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SL3 ✓ Verified by PartsTable
Middle Atlantic Products · 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

SL Series security covers feature a permanent plexiglass window for easy equipment viewing. Secure and cost-effective - available in 1, 2, and 3 space sizes, 1” deep. Key specifications include shape: STRAIGHT, width: 0.625 INCHES NOMINAL IN, height: 0.250 INCHES NOMINAL IN, length: 1.438 INCHES NOMINAL IN, diameter: 0.250 INCHES NOMINAL IN, material: IRON MALLEABLE OR STEEL.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-311-6182, 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
SL3
NSN: 3455-00-311-6182
FSC: 3455
CAGE: 55275 — TUNGSTEN INDUSTRIES (USA)
SPECIFICATIONS
shapeSTRAIGHT
width0.625 INCHES NOMINAL IN
height0.250 INCHES NOMINAL IN
length1.438 INCHES NOMINAL IN
diameter0.250 INCHES NOMINAL IN
materialIRON MALLEABLE OR STEEL
catch_width0.938 INCHES NOMINAL IN
design_typeCLAW ENGAGING
tongue_width0.812 INCHES NOMINAL IN
hole_diameter0.130 INCHES NOMINAL IN
hole_quantity2
tongue_length0.125 INCHES NOMINAL IN
NSN3455-00-311-6182
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Middle Atlantic Products LOCKNUT,ELECTRICAL CONDUIT TITLE COMPONENT PN SL3 MFR Middle Atlantic Products LOCKNUT,ELECTRICAL CON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
9061WFInterchangeable
interchangeable cross-reference
interchangeable
TC74A-FInterchangeable
interchangeable cross-reference
interchangeable
TCR-254-FInterchangeable
interchangeable cross-reference
interchangeable
327271Interchangeable
interchangeable cross-reference
interchangeable
SL-2 DIAMOND CUTInterchangeable
interchangeable cross-reference
interchangeable
TC-74-DIA-MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SL3?
SL3 is a LOCKNUT,ELECTRICAL CONDUIT manufactured by Middle Atlantic Products.
What parts can replace SL3?
There are 32 known substitutes for SL3: 9061WF, TC74A-F, TCR-254-F and 29 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SL3?
SL3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-311-6182. 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