PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20129Cap Assembly,pump

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 1650-01-219-0957 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-01-219-0957 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-219-0957. Primary manufacturer part number: 20129.
Features
  • Cap Assembly,pump — FSC 1650
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Cap Assembly,pump, cataloged under National Stock Number 1650-01-219-0957, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN1650-01-219-0957
Primary Part Number20129
Item NameCap Assembly,pump
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-035-8708 INTERCHANGEABLE
Contact,electrical
5360-00-072-090320129 INTERCHANGEABLE
Spring,helical,extension
Unipress Corporation
3110-00-100-6171 INTERCHANGEABLE
Ball,bearing
5133-00-228-1378 INTERCHANGEABLE
Drill,twist
5930-00-508-0562 INTERCHANGEABLE
Switch,rotary
5950-00-645-309020129 INTERCHANGEABLE
Transformer,power Autotransforme
Freed Transformer Co
5342-00-998-2817 INTERCHANGEABLE
Boot,drain Tub
7025-01-063-60395200-357 INTERCHANGEABLE
Intermediate Drive Assembly
Raytheon Company Div Rmd Strategic
5360-01-196-680120129 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5310-01-219-5408123W10969-11 INTERCHANGEABLE
Washer,flat
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
20129 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5999-00-035-8708INTERCHANGEABLE
CONTACT,ELECTRICAL
5360-00-072-0903INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
20129
3110-00-100-6171INTERCHANGEABLE
BALL,BEARING
5133-00-228-1378INTERCHANGEABLE
DRILL,TWIST
5930-00-508-0562INTERCHANGEABLE
SWITCH,ROTARY
5950-00-645-3090INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
20129
5342-00-998-2817INTERCHANGEABLE
BOOT,DRAIN TUB
7025-01-063-6039INTERCHANGEABLE
INTERMEDIATE DRIVE ASSEMBLY
5200-357
5360-01-196-6801INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20129
5310-01-219-5408INTERCHANGEABLE
WASHER,FLAT
123W10969-11
5360-01-334-9940INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20129
5935-01-342-3115INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
G350543-1

Frequently Asked Questions

What is NSN 1650-01-219-0957?

NSN 1650-01-219-0957 is a Cap Assembly,pump, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-01-219-0957?

NSN 1650-01-219-0957 has 1 cross-referenced part number: 20129 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 1650-01-219-0957?

There are 12 known substitutes for 1650-01-219-0957: 5999-00-035-8708, 5360-00-072-0903, 3110-00-100-6171 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20129?

Key specifications for 20129: End Item Identification: HELICOPTER MODEL CH-53E. 1 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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