PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

38667Disk,valve

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 4820-01-128-9639 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-128-9639 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-128-9639. Primary manufacturer part number: 38667.
Features
  • Disk,valve — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
  • 5 verified cross-references
  • Primary manufacturer: Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-128-9639, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-128-9639
Primary Part Number38667
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2825-00-390-4131 INTERCHANGEABLE
Ball,socket Assembly
5950-00-655-08419062935 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
5342-00-722-4525269428 INTERCHANGEABLE
Anode,corrosion Preventive
Young Touchstone Company Div Young Touchstone
5961-00-952-10781912-0004 INTERCHANGEABLE
Semiconductor Device,diode
Hewlett-Packard Company Dba HP
5950-01-013-027438667 INTERCHANGEABLE
Transformer,power
Telephonics Corp/prd Instruments
Cross-Reference Index
Part NumberManufacturer
38667 Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
54360-1 ITEM 25 Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
54360-1 ITEM 25CP Naval Inventory Control Point Mechanicsburg (USA)
38667CP Naval Inventory Control Point Mechanicsburg (USA)
38667 CP Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
2825-00-390-4131INTERCHANGEABLE
BALL,SOCKET ASSEMBLY
5950-00-655-0841INTERCHANGEABLE
TRANSFORMER,POWER
9062935
5342-00-722-4525INTERCHANGEABLE
ANODE,CORROSION PREVENTIVE
269428
5961-00-952-1078INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1912-0004
5950-01-013-0274INTERCHANGEABLE
TRANSFORMER,POWER
38667

Frequently Asked Questions

What is NSN 4820-01-128-9639?

NSN 4820-01-128-9639 is a Disk,valve, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-128-9639?

NSN 4820-01-128-9639 has 5 cross-referenced part numbers: 38667 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson), 54360-1 ITEM 25 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson), 54360-1 ITEM 25CP (Naval Inventory Control Point Mechanicsburg), 38667CP (Naval Inventory Control Point Mechanicsburg), 38667 CP (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 4820-01-128-9639?

There are 5 known substitutes for 4820-01-128-9639: 2825-00-390-4131, 5950-00-655-0841, 5342-00-722-4525 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 38667?

Key specifications for 38667: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330. 2 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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