PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1659Valve Assy,hydrauli

Pneudraulics, Inc. · NSN 1680-00-435-5411 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-435-5411 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-435-5411. Primary manufacturer part number: 1659.
Features
  • Valve Assy,hydrauli — FSC 1680
  • 2 verified cross-references
  • Primary manufacturer: Pneudraulics, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assy,hydrauli, cataloged under National Stock Number 1680-00-435-5411, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Pneudraulics, Inc.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve Assy,hydrauli
FSC / FSG1680 — No Item Name Available (FSG 16)
ManufacturersKampi Components Co Inc (CAGE 7Z016); Pneudraulics, Inc. (CAGE 06177)
Technical Specifications
ParameterValue
NSN1680-00-435-5411
Primary Part Number1659
Item NameValve Assy,hydrauli
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerPneudraulics, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-6168 INTERCHANGEABLE
Ball,bearing
5905-00-106-7012 INTERCHANGEABLE
Resistor Set,matched
5935-00-549-4612165-9 INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corp Div Amphenol Aerospace Operations
5999-00-570-00161659 INTERCHANGEABLE
Contact,electrical
Curtiss-Wright Controls Integrated Sensing, Inc.
5910-00-821-83130160-0025 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
5905-00-872-43351659 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Guildline Instruments Ltd
4310-00-949-0345 INTERCHANGEABLE
Compressor Unit,rotary
5965-00-995-2075 INTERCHANGEABLE
Headset-Microphone
5340-01-004-4321 INTERCHANGEABLE
Grip,handle
9330-01-019-3303ECCOSORB AN-W75 INTERCHANGEABLE
Plastic Sheet
Maryed International Inc Dba Buzzoff Outdoor Wear
Cross-Reference Index
Part NumberManufacturer
1659 Kampi Components Co Inc (USA)
1659 PRIMARY Pneudraulics, Inc. (USA)
Related Parts
3110-00-100-6168INTERCHANGEABLE
BALL,BEARING
5905-00-106-7012INTERCHANGEABLE
RESISTOR SET,MATCHED
5935-00-549-4612INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
165-9
5999-00-570-0016INTERCHANGEABLE
CONTACT,ELECTRICAL
1659
5910-00-821-8313INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
0160-0025
5905-00-872-4335INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
1659
4310-00-949-0345INTERCHANGEABLE
COMPRESSOR UNIT,ROTARY
5965-00-995-2075INTERCHANGEABLE
HEADSET-MICROPHONE
5340-01-004-4321INTERCHANGEABLE
GRIP,HANDLE
9330-01-019-3303INTERCHANGEABLE
PLASTIC SHEET
ECCOSORB AN-W75
5365-01-045-2672INTERCHANGEABLE
BUSHING,NONMETALLIC
9340-01-177-8572INTERCHANGEABLE
MAT,REINFORCING,FIBROUS GLASS
1659 FIN 271, 36" WHITE

Frequently Asked Questions

What is NSN 1680-00-435-5411?

NSN 1680-00-435-5411 is a Valve Assy,hydrauli, manufactured by Pneudraulics, Inc., classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-00-435-5411?

NSN 1680-00-435-5411 has 2 cross-referenced part numbers: 1659 (Kampi Components Co Inc), 1659 (Pneudraulics, Inc.).

What NSN replaces 1680-00-435-5411?

There are 12 known substitutes for 1680-00-435-5411: 3110-00-100-6168, 5905-00-106-7012, 5935-00-549-4612 and 9 more. Verify interchangeability with system specifications before substitution.

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