PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4576-008Circuit Card Assembly

Interphase Corporation · NSN 5998-01-551-4055 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-551-4055 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-551-4055. Primary manufacturer part number: 4576-008.
Features
  • Circuit Card Assembly — FSC 5998
  • 4 verified cross-references
  • Primary manufacturer: Interphase Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-551-4055, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Interphase Corporation. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist 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)
ManufacturersInterphase Corporation (CAGE 2V643); Lockheed Martin Corporation Div Rms (CAGE 03538)
Technical Specifications
ParameterValue
NSN5998-01-551-4055
Primary Part Number4576-008
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerInterphase Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeJH
Weight3.0000 lbs
Cube0.6667 cu ft
Verified Substitutes 3
5331-00-263-8031287-9029P6 INTERCHANGEABLE
O-Ring
Raytheon Company Div Corp
5961-00-359-6177 INTERCHANGEABLE
Transistor
5961-00-557-8311MIS-13674/87-3 INTERCHANGEABLE
Transistor
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
4576-000 Interphase Corporation (USA)
7348900 Lockheed Martin Corporation Div Rms (USA)
7348900P2 Lockheed Martin Corporation Div Rms (USA)
4576-008 PRIMARY Interphase Corporation (USA)
Related Parts
5331-00-263-8031INTERCHANGEABLE
O-RING
287-9029P6
5961-00-359-6177INTERCHANGEABLE
TRANSISTOR
5961-00-557-8311INTERCHANGEABLE
TRANSISTOR
MIS-13674/87-3

Frequently Asked Questions

What is NSN 5998-01-551-4055?

NSN 5998-01-551-4055 is a Circuit Card Assembly, manufactured by Interphase Corporation, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-551-4055?

NSN 5998-01-551-4055 has 4 cross-referenced part numbers: 4576-000 (Interphase Corporation), 7348900 (Lockheed Martin Corporation Div Rms), 7348900P2 (Lockheed Martin Corporation Div Rms), 4576-008 (Interphase Corporation).

What NSN replaces 5998-01-551-4055?

There are 3 known substitutes for 5998-01-551-4055: 5331-00-263-8031, 5961-00-359-6177, 5961-00-557-8311. Verify interchangeability with system specifications before substitution.

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