PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1A6Circuit Card Assembly

Entron Industries Limited Partnership Dba Entron Industries Property Div · NSN 5998-00-252-6720 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-252-6720 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-252-6720. Primary manufacturer part number: 1A6.
Features
  • Circuit Card Assembly — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: Entron Industries Limited Partnership Dba Entron Industries Property Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-00-252-6720, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Entron Industries Limited Partnership Dba Entron Industries Property Div. 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-00-252-6720
Primary Part Number1A6
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerEntron Industries Limited Partnership Dba Entron Industries Property Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeVH
Weight0.0300 lbs
Cube0.0255 cu ft
Verified Substitutes 5
3010-00-072-9302 INTERCHANGEABLE
Gearcase-Motor
5985-00-487-3866404516-2 INTERCHANGEABLE
Attenuator,fixed
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
5310-00-560-1986 INTERCHANGEABLE
Nut Plain He,agon
6625-00-575-45061A6 INTERCHANGEABLE
Plug-in Unit,electrical-Electron
Naval Inventory Control Point Mechanicsburg
6625-01-399-86651A6 INTERCHANGEABLE
Oscilloscope Subassembly
Tektronix, Inc.
Cross-Reference Index
Part NumberManufacturer
1A6 PRIMARY Entron Industries Limited Partnership Dba Entron Industries Property Div (USA)
Related Parts
3010-00-072-9302INTERCHANGEABLE
GEARCASE-MOTOR
5985-00-487-3866INTERCHANGEABLE
ATTENUATOR,FIXED
404516-2
5310-00-560-1986INTERCHANGEABLE
NUT PLAIN HE,AGON
6625-00-575-4506INTERCHANGEABLE
PLUG-IN UNIT,ELECTRICAL-ELECTRON
1A6
6625-01-399-8665INTERCHANGEABLE
OSCILLOSCOPE SUBASSEMBLY
1A6

Frequently Asked Questions

What is NSN 5998-00-252-6720?

NSN 5998-00-252-6720 is a Circuit Card Assembly, manufactured by Entron Industries Limited Partnership Dba Entron Industries Property Div, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-00-252-6720?

NSN 5998-00-252-6720 has 1 cross-referenced part number: 1A6 (Entron Industries Limited Partnership Dba Entron Industries Property Div).

What NSN replaces 5998-00-252-6720?

There are 5 known substitutes for 5998-00-252-6720: 3010-00-072-9302, 5985-00-487-3866, 5310-00-560-1986 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1A6?

Key specifications for 1A6: Special Features: MOUNTING CONFIGURATION:CONNECTOR AND RACK MTD; Special Features: MOUNTING CONFIGURATION:CONNECTOR AND RACK MTD. 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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