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SL-1 — LOCKNUT,ELECTRICAL CONDUIT

✓ Government record, cited
Middle Atlantic Products · MRO · MRO_GENERAL
PRODUCT OVERVIEW

SL-1: LOCKNUT,ELECTRICAL CONDUIT.

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 material: ALUMINUM PLATES, core_width: 0.750 INCHES NOMINAL IN, core_height: 7.500 INCHES NOMINAL IN, core_length: 17.000 INCHES NOMINAL IN, power_source: EXTERNAL, inclosure_type: ENCASED.

This part is cataloged in the U.S. Government catalog under NSN 3455-00-021-2416, 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
MRO→ MRO_GENERAL→ SL-1
NSN: 3455-00-021-2416
NIINs: 000212416, 002378387, 004618555, 004836933, 009680545, 010075498, 010242018, 011535379, 011535381, 011649437, 013939190, 014348618, 014994586, 016220180
FSC: 3455 — Cutting Tools for Machine Tools
CAGE: 64700 — KENNAMETAL INC. (USA)
SPECIFICATIONS
materialALUMINUM PLATES
core_width0.750 INCHES NOMINAL IN
core_height7.500 INCHES NOMINAL IN
core_length17.000 INCHES NOMINAL IN
power_sourceEXTERNAL
inclosure_typeENCASED
style_designatorFINNED "S" TUBE
terminal_locationFRONT
heat_transfer_methodINDIRECT
end_item_identificationAN/BSR-1 SUBSURFACE RECEIVER (SSRS)
terminal_type_and_quantity3 JACK
part_name_assigned_by_controlling_agencyPASSIVE DIRECT BOX
NSN3455-00-021-2416
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Middle Atlantic Products LOCKNUT,ELECTRICAL CONDUIT TITLE COMPONENT PN SL-1 MFR Middle Atlantic Products LOCKNUT,ELECTRICAL CON
SUBSTITUTES & CROSS-REFERENCES 8
9061WFReference document
Same NSN cross-reference
Reference document — Secondary reference
TC74A-FReference document
Same NSN cross-reference
Reference document — Secondary reference
TCR-254-FReference document
Same NSN cross-reference
Reference document — Secondary reference
A-A-51186Reference document
Same NSN cross-reference
Reference document — Identification reference
SL-1-FReference document
Same NSN cross-reference
Reference document — Secondary reference
AA51186A-2A2CReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SL-1?
SL-1 is a LOCKNUT,ELECTRICAL CONDUIT manufactured by Middle Atlantic Products. It is classified as a MRO (MRO_GENERAL).
What parts can replace SL-1?
There are 8 known substitutes for SL-1: 9061WF, TC74A-F, TCR-254-F and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SL-1?
SL-1 is cataloged in the U.S. Government catalog under NSN 3455-00-021-2416. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.