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Technical Data Sheet
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6W0210 — BOLT,INTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6W0210: BOLT,INTERNALLY RELIEVED BODY.

The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include head_height: 13.0 MILLIMETERS NOMINAL MM, thread_class: 2A A, thread_series: UNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE, fastener_length: 20.0 MILLIMETERS NOMINAL MM, style_designator: CONCENTRIC HOLE THREADED, threads_per_inch: 18 CONCENTRIC HOLE. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-428-7534, 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
6W0210
NSN: 5306-01-428-7534
FSC: 5306 — Bolts
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
head_height13.0 MILLIMETERS NOMINAL MM
thread_class2A A
thread_seriesUNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE
fastener_length20.0 MILLIMETERS NOMINAL MM
style_designatorCONCENTRIC HOLE THREADED
threads_per_inch18 CONCENTRIC HOLE
nominal_thread_size0.312 INCHES CONCENTRIC HOLE IN
width_between_flats12.0 MILLIMETERS NOMINAL MM
internal_thread_class2B CONCENTRIC HOLE
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5306-01-428-7534
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6W0210 · 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
•
HEAD HEIGHT: 13.0 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 20.0 MILLIMETERS NOMINAL MM
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE
•
THREADS PER INCH: 18 CONCENTRIC HOLE
•
STYLE DESIGNATOR: CONCENTRIC HOLE THREADED
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
NOMINAL THREAD SIZE: 0.312 INCHES CONCENTRIC HOLE IN
•
WIDTH BETWEEN FLATS: 12.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
HEAD HEIGHT13.0 MILLIMETERS NOMINAL MM
FASTENER LENGTH20.0 MILLIMETERS NOMINAL MM
THREAD SERIESUNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE
THREADS PER INCH18 CONCENTRIC HOLE
STYLE DESIGNATORCONCENTRIC HOLE THREADED
NOMINAL THREAD DIAMETER0.312 INCHES IN
NOMINAL THREAD SIZE0.312 INCHES CONCENTRIC HOLE IN
WIDTH BETWEEN FLATS12.0 MILLIMETERS NOMINAL MM
INTERNAL THREAD CLASS2B CONCENTRIC HOLE
THREAD CLASS2A A
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
AF-DS 2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6W0210?
6W0210 is a BOLT,INTERNALLY RELIEVED BODY.
What parts can replace 6W0210?
There is 1 known substitute for 6W0210: AF-DS 2. Substitute compatibility should be verified for your specific system.
What is the NSN for 6W0210?
6W0210 is cataloged in the U.S. Government catalog under NSN 5306-01-428-7534. 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.