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PartsTable / COMPONENT / C539-1
C539-1 ✓ 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 CLAMP,HUB is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416, thickness: 0.1500 INCHES NOMINAL IN, bore_diameter: 0.1250 INCHES NOMINAL IN, overall_width: 0.1960 INCHES NOMINAL IN, overall_length: 0.2900 INCHES NOMINAL IN, style_designator: RECTANGULAR, SINGLE BOLT SECURED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-361-0569, 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
C539-1
NSN: 3040-01-361-0569
FSC: 3040
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 416
thickness0.1500 INCHES NOMINAL IN
bore_diameter0.1250 INCHES NOMINAL IN
overall_width0.1960 INCHES NOMINAL IN
overall_length0.2900 INCHES NOMINAL IN
style_designatorRECTANGULAR, SINGLE BOLT SECURED
surface_treatmentPASSIVATE
nominal_thread_size0.0860 INCHES IN
plain_hole_diameter0.1490 INCHES NOMINAL IN
clamp_securing_hole_styleTHREADED
screw_thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
distance_from_bore_centerline_to_end0.1920 INCHES NOMINAL IN
NSN3040-01-361-0569
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CLAMP,HUB TITLE COMPONENT PN C539-1 MFR CLAMP,HUB
KEY FEATURES
•
SCREW THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THICKNESS: 0.1500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR, SINGLE BOLT SECURED
•
MATERIAL: STEEL COMP 416
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764, TYPE 416-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: PASSIVATE
•
CLAMP SECURING HOLE STYLE: THREADED
•
NOMINAL THREAD SIZE: 0.0860 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THICKNESS0.1500 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR, SINGLE BOLT SECURED
MATERIALSTEEL COMP 416
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764, TYPE 416-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENTPASSIVATE
CLAMP SECURING HOLE STYLETHREADED
NOMINAL THREAD SIZE0.0860 INCHES IN
OVERALL LENGTH0.2900 INCHES NOMINAL IN
PLAIN HOLE DIAMETER0.1490 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
1753640Interchangeable
interchangeable cross-reference
interchangeable
306Interchangeable
interchangeable cross-reference
interchangeable
AR80Interchangeable
interchangeable cross-reference
interchangeable
35584052Interchangeable
interchangeable cross-reference
interchangeable
DC539Interchangeable
interchangeable cross-reference
interchangeable
261SJ13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C539-1?
C539-1 is a CLAMP,HUB.
What parts can replace C539-1?
There are 20 known substitutes for C539-1: 1753640, 306, AR80 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C539-1?
C539-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-361-0569. 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