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Technical Data Sheet
4SK677 ✓ 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,PUSHPULL is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT, end_style: HAND LOOP SECOND END, body_style: PLAIN, SOLID, bore_style: W/COUNTERBORE BOTH ENDS, case_style: SQUARE, seal_width: 0.375 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 5930-00-431-2956, 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
4SK677
NSN: 5930-00-431-2956
FSC: 5930
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
end_styleHAND LOOP SECOND END
body_stylePLAIN, SOLID
bore_styleW/COUNTERBORE BOTH ENDS
case_styleSQUARE
seal_width0.375 INCHES NOMINAL IN
design_typeCLOSED
hook_radius0.109 INCHES NOMINAL BOTH ENDS IN
hole_diameter0.343 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
opening_width0.096 INCHES NOMINAL FIRST END IN
overall_width2.862 INCHES NOMINAL IN
overall_length3.250 INCHES NOMINAL IN
NSN5930-00-431-2956
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PUSHPULL TITLE COMPONENT PN 4SK677 MFR SWITCH,PUSHPULL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
AA7T279Interchangeable
interchangeable cross-reference
interchangeable
400121Interchangeable
interchangeable cross-reference
interchangeable
25327Interchangeable
interchangeable cross-reference
interchangeable
8328456Interchangeable
interchangeable cross-reference
interchangeable
5330006999021Interchangeable
interchangeable cross-reference
interchangeable
34256Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4SK677?
4SK677 is a SWITCH,PUSHPULL.
What parts can replace 4SK677?
There are 9 known substitutes for 4SK677: AA7T279, 400121, 25327 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4SK677?
4SK677 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-431-2956. This indicates validated use in U.S. government and defense supply chains.
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