PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71998Adapter,hydraulic M

Northrop Grumman Systems Corporation · NSN 1650-00-306-2959 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-306-2959 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-306-2959. Primary manufacturer part number: 71998.
Features
  • Adapter,hydraulic M — FSC 1650
  • 1 verified cross-reference
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Adapter,hydraulic M, cataloged under National Stock Number 1650-00-306-2959, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Northrop Grumman Systems Corporation. 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 NameAdapter,hydraulic M
FSC / FSG1650 — No Item Name Available (FSG 16)
ManufacturersNorthrop Grumman Systems Corporation (CAGE 26512)
Technical Specifications
ParameterValue
NSN1650-00-306-2959
Primary Part Number71998
Item NameAdapter,hydraulic M
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5815-00-126-864171998 INTERCHANGEABLE
Collar,locking
Telemechanics Inc
3040-00-138-861371998 INTERCHANGEABLE
Connecting Link,rigid
L3harris Technologies, Inc Div Space & Airborne Systems
5950-01-069-9395 INTERCHANGEABLE
Coil,radio Frequency
4820-01-221-21216608 INTERCHANGEABLE
Stem,fluid Valve
Lawler Manufacturing Company, Inc.
6150-01-288-484310-4472 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Kidde Technologies, Inc Div Kidde Aerospace and Defense
4820-01-478-36264040-201 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
71998 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
5815-00-126-8641INTERCHANGEABLE
COLLAR,LOCKING
71998
3040-00-138-8613INTERCHANGEABLE
CONNECTING LINK,RIGID
71998
5950-01-069-9395INTERCHANGEABLE
COIL,RADIO FREQUENCY
4820-01-221-2121INTERCHANGEABLE
STEM,FLUID VALVE
6608
6150-01-288-4843INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
10-4472
4820-01-478-3626INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
4040-201

Frequently Asked Questions

What is NSN 1650-00-306-2959?

NSN 1650-00-306-2959 is a Adapter,hydraulic M, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-306-2959?

NSN 1650-00-306-2959 has 1 cross-referenced part number: 71998 (Northrop Grumman Systems Corporation).

What NSN replaces 1650-00-306-2959?

There are 6 known substitutes for 1650-00-306-2959: 5815-00-126-8641, 3040-00-138-8613, 5950-01-069-9395 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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