PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43337Disk,valve

Mid-America Aerotech, Llc · NSN 4820-01-263-9554 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-263-9554 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-263-9554. Primary manufacturer part number: 43337.
Features
  • Disk,valve — FSC 4820
  • Style Designator: SOLID
  • 4 verified cross-references
  • Primary manufacturer: Mid-America Aerotech, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-263-9554, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mid-America Aerotech, Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-263-9554
Primary Part Number43337
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMid-America Aerotech, Llc
StatusACTIVE
Style DesignatorSOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5845-00-909-753943337 INTERCHANGEABLE
Writing Plate
L3harris Technologies, Inc. Div Space and Airborne Systems
5950-01-004-2494878599-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
5120-01-398-781300943337000 INTERCHANGEABLE
Socket,socket Wrench
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
Cross-Reference Index
Part NumberManufacturer
43337 Moog Inc (USA)
43337 PRIMARY Mid-America Aerotech, Llc (USA)
43337 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
43337 E-Systems Inc Montek Div Fluid Controls Opns (USA)
Related Parts
5845-00-909-7539INTERCHANGEABLE
WRITING PLATE
43337
5950-01-004-2494INTERCHANGEABLE
TRANSFORMER,POWER
878599-1
5120-01-398-7813INTERCHANGEABLE
SOCKET,SOCKET WRENCH
00943337000

Frequently Asked Questions

What is NSN 4820-01-263-9554?

NSN 4820-01-263-9554 is a Disk,valve, manufactured by Mid-America Aerotech, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-263-9554?

NSN 4820-01-263-9554 has 4 cross-referenced part numbers: 43337 (Moog Inc), 43337 (Mid-America Aerotech, Llc), 43337 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 43337 (E-Systems Inc Montek Div Fluid Controls Opns).

What NSN replaces 4820-01-263-9554?

There are 3 known substitutes for 4820-01-263-9554: 5845-00-909-7539, 5950-01-004-2494, 5120-01-398-7813. Verify interchangeability with system specifications before substitution.

What are the specifications of 43337?

Key specifications for 43337: Style Designator: SOLID. 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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