PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90558Adapter,test

Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris · NSN 4920-01-138-2356 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-138-2356 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-138-2356. Primary manufacturer part number: 90558.
Features
  • Adapter,test — FSC 4920
  • Functional Description: USED TO ADAPT PUMP TO TEST FLUID CIRCUIT OF TEST STAND AND PROVIDE AN ELECTRICAL HARNESS
  • Test Item Connection Method: CONNECTOR
  • 2 verified cross-references
  • Primary manufacturer: Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Adapter,test, cataloged under National Stock Number 4920-01-138-2356, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-01-138-2356
Primary Part Number90558
Item NameAdapter,test
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerCurtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
StatusACTIVE
Functional DescriptionUSED TO ADAPT PUMP TO TEST FLUID CIRCUIT OF TEST STAND AND PROVIDE AN ELECTRICAL HARNESS
Test Item Connection MethodCONNECTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1650-00-474-197290558 INTERCHANGEABLE
Disk and Seat,valve
Northrop Grumman Systems Corporation
5305-00-579-2139 INTERCHANGEABLE
Screw,machine
5930-01-025-920902-19-008A INTERCHANGEABLE
Switch,toggle
Hatco Corp
Cross-Reference Index
Part NumberManufacturer
90558 PRIMARY Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA)
90558 Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA)
Related Parts
1650-00-474-1972INTERCHANGEABLE
DISK AND SEAT,VALVE
90558
5305-00-579-2139INTERCHANGEABLE
SCREW,MACHINE
5930-01-025-9209INTERCHANGEABLE
SWITCH,TOGGLE
02-19-008A

Frequently Asked Questions

What is NSN 4920-01-138-2356?

NSN 4920-01-138-2356 is a Adapter,test, manufactured by Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-138-2356?

NSN 4920-01-138-2356 has 2 cross-referenced part numbers: 90558 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris), 90558 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit).

What NSN replaces 4920-01-138-2356?

There are 3 known substitutes for 4920-01-138-2356: 1650-00-474-1972, 5305-00-579-2139, 5930-01-025-9209. Verify interchangeability with system specifications before substitution.

What are the specifications of 90558?

Key specifications for 90558: Functional Description: USED TO ADAPT PUMP TO TEST FLUID CIRCUIT OF TEST STAND AND PROVIDE AN ELECTRICAL HARNESS; Test Item Connection Method: CONNECTOR; End Item Identification: F-16 ACFT AGE. 3 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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