PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43507Circuit Card Assembly

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 5998-00-757-3263 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-757-3263 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-757-3263. Primary manufacturer part number: 43507.
Features
  • Circuit Card Assembly — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: L3harris Technologies, Inc. Div Space and Airborne 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 5998-00-757-3263, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-00-757-3263
Primary Part Number43507
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJF
Verified Substitutes 9
6930-00-474-602943507 INTERCHANGEABLE
Motor Assembly,prop
Cae Usa Inc.
5930-00-572-35352074790-1 INTERCHANGEABLE
Switch,toggle
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-01-157-7578 INTERCHANGEABLE
Gasket
5340-01-329-031143507 INTERCHANGEABLE
Plate,mounting
National Oil Well Dba Iec Baylor
2995-01-368-345143521 INTERCHANGEABLE
Parts Kit,anti-Icing Valve
Meggitt North Hollywood Inc
5120-01-398-770700943507000 INTERCHANGEABLE
Socket,socket Wrench
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5340-01-412-12834350700317 INTERCHANGEABLE
Plate,mounting
Titan Distribution Inc Dba Titan Tire
4310-01-549-006143507 INTERCHANGEABLE
Pin,piston
Bourns Inc
4935-01-657-518443507 INTERCHANGEABLE
Modification Kit,maintenance and
Jergens Inc Div Tooling Components Division
Cross-Reference Index
Part NumberManufacturer
43507 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
6930-00-474-6029INTERCHANGEABLE
MOTOR ASSEMBLY,PROP
43507
5930-00-572-3535INTERCHANGEABLE
SWITCH,TOGGLE
2074790-1
5330-01-157-7578INTERCHANGEABLE
GASKET
5340-01-329-0311INTERCHANGEABLE
PLATE,MOUNTING
43507
2995-01-368-3451INTERCHANGEABLE
PARTS KIT,ANTI-ICING VALVE
43521
5120-01-398-7707INTERCHANGEABLE
SOCKET,SOCKET WRENCH
00943507000
5340-01-412-1283INTERCHANGEABLE
PLATE,MOUNTING
4350700317
4310-01-549-0061INTERCHANGEABLE
PIN,PISTON
43507
4935-01-657-5184INTERCHANGEABLE
MODIFICATION KIT,MAINTENANCE AND
43507

Frequently Asked Questions

What is NSN 5998-00-757-3263?

NSN 5998-00-757-3263 is a Circuit Card Assembly, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-00-757-3263?

NSN 5998-00-757-3263 has 1 cross-referenced part number: 43507 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 5998-00-757-3263?

There are 9 known substitutes for 5998-00-757-3263: 6930-00-474-6029, 5930-00-572-3535, 5330-01-157-7578 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43507?

Key specifications for 43507: End Item Identification: AN/SQS-26BX W/FC1-14 AND 16; Special Features: CAPACITOR 6; PRINTED WIRING BOARD 1; RESISTOR 27; TRANSISTOR 8; End Item Identification: AN/SQS-26BX W/FC1-14 AND 16; Special Features: CAPACITOR 6; PRINTED WIRING BOARD 1; RESISTOR 27; TRANSISTOR 8. 4 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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