PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1671Valve,cartridge Rel

Pneudraulics, Inc. · NSN 1650-00-117-4373 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-117-4373 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-117-4373. Primary manufacturer part number: 1671.
Features
  • Valve,cartridge Rel — FSC 1650
  • 3 verified cross-references
  • Primary manufacturer: Pneudraulics, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,cartridge Rel, cataloged under National Stock Number 1650-00-117-4373, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Pneudraulics, Inc.. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,cartridge Rel
FSC / FSG1650 — No Item Name Available (FSG 16)
ManufacturersPneudraulics, Inc. (CAGE 06177); Northrop Grumman Systems Corporation (CAGE 26512); Northrop Grumman Systems Corporation (CAGE 79RG9)
Technical Specifications
ParameterValue
NSN1650-00-117-4373
Primary Part Number1671
Item NameValve,cartridge Rel
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerPneudraulics, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5315-00-221-728012378PC1671 INTERCHANGEABLE
Pin,straight,headless
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
6150-00-406-3493302-4510952-42 INTERCHANGEABLE
Cable Assembly,power,electrical
Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace
5950-00-737-01491671 INTERCHANGEABLE
Transformer,audio Frequency
Comspace Corp Munston Electronics Div
5910-00-814-4250167-0001-001 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Viking Technologies, Ltd.
5995-01-014-40671671 INTERCHANGEABLE
Cable Assembly,printed,flexible
Centroid, Inc. Dba Centroid Inc
2940-01-131-59283302026 INTERCHANGEABLE
Filter Element,fluid
Cummins Inc.
5360-01-171-2814 INTERCHANGEABLE
Spring,spiral,torsion
6150-01-225-99925550567-1 INTERCHANGEABLE
Lead,storage Battery
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
1671 PRIMARY Pneudraulics, Inc. (USA)
128SCH181-1 Northrop Grumman Systems Corporation (USA)
128SCH181-1 Northrop Grumman Systems Corporation (USA)
Related Parts
5315-00-221-7280INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
12378PC1671
6150-00-406-3493INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
302-4510952-42
5950-00-737-0149INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
1671
5910-00-814-4250INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
167-0001-001
5995-01-014-4067INTERCHANGEABLE
CABLE ASSEMBLY,PRINTED,FLEXIBLE
1671
2940-01-131-5928INTERCHANGEABLE
FILTER ELEMENT,FLUID
3302026
5360-01-171-2814INTERCHANGEABLE
SPRING,SPIRAL,TORSION
6150-01-225-9992INTERCHANGEABLE
LEAD,STORAGE BATTERY
5550567-1

Frequently Asked Questions

What is NSN 1650-00-117-4373?

NSN 1650-00-117-4373 is a Valve,cartridge Rel, manufactured by Pneudraulics, Inc., classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-117-4373?

NSN 1650-00-117-4373 has 3 cross-referenced part numbers: 1671 (Pneudraulics, Inc.), 128SCH181-1 (Northrop Grumman Systems Corporation), 128SCH181-1 (Northrop Grumman Systems Corporation).

What NSN replaces 1650-00-117-4373?

There are 8 known substitutes for 1650-00-117-4373: 5315-00-221-7280, 6150-00-406-3493, 5950-00-737-0149 and 5 more. Verify interchangeability with system specifications before substitution.

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