PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55551Circuit Card Assembly

Cae Inc · NSN 5998-00-122-6579 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-122-6579 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-122-6579. Primary manufacturer part number: 55551.
Features
  • Circuit Card Assembly — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: Cae Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-00-122-6579, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Cae Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-00-122-6579
Primary Part Number55551
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerCae Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJF
Weight0.4300 lbs
Cube0.0868 cu ft
Verified Substitutes 8
5961-00-057-03545555-1 INTERCHANGEABLE
Semiconductor Device,diode
Ballantine Laboratories Inc
3040-00-138-224255551 INTERCHANGEABLE
Shaft,shouldered
Altra Industrial Motion Corp.
5910-00-160-2269IAT1125SS INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Prestolite Electric Inc
5360-00-663-3349 INTERCHANGEABLE
Spring,helical,torsion
1650-00-832-248755551 INTERCHANGEABLE
Rocker,pump Assy,en
Parker Hannifin Corporation Div Hydraulic Systems Division
5905-00-908-9579176-10K0HMSP0RM5PCT INTERCHANGEABLE
Resistor,variable,wire Wound,non
Techno Components Corp Dba Techno Components
2540-00-910-89335-5551 INTERCHANGEABLE
Handle,door,vehicular
Eastern Co Div Eberhard Manufacturing
6760-01-533-643855551 INTERCHANGEABLE
Mount,aircraft Camera
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
55551 PRIMARY Cae Inc (CAN)
Related Parts
5961-00-057-0354INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5555-1
3040-00-138-2242INTERCHANGEABLE
SHAFT,SHOULDERED
55551
5910-00-160-2269INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
IAT1125SS
5360-00-663-3349INTERCHANGEABLE
SPRING,HELICAL,TORSION
1650-00-832-2487INTERCHANGEABLE
ROCKER,PUMP ASSY,EN
55551
5905-00-908-9579INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
176-10K0HMSP0RM5PCT
2540-00-910-8933INTERCHANGEABLE
HANDLE,DOOR,VEHICULAR
5-5551
6760-01-533-6438INTERCHANGEABLE
MOUNT,AIRCRAFT CAMERA
55551

Frequently Asked Questions

What is NSN 5998-00-122-6579?

NSN 5998-00-122-6579 is a Circuit Card Assembly, manufactured by Cae Inc, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-00-122-6579?

NSN 5998-00-122-6579 has 1 cross-referenced part number: 55551 (Cae Inc).

What NSN replaces 5998-00-122-6579?

There are 8 known substitutes for 5998-00-122-6579: 5961-00-057-0354, 3040-00-138-2242, 5910-00-160-2269 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55551?

Key specifications for 55551: Special Features: RESISTOR 15,CAPACITOR 5,PRINTED WIRING BOARD 1; Overall Width: 5.125 INCHES NOMINAL IN; Overall Length: 5.906 INCHES NOMINAL IN; Overall Height: 0.500 INCHES NOMINAL IN. 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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