PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6120Cartridge,hydraulic

Pneudraulics, Inc. · NSN 1650-00-159-5688 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-159-5688 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-159-5688. Primary manufacturer part number: 6120.
Features
  • Cartridge,hydraulic — FSC 1650
  • General Characteristics Item Description: HEX FLATS 2.250 IN. OD; HEX FLATS 0.370 IN. LG; FLOW SETTING 40.0;DRY WT-LB 2.25 IN
  • FSC Application Data: AIRCRAFT HYDRAULIC INSTL
  • 2 verified cross-references
  • Primary manufacturer: Pneudraulics, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cartridge,hydraulic, cataloged under National Stock Number 1650-00-159-5688, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Pneudraulics, Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN1650-00-159-5688
Primary Part Number6120
Item NameCartridge,hydraulic
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerPneudraulics, Inc.
StatusACTIVE
General Characteristics Item DescriptionHEX FLATS 2.250 IN. OD; HEX FLATS 0.370 IN. LG; FLOW SETTING 40.0;DRY WT-LB 2.25 IN
FSC Application DataAIRCRAFT HYDRAULIC INSTL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-196-49766120-0010 INTERCHANGEABLE
Valve,check
Nalge Co Div of Sybron Corp
6515-00-337-780050-3049 INTERCHANGEABLE
Forceps,tissue
Sklar Corporation Dba Sklar Instruments
5306-00-346-9962J8820 INTERCHANGEABLE
Bolt,machine
Joslyn Corp
6145-00-397-20526120 INTERCHANGEABLE
Wire,electrical
Belden, Inc.
5999-00-470-7849 INTERCHANGEABLE
Delay Line
5330-00-518-28666-120 INTERCHANGEABLE
Seal,engine
Man Diesel & Turbo Ltd
3439-00-771-3718 INTERCHANGEABLE
Tip,electric Soldering Gun
6220-01-004-11523744277 INTERCHANGEABLE
Lens,light
Chrysler Corp Service and Parts Opns
4820-01-133-76216120 INTERCHANGEABLE
Disk,valve
Philadelphia Valve Co
9540-01-213-4918 INTERCHANGEABLE
Beam,structural
Cross-Reference Index
Part NumberManufacturer
4H90702-115A Lockheed Martin Corp (USA)
6120 PRIMARY Pneudraulics, Inc. (USA)
Related Parts
4820-00-196-4976INTERCHANGEABLE
VALVE,CHECK
6120-0010
6515-00-337-7800INTERCHANGEABLE
FORCEPS,TISSUE
50-3049
5306-00-346-9962INTERCHANGEABLE
BOLT,MACHINE
J8820
6145-00-397-2052INTERCHANGEABLE
WIRE,ELECTRICAL
6120
5999-00-470-7849INTERCHANGEABLE
DELAY LINE
5330-00-518-2866INTERCHANGEABLE
SEAL,ENGINE
6-120
3439-00-771-3718INTERCHANGEABLE
TIP,ELECTRIC SOLDERING GUN
6220-01-004-1152INTERCHANGEABLE
LENS,LIGHT
3744277
4820-01-133-7621INTERCHANGEABLE
DISK,VALVE
6120
9540-01-213-4918INTERCHANGEABLE
BEAM,STRUCTURAL
7490-01-241-7062INTERCHANGEABLE
MAILING MACHINE
6120
3815-01-262-4968INTERCHANGEABLE
FAIRLEAD,ROLLER AND SHEAVE

Frequently Asked Questions

What is NSN 1650-00-159-5688?

NSN 1650-00-159-5688 is a Cartridge,hydraulic, manufactured by Pneudraulics, Inc., classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-159-5688?

NSN 1650-00-159-5688 has 2 cross-referenced part numbers: 4H90702-115A (Lockheed Martin Corp), 6120 (Pneudraulics, Inc.).

What NSN replaces 1650-00-159-5688?

There are 12 known substitutes for 1650-00-159-5688: 4820-00-196-4976, 6515-00-337-7800, 5306-00-346-9962 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6120?

Key specifications for 6120: General Characteristics Item Description: HEX FLATS 2.250 IN. OD; HEX FLATS 0.370 IN. LG; FLOW SETTING 40.0;DRY WT-LB 2.25 IN; FSC Application Data: AIRCRAFT HYDRAULIC INSTL. 2 total characteristics are documented in the Federal Logistics Information System.

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