PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5306APlug-in Unit,electrical-Electron

Keysight Technologies Inc · NSN 6625-00-321-5176 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-321-5176 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-321-5176. Primary manufacturer part number: 5306A.
Features
  • Plug-in Unit,electrical-Electron — FSC 6625
  • Unit Type: FREQUENCY COUNTER
  • Unit Type: FREQUENCY COUNTER
  • 4 verified cross-references
  • Primary manufacturer: Keysight Technologies Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Plug-in Unit,electrical-Electron, cataloged under National Stock Number 6625-00-321-5176, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Keysight Technologies Inc. Government technical data includes 2 verified specifications, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-321-5176
Primary Part Number5306A
Item NamePlug-in Unit,electrical-Electron
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusACTIVE
Unit TypeFREQUENCY COUNTER
Unit TypeFREQUENCY COUNTER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-156-4699 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
5306A Keysight Technologies, Inc. (USA)
5306A PRIMARY Keysight Technologies Inc (USA)
421-7438 Nimikkeistokeskus Ncb Finland (FIN)
5306A Hewlett-Packard Company Dba HP (USA)
Related Parts
3110-00-156-4699INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 6625-00-321-5176?

NSN 6625-00-321-5176 is a Plug-in Unit,electrical-Electron, manufactured by Keysight Technologies Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-321-5176?

NSN 6625-00-321-5176 has 4 cross-referenced part numbers: 5306A (Keysight Technologies, Inc.), 5306A (Keysight Technologies Inc), 421-7438 (Nimikkeistokeskus Ncb Finland), 5306A (Hewlett-Packard Company Dba HP).

What NSN replaces 6625-00-321-5176?

There is 1 known substitute for 6625-00-321-5176: 3110-00-156-4699. Verify interchangeability with system specifications before substitution.

What are the specifications of 5306A?

Key specifications for 5306A: Overall Height: 2.000 INCHES NOMINAL IN; Overall Length: 9.750 INCHES NOMINAL IN; Unit Type: FREQUENCY COUNTER; Overall Width: 5.250 INCHES NOMINAL IN. 8 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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