PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

940Valve Assy,second S

Fluid Power, Inc. · NSN 1660-00-487-0078 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-487-0078 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-487-0078. Primary manufacturer part number: 940.
Features
  • Valve Assy,second S — FSC 1660
  • 6 verified cross-references
  • Primary manufacturer: Fluid Power, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assy,second S, cataloged under National Stock Number 1660-00-487-0078, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Fluid Power, Inc.. This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameValve Assy,second S
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersIngersoll-Rand Company Dba Ingersoll-Rand (CAGE 03990); Mission Systems Orchard Park Inc (CAGE 04577); Fluid Power, Inc. (CAGE 99227); Safran Aerosystems Ex Safran Aerotechnics Plaisir (CAGE F0553)
Technical Specifications
ParameterValue
NSN1660-00-487-0078
Primary Part Number940
Item NameValve Assy,second S
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerFluid Power, Inc.
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6140-00-538-1050 INTERCHANGEABLE
Battery,storage
5998-01-279-7868401778 INTERCHANGEABLE
Circuit Card Assembly
Astronics Test Systems Inc
Cross-Reference Index
Part NumberManufacturer
0-521-245 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
0-521-340 Mission Systems Orchard Park Inc (USA)
940 PRIMARY Fluid Power, Inc. (USA)
401778 Safran Aerosystems Ex Safran Aerotechnics Plaisir (FRA)
0-521-245 PRIMARY Mission Systems Orchard Park Inc (USA)
0-521-340 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
Related Parts
6140-00-538-1050INTERCHANGEABLE
BATTERY,STORAGE
5998-01-279-7868INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
401778

Frequently Asked Questions

What is NSN 1660-00-487-0078?

NSN 1660-00-487-0078 is a Valve Assy,second S, manufactured by Fluid Power, Inc., classified under FSC 1660 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1660-00-487-0078?

NSN 1660-00-487-0078 has 6 cross-referenced part numbers: 0-521-245 (Ingersoll-Rand Company Dba Ingersoll-Rand), 0-521-340 (Mission Systems Orchard Park Inc), 940 (Fluid Power, Inc.), 401778 (Safran Aerosystems Ex Safran Aerotechnics Plaisir), 0-521-245 (Mission Systems Orchard Park Inc) and 1 more.

What NSN replaces 1660-00-487-0078?

There are 2 known substitutes for 1660-00-487-0078: 6140-00-538-1050, 5998-01-279-7868. Verify interchangeability with system specifications before substitution.

Is NSN 1660-00-487-0078 still in active supply?

NSN 1660-00-487-0078 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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