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C4291 — INSULATOR,STANDOFF

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

C4291: INSULATOR,STANDOFF.

The INSULATOR,STANDOFF is a the manufacturer industrial component. Key specifications include overall_height: 0.875 INCHES NOMINAL IN, outside_diameter: 0.375 INCHES NOMINAL IN, style_designator: PILLAR, screw_thread_diameter_and_location: 0.138 MOUNTING FACILITY INCHES NOMINAL AND 0.138 ELECTRICAL TERMINATION INCHES NOMINAL, screw_thread_quantity_per_inch_and_location: 32 MOUNTING FACILITY AND 32 ELECTRICAL TERMINATION. This part is cataloged in the U.S.

Government catalog under NSN 5970-00-615-5547, 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
C4291
NSN: 5970-00-615-5547
NIINs: 006155547, 014244914
FSC: 5970 — Electrical Insulators and Insulating Materials
CAGE: 71313 — VIKING TECHNOLOGIES, LTD. (USA)
SPECIFICATIONS
overall_height0.875 INCHES NOMINAL IN
outside_diameter0.375 INCHES NOMINAL IN
style_designatorPILLAR
screw_thread_diameter_and_location0.138 MOUNTING FACILITY INCHES NOMINAL AND 0.138 ELECTRICAL TERMINATION INCHES NOMINAL
screw_thread_quantity_per_inch_and_location32 MOUNTING FACILITY AND 32 ELECTRICAL TERMINATION
NSN5970-00-615-5547
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSULATOR,STANDOFF TITLE COMPONENT PN C4291 MFR INSULATOR,STANDOFF
KEY FEATURES
•
SCREW THREAD DIAMETER AND LOCATION: 0.138 MOUNTING FACILITY INCHES NOMINAL AND 0.138 ELECTRICAL TERMINATION INCHES NOMINAL
•
SCREW THREAD QUANTITY PER INCH AND LOCATION: 32 MOUNTING FACILITY AND 32 ELECTRICAL TERMINATION
•
STYLE DESIGNATOR: PILLAR
•
OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SCREW THREAD DIAMETER AND LOCATION0.138 MOUNTING FACILITY INCHES NOMINAL AND 0.138 ELECTRICAL TERMINATION INCHES NOMINAL
OVERALL HEIGHT0.875 INCHES NOMINAL IN
SCREW THREAD QUANTITY PER INCH AND LOCATION32 MOUNTING FACILITY AND 32 ELECTRICAL TERMINATION
STYLE DESIGNATORPILLAR
OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
1705Reference 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 C4291?
C4291 is a INSULATOR,STANDOFF.
What parts can replace C4291?
There is 1 known substitute for C4291: 1705. Substitute compatibility should be verified for your specific system.
What is the NSN for C4291?
C4291 is cataloged in the U.S. Government catalog under NSN 5970-00-615-5547. 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.