PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74321-1Circuit Card Assembly

Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic · NSN 5998-01-516-4960 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-516-4960 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-516-4960. Primary manufacturer part number: 74321-1.
Features
  • Circuit Card Assembly — FSC 5998
  • Features Provided: ELECTROSTATIC SENSITIVE
  • Features Provided: ELECTROSTATIC SENSITIVE
  • 3 verified cross-references
  • Primary manufacturer: Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-516-4960, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN5998-01-516-4960
Primary Part Number74321-1
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerNavy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic
StatusACTIVE
Features ProvidedELECTROSTATIC SENSITIVE
Features ProvidedELECTROSTATIC SENSITIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeJH
Weight2.0000 lbs
Cube0.5556 cu ft
Verified Substitutes 5
5815-00-125-518174321 INTERCHANGEABLE
Pallet
Telemechanics Inc
7520-00-271-889274321 INTERCHANGEABLE
Punch,paper,hand
Universal Product Code Defense Logistics Services Center
5355-00-377-207274321-1 INTERCHANGEABLE
Window,dial
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
2915-00-829-546988185 INTERCHANGEABLE
Parts Kit,pump,cur
Triumph Engine Control Systems Llc
5998-01-521-615774321-1REV2.2.3 INTERCHANGEABLE
Circuit Card Assembly
Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic
Cross-Reference Index
Part NumberManufacturer
74321-1 PRIMARY Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic (USA)
74321 Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic (USA)
29355-74321 Ixi Technology Inc Dba Ixi Technology (USA)
Related Parts
5815-00-125-5181INTERCHANGEABLE
PALLET
74321
7520-00-271-8892INTERCHANGEABLE
PUNCH,PAPER,HAND
74321
5355-00-377-2072INTERCHANGEABLE
WINDOW,DIAL
74321-1
2915-00-829-5469INTERCHANGEABLE
PARTS KIT,PUMP,CUR
88185
5998-01-521-6157INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
74321-1REV2.2.3

Frequently Asked Questions

What is NSN 5998-01-516-4960?

NSN 5998-01-516-4960 is a Circuit Card Assembly, manufactured by Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-516-4960?

NSN 5998-01-516-4960 has 3 cross-referenced part numbers: 74321-1 (Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic), 74321 (Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic), 29355-74321 (Ixi Technology Inc Dba Ixi Technology).

What NSN replaces 5998-01-516-4960?

There are 5 known substitutes for 5998-01-516-4960: 5815-00-125-5181, 7520-00-271-8892, 5355-00-377-2072 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 74321-1?

Key specifications for 74321-1: End Item Identification: IP-1747/WSN(73653), CONTROL DISPLAY UNIT; IP-1747/WSN(73654), CONTROL DISPLAY UNIT; IP-1747/WSN(77135), CONTROL DISPLAY UNIT; Part Name Assigned by Controlling Agency: INAVY): ESRB-7A BOARD ASSEMBLY A; Special Features: CIRCUIT CARD IS ELECTROSTATIC DISCHARGE (ESD) AND ELECTROMAGNETIC INTERFERENCE (EMI) SENSITIVE; Features Provided: ELECTROSTATIC SENSITIVE. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com