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Technical Data Sheet

5 1/2 IN37 — INSULATOR,KNOB

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

5 1/2 IN37: INSULATOR,KNOB.

The INSULATOR,KNOB is a the manufacturer industrial component. Key specifications include material: PORCELAIN OVERALL, outside_diameter: 1.125 INCHES NOMINAL IN, style_designator: CYLINDRICAL, SPLIT, mounting_hole_diameter: 0.250 INCHES NOMINAL IN, mounting_facility_type_and_quantity: 1 UNTHREADED HOLE(S), first_distance_from_conductor_slot_to_opposite_surface: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5970-00-224-5228, 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
5 1/2 IN37
NSN: 5970-00-224-5228
FSC: 5970 — Electrical Insulators and Insulating Materials
CAGE: 74178 — PROCELAIN PRODUCTS CO (USA)
SPECIFICATIONS
materialPORCELAIN OVERALL
outside_diameter1.125 INCHES NOMINAL IN
style_designatorCYLINDRICAL, SPLIT
mounting_hole_diameter0.250 INCHES NOMINAL IN
mounting_facility_type_and_quantity1 UNTHREADED HOLE(S)
first_distance_from_conductor_slot_to_opposite_surface0.750 INCHES NOMINAL IN
second_distance_from_conductor_slot_to_opposite_surface1.000 INCHES NOMINAL IN
NSN5970-00-224-5228
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSULATOR,KNOB TITLE COMPONENT PN 5 1/2 IN37 MFR INSULATOR,KNOB
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 UNTHREADED HOLE(S)
•
SECOND DISTANCE FROM CONDUCTOR SLOT TO OPPOSITE SURFACE: 1.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL, SPLIT
•
MOUNTING HOLE DIAMETER: 0.250 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.125 INCHES NOMINAL IN
•
FIRST DISTANCE FROM CONDUCTOR SLOT TO OPPOSITE SURFACE: 0.750 INCHES NOMINAL IN
•
MATERIAL: PORCELAIN OVERALL
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 UNTHREADED HOLE(S)
SECOND DISTANCE FROM CONDUCTOR SLOT TO OPPOSITE SURFACE1.000 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL, SPLIT
MOUNTING HOLE DIAMETER0.250 INCHES NOMINAL IN
OUTSIDE DIAMETER1.125 INCHES NOMINAL IN
FIRST DISTANCE FROM CONDUCTOR SLOT TO OPPOSITE SURFACE0.750 INCHES NOMINAL IN
MATERIALPORCELAIN OVERALL
MATERIALPORCELAIN MOUNTING BASE
SUBSTITUTES & CROSS-REFERENCES 1
5 1/2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5 1/2 IN37?
5 1/2 IN37 is a INSULATOR,KNOB.
What parts can replace 5 1/2 IN37?
There is 1 known substitute for 5 1/2 IN37: 5 1/2. Substitute compatibility should be verified for your specific system.
What is the NSN for 5 1/2 IN37?
5 1/2 IN37 is cataloged in the U.S. Government catalog under NSN 5970-00-224-5228. 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.