PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51123Circuit Card Assembly

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 5998-01-540-7686 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-540-7686 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-540-7686. Primary manufacturer part number: 51123.
Features
  • Circuit Card Assembly — FSC 5998
  • 2 verified cross-references
  • Primary manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-540-7686, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. This item has 2 commercial cross-references 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
NSN5998-01-540-7686
Primary Part Number51123
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeJH
Verified Substitutes 5
5120-00-156-8627 INTERCHANGEABLE
Contact Positioner,terminal Crim
8030-00-526-1455 INTERCHANGEABLE
Filler,engraving
2940-00-554-774551123 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
4720-01-097-340751123 INTERCHANGEABLE
Hose,preformed
Jenny Products, Inc
1005-01-487-245451123 INTERCHANGEABLE
Receiver,cartridge
American Apex Corporation
Cross-Reference Index
Part NumberManufacturer
34052 ITEM 8 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
51123 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
5120-00-156-8627INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
8030-00-526-1455INTERCHANGEABLE
FILLER,ENGRAVING
2940-00-554-7745INTERCHANGEABLE
FILTER ELEMENT,FLUID
51123
4720-01-097-3407INTERCHANGEABLE
HOSE,PREFORMED
51123
1005-01-487-2454INTERCHANGEABLE
RECEIVER,CARTRIDGE
51123

Frequently Asked Questions

What is NSN 5998-01-540-7686?

NSN 5998-01-540-7686 is a Circuit Card Assembly, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-540-7686?

NSN 5998-01-540-7686 has 2 cross-referenced part numbers: 34052 ITEM 8 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 51123 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 5998-01-540-7686?

There are 5 known substitutes for 5998-01-540-7686: 5120-00-156-8627, 8030-00-526-1455, 2940-00-554-7745 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51123?

Key specifications for 51123: End Item Identification: CONTROLLER ASSY, THINLINE 34052-001; Part Name Assigned by Controlling Agency: (INAVY) VLV DRIVER ASSY; End Item Identification: CONTROLLER ASSY, THINLINE 34052-001; Part Name Assigned by Controlling Agency: (INAVY) VLV DRIVER ASSY. 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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