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Technical Data Sheet
4979-4 ✓ 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,PUSH is a the manufacturer industrial component. Key specifications include material: COPPER FIRST MORTISE, usage_design: COUPLES ECHO BOX CAVITY TO MICROAMMETER, overall_length: 12.000 FEET FT, frequency_rating: 2.9 GIGAHERTZ MINIMUM AND 3.1 GIGAHERTZ MAXIMUM, overall_diameter: 1.000 INCHES NOMINAL IN, special_features: ANNUNCIATOR, TURBINE O/H 3, MODE 4. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-252-3417, 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
4979-4
NSN: 5985-00-252-3417
FSC: 5985
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER FIRST MORTISE
usage_designCOUPLES ECHO BOX CAVITY TO MICROAMMETER
overall_length12.000 FEET FT
frequency_rating2.9 GIGAHERTZ MINIMUM AND 3.1 GIGAHERTZ MAXIMUM
overall_diameter1.000 INCHES NOMINAL IN
special_featuresANNUNCIATOR, TURBINE O/H 3, MODE 4
body_surface_treatmentSILVER PLATED
end_item_identificationMODEL NO. OBU-3
extra_long_reference_number58241A2B32C1D2F4L60N2(JJ), P14, 19, TURBINE, O*/H3/MODE 4
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY EXTRA LONG REFERENCE NUMBER
NSN5985-00-252-3417
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PUSH TITLE COMPONENT PN 4979-4 MFR SWITCH,PUSH
KEY FEATURES
BODY SURFACE TREATMENT: SILVER PLATED
OVERALL DIAMETER: 1.000 INCHES NOMINAL IN
FREQUENCY RATING: 2.9 GIGAHERTZ MINIMUM AND 3.1 GIGAHERTZ MAXIMUM
USAGE DESIGN: COUPLES ECHO BOX CAVITY TO MICROAMMETER
TECHNICAL CHARACTERISTICS (FLIS)
BODY SURFACE TREATMENTSILVER PLATED
END ITEM IDENTIFICATIONMODEL NO. OBU-3
OVERALL LENGTH3.563 INCHES NOMINAL IN
OVERALL DIAMETER1.000 INCHES NOMINAL IN
FREQUENCY RATING2.9 GIGAHERTZ MINIMUM AND 3.1 GIGAHERTZ MAXIMUM
USAGE DESIGNCOUPLES ECHO BOX CAVITY TO MICROAMMETER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
49794Interchangeable
interchangeable cross-reference
interchangeable
58241A2B32C1D2F4L60N2(JJ), P14,-Interchangeable
interchangeable cross-reference
interchangeable
SP5332REV0Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4979-4?
4979-4 is a SWITCH,PUSH.
What parts can replace 4979-4?
There are 3 known substitutes for 4979-4: 49794, 58241A2B32C1D2F4L60N2(JJ), P14,-, SP5332REV0. Substitute compatibility should be verified for your specific system.
What is the NSN for 4979-4?
4979-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-252-3417. This indicates validated use in U.S. government and defense supply chains.
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