PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B431Circuit Card Assembly

Lockheed Martin Corporation Div Rms - Manassas · NSN 5998-01-463-9977 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-463-9977 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-463-9977. Primary manufacturer part number: B431.
Features
  • Circuit Card Assembly — FSC 5998
  • 4 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Div Rms - Manassas
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-463-9977, 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 Corporation Div Rms - Manassas. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameCircuit Card Assembly
FSC / FSG5998 — Circuit Card Assembly (FSG 59)
ManufacturersHewlett-Packard Company Dba HP (CAGE 28480); Lockheed Martin Corporation Div Rms - Manassas (CAGE 52088); Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (CAGE 90536)
Technical Specifications
ParameterValue
NSN5998-01-463-9977
Primary Part NumberB431
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerLockheed Martin Corporation Div Rms - Manassas
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeY
Weight1.0000 lbs
Cube0.0208 cu ft
Verified Substitutes 1
6910-01-189-2277B431 INTERCHANGEABLE
Fern,sporangia
Carolina Biological Supply Co
Cross-Reference Index
Part NumberManufacturer
A4979A-Q70 Hewlett-Packard Company Dba HP (USA)
B431 PRIMARY Lockheed Martin Corporation Div Rms - Manassas (USA)
B431 PRIMARY Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
79C0186-00 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
Related Parts
6910-01-189-2277INTERCHANGEABLE
FERN,SPORANGIA
B431

Frequently Asked Questions

What is NSN 5998-01-463-9977?

NSN 5998-01-463-9977 is a Circuit Card Assembly, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-463-9977?

NSN 5998-01-463-9977 has 4 cross-referenced part numbers: A4979A-Q70 (Hewlett-Packard Company Dba HP), B431 (Lockheed Martin Corporation Div Rms - Manassas), B431 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 79C0186-00 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan).

What NSN replaces 5998-01-463-9977?

There is 1 known substitute for 5998-01-463-9977: 6910-01-189-2277. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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