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Technical Data Sheet
PartsTable / COMPONENT / C5320
C5320 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OR STEEL COMP E4340 OVERALL, hole_type: DRILLED, head_style: DEE, head_height: 0.077 INCHES MINIMUM AND 0.117 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-061-4961, 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
C5320
NSN: 5306-00-061-4961
FSC: 5306
CAGE: 16413 — COX MACHINE INC (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OR STEEL COMP E4340 OVERALL
hole_typeDRILLED
head_styleDEE
head_height0.077 INCHES MINIMUM AND 0.117 INCHES MAXIMUM IN
thread_class3A A
head_diameter1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
hole_diameter0.062 INCHES NOMINAL IN
hole_quantity1
thread_length0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
fastener_length1.943 INCHES MINIMUM AND 1.963 INCHES MAXIMUM IN
style_designatorCOUNTERBORE UNTHREADED
thread_directionRIGHT-HAND
NSN5306-00-061-4961
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: C5320 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HOLE DIAMETER: 0.062 INCHES NOMINAL IN
•
HOLE TYPE: DRILLED
•
STYLE DESIGNATOR: COUNTERBORE UNTHREADED
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
CONCENTRIC HOLE DIAMETER: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNF
•
MINIMUM TENSILE STRENGTH: 180000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.062 INCHES NOMINAL IN
HOLE TYPEDRILLED
STYLE DESIGNATORCOUNTERBORE UNTHREADED
NOMINAL THREAD DIAMETER0.625 INCHES IN
SURFACE TREATMENTCADMIUM OVERALL
CONCENTRIC HOLE DIAMETER0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNF
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH LBS
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.787 INCHES MINIMUM AND 1.807 INCHES MAXIMUM FIRST HOLE IN
HOLE CONFIGURATION STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
50095Interchangeable
interchangeable cross-reference
interchangeable
60836HInterchangeable
interchangeable cross-reference
interchangeable
1B936Interchangeable
interchangeable cross-reference
interchangeable
11073AInterchangeable
interchangeable cross-reference
interchangeable
SG544-68Interchangeable
interchangeable cross-reference
interchangeable
S8054Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C5320?
C5320 is a BOLT,INTERNALLY RELIEVED BODY.
What parts can replace C5320?
There are 14 known substitutes for C5320: 50095, 60836H, 1B936 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C5320?
C5320 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-061-4961. 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