PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A18514Circuit Card Assembly

Lockheed Martin Corp Lockheed Martin Management and Data Systems · NSN 5998-01-326-1494 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-326-1494 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-326-1494. Primary manufacturer part number: A18514.
Features
  • Circuit Card Assembly — FSC 5998
  • Criticality Code Justification: CBBL
  • Features Provided: ELECTROSTATIC SENSITIVE
  • Criticality Code Justification: CBBL
  • Features Provided: ELECTROSTATIC SENSITIVE
  • 2 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp Lockheed Martin Management and Data Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-326-1494, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Lockheed Martin Corp Lockheed Martin Management and Data Systems. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-01-326-1494
Primary Part NumberA18514
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerLockheed Martin Corp Lockheed Martin Management and Data Systems
StatusACTIVE
Criticality Code JustificationCBBL
Features ProvidedELECTROSTATIC SENSITIVE
Criticality Code JustificationCBBL
Features ProvidedELECTROSTATIC SENSITIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeT
Unit of IssueEA
SMR CodeVT
Weight4.0000 lbs
Cube0.3906 cu ft
Verified Substitutes 2
5305-00-149-9872213291-440-8 INTERCHANGEABLE
Screw,machine
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5331-01-006-2137AS568-914MILG22050 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
A18514 Lockheed Martin Corp Lockheed Martin Management and Data Systems (USA)
A18514-01 Lockheed Martin Corp Lockheed Martin Management and Data Systems (USA)
Related Parts
5305-00-149-9872INTERCHANGEABLE
SCREW,MACHINE
213291-440-8
5331-01-006-2137INTERCHANGEABLE
O-RING
AS568-914MILG22050

Frequently Asked Questions

What is NSN 5998-01-326-1494?

NSN 5998-01-326-1494 is a Circuit Card Assembly, manufactured by Lockheed Martin Corp Lockheed Martin Management and Data Systems, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-326-1494?

NSN 5998-01-326-1494 has 2 cross-referenced part numbers: A18514 (Lockheed Martin Corp Lockheed Martin Management and Data Systems), A18514-01 (Lockheed Martin Corp Lockheed Martin Management and Data Systems).

What NSN replaces 5998-01-326-1494?

There are 2 known substitutes for 5998-01-326-1494: 5305-00-149-9872, 5331-01-006-2137. Verify interchangeability with system specifications before substitution.

What are the specifications of A18514?

Key specifications for A18514: Part Name Assigned by Controlling Agency: SWITCHING NETWORK; Special Features: PWB 1, SWITCHING NETWORK 1; Criticality Code Justification: CBBL; Features Provided: ELECTROSTATIC SENSITIVE. 10 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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