PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6050 ITEM 5Printed Wiring Board

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 5998-01-387-6635 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-387-6635 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-387-6635. Primary manufacturer part number: 6050 ITEM 5.
Features
  • Printed Wiring Board — FSC 5998
  • 4 verified cross-references
  • Primary manufacturer: Howell Laboratories Inc Dba Howell Laboratories Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Printed Wiring Board, cataloged under National Stock Number 5998-01-387-6635, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Catalog Facts
Item NamePrinted Wiring Board
FSC / FSG5998 — Circuit Card Assembly (FSG 59)
ManufacturersHowell Laboratories Inc Dba Howell Laboratories Inc (CAGE 22501)
Successor NSN5998-01-457-6920 — No Item Name Available
Technical Specifications
ParameterValue
NSN5998-01-387-6635
Primary Part Number6050 ITEM 5
Item NamePrinted Wiring Board
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Weight0.1800 lbs
Cube0.0174 cu ft
Verified Substitutes 12
No Item Name Available
Delay Line
9540-00-148-4299 INTERCHANGEABLE
Angle,structural
5210-00-243-210052-470-160 INTERCHANGEABLE
Gage,thread Cutting Tool
Fred V. Fowler Company, L.l.c.
5935-00-244-822950-011-0029 INTERCHANGEABLE
Connector,plug,electrical
Itt Cannon Rf Products
6640-00-368-676628014-10 INTERCHANGEABLE
Flask,volumetric
Kimble Glass Inc Sub of Owens-Illinois Inc
5360-00-397-4606 INTERCHANGEABLE
Spring,spiral,torsion
6640-00-425-50002801750 INTERCHANGEABLE
Flask,volumetric
Gerresheimer Glass Inc Div Gerresheimer Glass
6640-00-425-6000 INTERCHANGEABLE
Flask,volumetric
6640-00-425-8000 INTERCHANGEABLE
Flask,volumetric
Cross-Reference Index
Part NumberManufacturer
7006 ITEM NO. 7 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
4994-G502 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
6050 ITEM 5 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
5640 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
Related Parts
5998-01-457-6920SUCCESSOR
NO ITEM NAME AVAILABLE
5999-00-102-7450SUCCESSOR
DELAY LINE
9540-00-148-4299INTERCHANGEABLE
ANGLE,STRUCTURAL
5210-00-243-2100INTERCHANGEABLE
GAGE,THREAD CUTTING TOOL
52-470-160
5935-00-244-8229INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
50-011-0029
6640-00-368-6766INTERCHANGEABLE
FLASK,VOLUMETRIC
28014-10
5360-00-397-4606INTERCHANGEABLE
SPRING,SPIRAL,TORSION
6640-00-425-5000INTERCHANGEABLE
FLASK,VOLUMETRIC
2801750
6640-00-425-6000INTERCHANGEABLE
FLASK,VOLUMETRIC
6640-00-425-8000INTERCHANGEABLE
FLASK,VOLUMETRIC
6640-00-425-9000INTERCHANGEABLE
FLASK,VOLUMETRIC
5640-1L
6625-01-044-3834INTERCHANGEABLE
MULTIMETER
5640

Frequently Asked Questions

What is NSN 5998-01-387-6635?

NSN 5998-01-387-6635 is a Printed Wiring Board, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 5998 (Circuit Card Assembly). Status: cancelled.

What are the part numbers for NSN 5998-01-387-6635?

NSN 5998-01-387-6635 has 4 cross-referenced part numbers: 7006 ITEM NO. 7 (Howell Laboratories Inc Dba Howell Laboratories Inc), 4994-G502 (Howell Laboratories Inc Dba Howell Laboratories Inc), 6050 ITEM 5 (Howell Laboratories Inc Dba Howell Laboratories Inc), 5640 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What NSN replaces 5998-01-387-6635?

There are 12 known substitutes for 5998-01-387-6635: 5998-01-457-6920, 5999-00-102-7450, 9540-00-148-4299 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 5998-01-387-6635 still in active supply?

NSN 5998-01-387-6635 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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