PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

687374Plug,trip Valve

Hamilton Sundstrand Corporation · NSN 1650-00-524-0665 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-524-0665 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-524-0665. Primary manufacturer part number: 687374.
Features
  • Plug,trip Valve — FSC 1650
  • General Characteristics Item Description: STEEL PER MIL&S&7420,0.688 IN. LG,0.748 IN. OD IN
  • 1 verified cross-reference
  • Primary manufacturer: Hamilton Sundstrand Corporation
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Plug,trip Valve, cataloged under National Stock Number 1650-00-524-0665, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Hamilton Sundstrand Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-00-524-0665
Primary Part Number687374
Item NamePlug,trip Valve
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation
StatusACTIVE
General Characteristics Item DescriptionSTEEL PER MIL&S&7420,0.688 IN. LG,0.748 IN. OD IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5977-00-233-1060MCL-133 INTERCHANGEABLE
Brush,electrical Contact
Prestolite Electric Inc
5998-00-992-0114 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
687374 PRIMARY Hamilton Sundstrand Corporation (USA)
Related Parts
5977-00-233-1060INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
MCL-133
5998-00-992-0114INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 1650-00-524-0665?

NSN 1650-00-524-0665 is a Plug,trip Valve, manufactured by Hamilton Sundstrand Corporation, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-524-0665?

NSN 1650-00-524-0665 has 1 cross-referenced part number: 687374 (Hamilton Sundstrand Corporation).

What NSN replaces 1650-00-524-0665?

There are 2 known substitutes for 1650-00-524-0665: 5977-00-233-1060, 5998-00-992-0114. Verify interchangeability with system specifications before substitution.

What are the specifications of 687374?

Key specifications for 687374: General Characteristics Item Description: STEEL PER MIL&S&7420,0.688 IN. LG,0.748 IN. OD IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com