PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37639-2Circuit Card Assembly

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5998-01-302-1305 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-302-1305 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-302-1305. Primary manufacturer part number: 37639-2.
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: Hamilton Sundstrand Corporation Dba Collins Aerospace
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-302-1305, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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.

Technical Specifications
ParameterValue
NSN5998-01-302-1305
Primary Part Number37639-2
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
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 CodeMT
Weight0.4000 lbs
Cube0.0621 cu ft
Verified Substitutes 1
5945-00-433-5805531623-001 INTERCHANGEABLE
Relay,reed
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
37639-2 United Technologies Corp Hamilton Sundstrand Corp (USA)
37639-2 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
5945-00-433-5805INTERCHANGEABLE
RELAY,REED
531623-001

Frequently Asked Questions

What is NSN 5998-01-302-1305?

NSN 5998-01-302-1305 is a Circuit Card Assembly, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-302-1305?

NSN 5998-01-302-1305 has 2 cross-referenced part numbers: 37639-2 (United Technologies Corp Hamilton Sundstrand Corp), 37639-2 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 5998-01-302-1305?

There is 1 known substitute for 5998-01-302-1305: 5945-00-433-5805. Verify interchangeability with system specifications before substitution.

What are the specifications of 37639-2?

Key specifications for 37639-2: Criticality Code Justification: CBBL; Special Features: PWB 1,CAP 6,DIODE 7,TRANSISTOR 4,RES 32,MICROCIRCUIT 2;F-16; Features Provided: ELECTROSTATIC SENSITIVE; End Item Identification: TEMPERATURE AND PRESSURE CONTROLS,AIRCRAFT. 8 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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