PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

63881Fixture,test,electrical-Electron

Espey Mfg. & Electronics Corp. · NSN 6625-01-493-9503 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-493-9503 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-493-9503. Primary manufacturer part number: 63881.
Features
  • Fixture,test,electrical-Electron — FSC 6625
  • 2 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 Fixture,test,electrical-Electron, cataloged under National Stock Number 6625-01-493-9503, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-01-493-9503
Primary Part Number63881
Item NameFixture,test,electrical-Electron
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerEspey Mfg. & Electronics Corp.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
1560-00-001-6972 INTERCHANGEABLE
Adapter,pressure Fuel Servicing
5935-00-811-75016388-1 INTERCHANGEABLE
Connector,plug,electrical
Microwave Devices Inc
Cross-Reference Index
Part NumberManufacturer
63881 Espey Mfg. & Electronics Corp. (USA)
63881 Espey Mfg and Electronics Corp (USA)
Related Parts
1560-00-001-6972INTERCHANGEABLE
ADAPTER,PRESSURE FUEL SERVICING
5935-00-811-7501INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
6388-1

Frequently Asked Questions

What is NSN 6625-01-493-9503?

NSN 6625-01-493-9503 is a Fixture,test,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 6625-01-493-9503?

NSN 6625-01-493-9503 has 2 cross-referenced part numbers: 63881 (Espey Mfg. & Electronics Corp.), 63881 (Espey Mfg and Electronics Corp).

What NSN replaces 6625-01-493-9503?

There are 2 known substitutes for 6625-01-493-9503: 1560-00-001-6972, 5935-00-811-7501. Verify interchangeability with system specifications before substitution.

What are the specifications of 63881?

Key specifications for 63881: Part Name Assigned by Controlling Agency: FIXTURE, SCR BRIDGE TEST/LOAD; End Item Identification: RAT-31SL, LONG RANGE AIR DEFENSE RADAR; Part Name Assigned by Controlling Agency: FIXTURE, SCR BRIDGE TEST/LOAD; End Item Identification: RAT-31SL, LONG RANGE AIR DEFENSE RADAR. 4 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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