PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

50-191Circuit Card Assembly

Name: 50-191
SKU: 5998-00-437-3917

Kaypro Corp · NSN 5998-00-437-3917 · FSC 5998 · Circuit Card Assembly

Verified by PartsTable

NSN 5998-00-437-3917 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-437-3917. Primary manufacturer part number: 50-191.

5998-00-437-3917 — Circuit Card Assembly illustration

Features

Circuit Card Assembly — FSC 5998
1 verified cross-reference
Primary manufacturer: Kaypro Corp

Applications

Industrial maintenance and repair
Government and military logistics
Equipment overhaul and refurbishment

General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-00-437-3917, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Kaypro Corp. This item has 1 commercial cross-reference 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: Active. Unit of issue: EA.

Catalog Facts

Item Name	Circuit Card Assembly
FSC / FSG	5998 — Circuit Card Assembly (FSG 59)
Manufacturers	Kaypro Corp (CAGE 03626)

Technical Specifications

Parameter	Value
NSN	5998-00-437-3917
Primary Part Number	50-191
Item Name	Circuit Card Assembly
FSC / FSG	5998 / 59 — Circuit Card Assembly
Manufacturer	Kaypro Corp
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No
Shelf Life Code	0
Criticality Code	AR
Unit of Issue	EA
SMR Code	CH
Weight	1.8300 lbs
Cube	0.2477 cu ft

⇄ Verified Substitutes 12

4720-00-052-3579 INTERCHANGEABLE

Hose Assembly,nonmetallic

5355-00-090-36656119 INTERCHANGEABLE

Knob,assembly

Viz Manufacturing Company

4730-00-118-753050191 INTERCHANGEABLE

Strainer Element,sediment

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.

4520-00-467-532062110200 INTERCHANGEABLE

Cover Assembly,handhole

L & L Boiler Maintenance Inc

5945-00-511-958950191-1 INTERCHANGEABLE

Solenoid,electrical

Rocker Solenoid Co Dba Rocker Solenoid Co

5985-00-606-8809 INTERCHANGEABLE

Attenuator,variable

6130-00-834-985650-191 INTERCHANGEABLE

Inverter,power,static

Terado Corp

5305-00-850-39105-40-1-4 INTERCHANGEABLE

Screw,cap,socket Head

All Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners

4820-00-919-307545151 INTERCHANGEABLE

Valve,check

Johnson C S Co Inc

5815-00-981-0166 INTERCHANGEABLE

Blade

Cross-Reference Index

Part Number	Manufacturer
50-191	Kaypro Corp (USA)

Related Parts

4720-00-052-3579INTERCHANGEABLE

HOSE ASSEMBLY,NONMETALLIC

5355-00-090-3665INTERCHANGEABLE

KNOB,ASSEMBLY

6119

4730-00-118-7530INTERCHANGEABLE

STRAINER ELEMENT,SEDIMENT

50191

4520-00-467-5320INTERCHANGEABLE

COVER ASSEMBLY,HANDHOLE

62110200

5945-00-511-9589INTERCHANGEABLE

SOLENOID,ELECTRICAL

50191-1

5985-00-606-8809INTERCHANGEABLE

ATTENUATOR,VARIABLE

6130-00-834-9856INTERCHANGEABLE

INVERTER,POWER,STATIC

50-191

5305-00-850-3910INTERCHANGEABLE

SCREW,CAP,SOCKET HEAD

5-40-1-4

4820-00-919-3075INTERCHANGEABLE

VALVE,CHECK

45151

5815-00-981-0166INTERCHANGEABLE

BLADE

5330-01-120-4261INTERCHANGEABLE

GASKET

50191

5970-01-201-9118INTERCHANGEABLE

INSULATOR

Frequently Asked Questions

What is NSN 5998-00-437-3917?

NSN 5998-00-437-3917 is a Circuit Card Assembly, manufactured by Kaypro Corp, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-00-437-3917?

NSN 5998-00-437-3917 has 1 cross-referenced part number: 50-191 (Kaypro Corp).

What NSN replaces 5998-00-437-3917?

There are 12 known substitutes for 5998-00-437-3917: 4720-00-052-3579, 5355-00-090-3665, 4730-00-118-7530 and 9 more. Verify interchangeability with system specifications before substitution.

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

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