500 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-101-5500. Primary manufacturer part number: 21185.
Features
  • Housing,piston — FSC 1680
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Housing,piston, cataloged under National Stock Number 1680-01-101-5500, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHousing,piston
FSC / FSG1680 — No Item Name Available (FSG 16)
ManufacturersEaton Corporation Dba Airframe Div Fuel & Motion Control Systems (CAGE 86090)
Technical Specifications
ParameterValue
NSN1680-01-101-5500
Primary Part Number21185
Item NameHousing,piston
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerEaton Corporation Dba Airframe Div Fuel & Motion Control Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4720-00-203-333621185 INTERCHANGEABLE
Tubing,nonmetallic
Renk America Llc Div Renk America
4730-00-287-2889146 INTERCHANGEABLE
Plug,pipe
Industrial Technologies and Services Llc
5310-00-432-813221185 INTERCHANGEABLE
Nut,hexagon
Dresser, Llc
6220-00-654-606630060-1 INTERCHANGEABLE
Light,navigational,aircraft
Grimes Aerospace Company
6210-01-019-6159 INTERCHANGEABLE
Filter,light
2540-01-718-681721185 INTERCHANGEABLE
Cover,fitted,vehicular Cab
Transhield, Inc.
Cross-Reference Index
Part NumberManufacturer
21185 PRIMARY Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems (USA)
Related Parts
4720-00-203-3336INTERCHANGEABLE
TUBING,NONMETALLIC
21185
4730-00-287-2889INTERCHANGEABLE
PLUG,PIPE
146
5310-00-432-8132INTERCHANGEABLE
NUT,HEXAGON
21185
6220-00-654-6066INTERCHANGEABLE
LIGHT,NAVIGATIONAL,AIRCRAFT
30060-1
6210-01-019-6159INTERCHANGEABLE
FILTER,LIGHT
2540-01-718-6817INTERCHANGEABLE
COVER,FITTED,VEHICULAR CAB
21185

Frequently Asked Questions

What is NSN 1680-01-101-5500?

NSN 1680-01-101-5500 is a Housing,piston, manufactured by Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-01-101-5500?

NSN 1680-01-101-5500 has 1 cross-referenced part number: 21185 (Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems).

What NSN replaces 1680-01-101-5500?

There are 6 known substitutes for 1680-01-101-5500: 4720-00-203-3336, 4730-00-287-2889, 5310-00-432-8132 and 3 more. Verify interchangeability with system specifications before substitution.

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