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473991 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SWITCH ASSEMBLY is a the manufacturer industrial component. Key specifications include material: PLASTIC PHENOL FORMALDEHYDE (PMO), switch_type: PUSH, overall_width: 0.551 INCHES NOMINAL IN, inclosure_type: UNINCLOSED, overall_height: 2.955 INCHES NOMINAL IN, overall_length: 2.362 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-01-339-1110, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
473991
NSN: 5930-01-339-1110
FSC: 5930
CAGE: 89536 — FLUKE CORP (USA)
SPECIFICATIONS
materialPLASTIC PHENOL FORMALDEHYDE (PMO)
switch_typePUSH
overall_width0.551 INCHES NOMINAL IN
inclosure_typeUNINCLOSED
overall_height2.955 INCHES NOMINAL IN
overall_length2.362 INCHES NOMINAL IN
mounting_methodBRACKET(S) AND HOLE
special_featuresSNAP-ON WHITE NON LIGHTED BUTTONS
style_designatorRIBBED
precious_materialGOLD
controlling_agencyCENTRALAB
identifying_numberPB-10 TYPE NO.
NSN5930-01-339-1110
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH ASSEMBLY TITLE COMPONENT PN 473991 MFR SWITCH ASSEMBLY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
3101-1705Interchangeable
interchangeable cross-reference
interchangeable
PB-1000Interchangeable
interchangeable cross-reference
interchangeable
940Interchangeable
interchangeable cross-reference
interchangeable
BBU-400Interchangeable
interchangeable cross-reference
interchangeable
PB10Interchangeable
interchangeable cross-reference
interchangeable
581-055Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 473991?
473991 is a SWITCH ASSEMBLY.
What parts can replace 473991?
There are 9 known substitutes for 473991: 3101-1705, PB-1000, 940 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 473991?
473991 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-01-339-1110. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026