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PartsTable / COMPONENT / SL4257PC64
SL4257PC64 ✓ 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 TELETYPEWRITER SUBASSEMBLY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, body_style: EXTERNAL LOCKING FLANGE, corner_shape: SQUARE ALL CORNERS, overall_length: 0.750 INCHES NOMINAL IN, distance_from_end: 0.188 INCHES NOMINAL IN, body_inside_diameter: 3.968 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 4320-00-218-3412, 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
SL4257PC64
NSN: 4320-00-218-3412
FSC: 4320
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_styleEXTERNAL LOCKING FLANGE
corner_shapeSQUARE ALL CORNERS
overall_length0.750 INCHES NOMINAL IN
distance_from_end0.188 INCHES NOMINAL IN
body_inside_diameter3.968 INCHES NOMINAL IN
body_outside_diameter4.998 INCHES NOMINAL IN
end_to_flange_distance0.562 INCHES NOMINAL IN
distance_between_flanges0.374 INCHES NOMINAL IN
distance_below_centerline0.062 INCHES NOMINAL IN
left_side_flange_thickness0.188 INCHES NOMINAL IN
right_side_flange_thickness0.188 INCHES NOMINAL IN
NSN4320-00-218-3412
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TELETYPEWRITER SUBASSEMBLY TITLE COMPONENT PN SL4257PC64 MFR TELETYPEWRITER SUBASSE
KEY FEATURES
•
BODY STYLE: EXTERNAL LOCKING FLANGE
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL: COPPER ALLOY
•
DISTANCE BELOW CENTERLINE: 0.062 INCHES NOMINAL IN
•
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS: 2.406 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 4.998 INCHES NOMINAL IN
•
LARGEST EXTERNAL ANCHOR FLANGE RADIUS: 2.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY STYLEEXTERNAL LOCKING FLANGE
CORNER SHAPESQUARE ALL CORNERS
MATERIALCOPPER ALLOY
OVERALL LENGTH0.750 INCHES NOMINAL IN
DISTANCE BELOW CENTERLINE0.062 INCHES NOMINAL IN
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS2.406 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER4.998 INCHES NOMINAL IN
LARGEST EXTERNAL ANCHOR FLANGE RADIUS2.750 INCHES NOMINAL IN
DISTANCE FROM END0.188 INCHES NOMINAL IN
END TO FLANGE DISTANCE0.562 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
BP3931Interchangeable
interchangeable cross-reference
interchangeable
50423AInterchangeable
interchangeable cross-reference
interchangeable
SC-B-70045Interchangeable
interchangeable cross-reference
interchangeable
421501Interchangeable
interchangeable cross-reference
interchangeable
10313Interchangeable
interchangeable cross-reference
interchangeable
550 13/64Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SL4257PC64?
SL4257PC64 is a TELETYPEWRITER SUBASSEMBLY.
What parts can replace SL4257PC64?
There are 13 known substitutes for SL4257PC64: BP3931, 50423A, SC-B-70045 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SL4257PC64?
SL4257PC64 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-218-3412. 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