PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

64419Test Station,electrical-Electron

Espey Mfg. & Electronics Corp. · NSN 6625-01-504-6663 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-504-6663 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-504-6663. Primary manufacturer part number: 64419.
Features
  • Test Station,electrical-Electron — FSC 6625
  • 3 verified cross-references
  • Primary manufacturer: Espey Mfg. & Electronics Corp.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Test Station,electrical-Electron, cataloged under National Stock Number 6625-01-504-6663, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Espey Mfg. & Electronics Corp.. This item has 3 commercial cross-references from 3 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
NSN6625-01-504-6663
Primary Part Number64419
Item NameTest Station,electrical-Electron
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerEspey Mfg. & Electronics Corp.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5895-01-661-1231 (64419)
HAZMATNo
Verified Substitutes 5
5895-01-661-123164419 SUCCESSOR
Receiver-Transmitter Subassembly
Viavi Solutionsllc
5330-00-383-8702Y400B00320 INTERCHANGEABLE
Gasket
Sealcraft Corporation
2530-00-426-0770SM1843 INTERCHANGEABLE
Lining,friction
Air Liquide America Corp Ransome Div
3460-00-449-7730 INTERCHANGEABLE
Wheel,buffing
5330-01-177-8341 INTERCHANGEABLE
Retainer,packing
Cross-Reference Index
Part NumberManufacturer
64419 Espey Mfg. & Electronics Corp. (USA)
2410353864419 Lockheed Martin Corporation Div Rms (USA)
64419 Espey Mfg and Electronics Corp (USA)
Related Parts
SUCCESSOR 5895-01-661-1231 Receiver-Transmitter Subassembly · 64419
5330-00-383-8702INTERCHANGEABLE
GASKET
Y400B00320
2530-00-426-0770INTERCHANGEABLE
LINING,FRICTION
SM1843
3460-00-449-7730INTERCHANGEABLE
WHEEL,BUFFING
5330-01-177-8341INTERCHANGEABLE
RETAINER,PACKING

Frequently Asked Questions

What is NSN 6625-01-504-6663?

NSN 6625-01-504-6663 is a Test Station,electrical-Electron, manufactured by Espey Mfg. & Electronics Corp., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-504-6663?

NSN 6625-01-504-6663 has 3 cross-referenced part numbers: 64419 (Espey Mfg. & Electronics Corp.), 2410353864419 (Lockheed Martin Corporation Div Rms), 64419 (Espey Mfg and Electronics Corp).

What NSN replaces 6625-01-504-6663?

There are 5 known substitutes for 6625-01-504-6663: 5895-01-661-1231, 5330-00-383-8702, 2530-00-426-0770 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 64419?

Key specifications for 64419: End Item Identification: WAVEGUIDE ASSEMBLY; End Item Identification: WAVEGUIDE ASSEMBLY. 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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