PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WT40366Disk,valve

Reidville Hydraulics & Mfg Inc · NSN 4820-00-168-1376 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-168-1376 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-168-1376. Primary manufacturer part number: WT40366.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL
  • Style Designator: POPPET
  • 3 verified cross-references
  • Primary manufacturer: Reidville Hydraulics & Mfg Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-168-1376, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Reidville Hydraulics & Mfg Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN4820-00-168-1376
Primary Part NumberWT40366
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerReidville Hydraulics & Mfg Inc
StatusACTIVE
MaterialSTEEL
Style DesignatorPOPPET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-840-7460142922-01 INTERCHANGEABLE
Transformer,power
Ge Aviation Systems Llc
5895-01-354-555540366 INTERCHANGEABLE
Modem,communications
Motorola/codex Corp Sub of Motorola Inc
5945-01-437-7653S-201 INTERCHANGEABLE
Relay,solid State
Generac Corp
5365-01-658-663940366 INTERCHANGEABLE
Spacer,straight
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
WT40366 Eaton Aerospace, Llc Dba Jackson South (USA)
40366 Eaton Aerospace, Llc Dba Jackson South (USA)
WT40366 PRIMARY Reidville Hydraulics & Mfg Inc (USA)
Related Parts
5950-00-840-7460INTERCHANGEABLE
TRANSFORMER,POWER
142922-01
5895-01-354-5555INTERCHANGEABLE
MODEM,COMMUNICATIONS
40366
5945-01-437-7653INTERCHANGEABLE
RELAY,SOLID STATE
S-201
5365-01-658-6639INTERCHANGEABLE
SPACER,STRAIGHT
40366

Frequently Asked Questions

What is NSN 4820-00-168-1376?

NSN 4820-00-168-1376 is a Disk,valve, manufactured by Reidville Hydraulics & Mfg Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-168-1376?

NSN 4820-00-168-1376 has 3 cross-referenced part numbers: WT40366 (Eaton Aerospace, Llc Dba Jackson South), 40366 (Eaton Aerospace, Llc Dba Jackson South), WT40366 (Reidville Hydraulics & Mfg Inc).

What NSN replaces 4820-00-168-1376?

There are 4 known substitutes for 4820-00-168-1376: 5950-00-840-7460, 5895-01-354-5555, 5945-01-437-7653 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WT40366?

Key specifications for WT40366: Material: STEEL; Overall Height: 3.240 INCHES NOMINAL IN; Style Designator: POPPET. 3 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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