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Technical Data Sheet
PartsTable / COMPONENT / GL-12
GL-12 ✓ 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 LOCKNUT,ELECTRICAL CONDUIT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, unit_type: OBSTETRICAL, drive_type: SPANNER, fork_width: 20.6 INCHES NOMINAL IN, fork_length: 22.6 INCHES NOMINAL IN, load_rating: 350.0 POUNDS MAXIMUM LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5975-00-789-3386, 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
GL-12
NSN: 5975-00-789-3386
FSC: 5975
CAGE: 81284 — MIDWEST ELECTRIC MFG CORP SUB OF CROUSE-HINDS CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
unit_typeOBSTETRICAL
drive_typeSPANNER
fork_width20.6 INCHES NOMINAL IN
fork_length22.6 INCHES NOMINAL IN
load_rating350.0 POUNDS MAXIMUM LBS
thread_size3/4-14
thread_typeSTRAIGHT
overall_width29.9 INCHES MINIMUM AND 43.6 INCHES MAXIMUM IN
overall_height91.0 INCHES MINIMUM AND 165.6 INCHES MAXIMUM IN
size_designator4.500 IN. BY 1.375 IN. IN
special_featuresGROUNDING TYPE
NSN5975-00-789-3386
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LOCKNUT,ELECTRICAL CONDUIT TITLE COMPONENT PN GL-12 MFR LOCKNUT,ELECTRICAL CON
KEY FEATURES
•
WIDTH ACROSS FLATS: 1.250 INCHES NOMINAL IN
•
MATERIAL: IRON MALLEABLE
•
SURFACE TREATMENT: ZINC
•
THREAD SIZE: 3/4-14
•
THREAD TYPE: STRAIGHT
•
DRIVE TYPE: SPANNER
•
OVERALL THICKNESS: 0.313 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESGROUNDING TYPE
WIDTH ACROSS FLATS1.250 INCHES NOMINAL IN
MATERIALIRON MALLEABLE
SURFACE TREATMENTZINC
THREAD SIZE3/4-14
THREAD TYPESTRAIGHT
DRIVE TYPESPANNER
OVERALL THICKNESS0.313 INCHES NOMINAL IN
CONDUIT SIZE ACCOMMODATED0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
35308030Interchangeable
interchangeable cross-reference
interchangeable
1243Interchangeable
interchangeable cross-reference
interchangeable
PF28Interchangeable
interchangeable cross-reference
interchangeable
S1243Interchangeable
interchangeable cross-reference
interchangeable
48123HInterchangeable
interchangeable cross-reference
interchangeable
311392Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GL-12?
GL-12 is a LOCKNUT,ELECTRICAL CONDUIT.
What parts can replace GL-12?
There are 26 known substitutes for GL-12: 35308030, 1243, PF28 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GL-12?
GL-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5975-00-789-3386. 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