PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41746Valve Assembly

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-300-6281 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-300-6281 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-300-6281. Primary manufacturer part number: 41746.
Features
  • Valve Assembly — FSC 4320
  • General Characteristics Item Description: CONSISTS OF P/N 40236 RELIEF VALVE 1;P/N 41645 VALVE SUB-ASSEMBLY 2;P/N 41646 VALVE SUB-ASSEMBLY 6
  • 17 verified cross-references
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly, cataloged under National Stock Number 4320-00-300-6281, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-300-6281
Primary Part Number41746
Item NameValve Assembly
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF P/N 40236 RELIEF VALVE 1;P/N 41645 VALVE SUB-ASSEMBLY 2;P/N 41646 VALVE SUB-ASSEMBLY 6
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3020-00-045-68781226251 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3120-00-448-143041746 INTERCHANGEABLE
Bushing,sleeve
Telemechanics Inc
5985-00-488-2931138C029H01 INTERCHANGEABLE
Line Section,radio Frequency Tra
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5950-00-699-2419SMC488859 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
41746 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
AM57-2200MDNPC2 Norfolk Naval Shipyard (USA)
45380-3PC2 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
44491-3PC2 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
41745-3PC2 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
AM57-2200MDAPC2 Norfolk Naval Shipyard (USA)
43857-3PC2 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
41745-1PC2 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
44491-1PC2 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
ASR7-2200-510PC2 Mare Island Naval Shipyard (USA)
41975-1PC2 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
ASR7-2200-508PC2 Mare Island Naval Shipyard (USA)
DC83165A72PC2 Boston Naval Shipyard (USA)
41975-3PC2 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
43857-1PC2 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
DC83165A74PC2 Boston Naval Shipyard (USA)
45380-1PC2 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
3020-00-045-6878INTERCHANGEABLE
GEAR,SPUR
1226251
3120-00-448-1430INTERCHANGEABLE
BUSHING,SLEEVE
41746
5985-00-488-2931INTERCHANGEABLE
LINE SECTION,RADIO FREQUENCY TRA
138C029H01
5950-00-699-2419INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
SMC488859

Frequently Asked Questions

What is NSN 4320-00-300-6281?

NSN 4320-00-300-6281 is a Valve Assembly, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-300-6281?

NSN 4320-00-300-6281 has 17 cross-referenced part numbers: 41746 (Eaton Aerospace, Llc Dba Jackson South), AM57-2200MDNPC2 (Norfolk Naval Shipyard), 45380-3PC2 (Eaton Aerospace, Llc Dba Jackson South), 44491-3PC2 (Eaton Aerospace, Llc Dba Jackson South), 41745-3PC2 (Eaton Aerospace, Llc Dba Jackson South) and 12 more.

What NSN replaces 4320-00-300-6281?

There are 4 known substitutes for 4320-00-300-6281: 3020-00-045-6878, 3120-00-448-1430, 5985-00-488-2931 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41746?

Key specifications for 41746: General Characteristics Item Description: CONSISTS OF P/N 40236 RELIEF VALVE 1;P/N 41645 VALVE SUB-ASSEMBLY 2;P/N 41646 VALVE SUB-ASSEMBLY 6. 1 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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