PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

185004Synchro Transmitter

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5990-00-621-0352 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-621-0352 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-621-0352. Primary manufacturer part number: 185004.
Features
  • Synchro Transmitter — FSC 5990
  • 1 verified cross-reference
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchro Transmitter, cataloged under National Stock Number 5990-00-621-0352, is classified within Federal Supply Class 5990 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSynchro Transmitter
FSC / FSG5990 — No Item Name Available (FSG 59)
ManufacturersNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001)
Technical Specifications
ParameterValue
NSN5990-00-621-0352
Primary Part Number185004
Item NameSynchro Transmitter
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5990-00-804-4982800000-689 INTERCHANGEABLE
Synchro,transmitter
Dynalec Corporation
4730-01-122-514618500-42 INTERCHANGEABLE
Strainer Element,sediment
Leslie Controls, Inc. Dba Leslie Controls Inc
4730-01-251-93683006 INTERCHANGEABLE
Fitting,lubrication
Stewart-Warner Corporation
4940-01-560-4096185004 INTERCHANGEABLE
Basket,dipping-Draining
Thermo Forma Inc Div Thermo Forma, Inc.
2540-01-661-39734143066 INTERCHANGEABLE
Frame Section,seat,vehicular
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
185004 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5990-00-804-4982INTERCHANGEABLE
SYNCHRO,TRANSMITTER
800000-689
4730-01-122-5146INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
18500-42
4730-01-251-9368INTERCHANGEABLE
FITTING,LUBRICATION
3006
4940-01-560-4096INTERCHANGEABLE
BASKET,DIPPING-DRAINING
185004
2540-01-661-3973INTERCHANGEABLE
FRAME SECTION,SEAT,VEHICULAR
4143066

Frequently Asked Questions

What is NSN 5990-00-621-0352?

NSN 5990-00-621-0352 is a Synchro Transmitter, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5990 (No Item Name Available). Status: active.

What are the part numbers for NSN 5990-00-621-0352?

NSN 5990-00-621-0352 has 1 cross-referenced part number: 185004 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5990-00-621-0352?

There are 5 known substitutes for 5990-00-621-0352: 5990-00-804-4982, 4730-01-122-5146, 4730-01-251-9368 and 2 more. Verify interchangeability with system specifications before substitution.

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