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Technical Data Sheet
C57128 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include length: 0.312 INCHES NOMINAL SQUARE END IN, material: STEEL OVERALL, thread_length: 1.130 INCHES MINIMUM IN, overall_length: 2.500 INCHES NOMINAL IN, shank_diameter: 0.318 INCHES MINIMUM IN, style_designator: SPIRAL POINTED FLUTE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-261-3262, 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
C57128
NSN: 5136-00-261-3262
FSC: 5136
CAGE: 1NEX4 — KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP (USA)
SPECIFICATIONS
length0.312 INCHES NOMINAL SQUARE END IN
materialSTEEL OVERALL
thread_length1.130 INCHES MINIMUM IN
flute_quantity2
overall_length2.500 INCHES NOMINAL IN
shank_diameter0.318 INCHES MINIMUM IN
style_designatorSPIRAL POINTED FLUTE
thread_directionRIGHT-HAND
thread_structureREGULAR
width_across_flats0.191 INCHES NOMINAL IN
starting_chamfer_typePLUG
thread_forming_methodGROUND
NSN5136-00-261-3262
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,RECEPTACLE,ELECTRICAL TITLE COMPONENT PN C57128 MFR CONNECTOR,RECEPTACLE,E
KEY FEATURES
THREAD DIRECTION: RIGHT-HAND
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.250-20 UNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS: 0.191 INCHES NOMINAL IN
THREAD STRUCTURE: REGULAR
LENGTH: 0.312 INCHES NOMINAL SQUARE END IN
STARTING CHAMFER TYPE: PLUG
SPECIFICATION/STANDARD DATA: 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.250-20 UNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.191 INCHES NOMINAL IN
THREAD STRUCTUREREGULAR
LENGTH0.312 INCHES NOMINAL SQUARE END IN
OVERALL LENGTH2.500 INCHES NOMINAL IN
STARTING CHAMFER TYPEPLUG
SPECIFICATION/STANDARD DATA05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THREAD FORMING METHODGROUND
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
TB1363DInterchangeable
interchangeable cross-reference
interchangeable
947489-2199Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-22473 GRCVInterchangeable
interchangeable cross-reference
interchangeable
C57082Interchangeable
interchangeable cross-reference
interchangeable
B94.9 8-32 UNC HS G H1Interchangeable
interchangeable cross-reference
interchangeable
GGG-T-70 TY2SEASTBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C57128?
C57128 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace C57128?
There are 30 known substitutes for C57128: TB1363D, 947489-2199, MIL-S-22473 GRCV and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C57128?
C57128 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-261-3262. This indicates validated use in U.S. government and defense supply chains.
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