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506299PC11 — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

506299PC11: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.245 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 2.370 INCHES MINIMUM AND 2.430 INCHES MAXIMUM IN, fastener_length: 2.455 INCHES MINIMUM AND 2.515 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-208-3952, 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
506299PC11
NSN: 5306-00-208-3952
FSC: 5306 — Bolts
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.245 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN
thread_class2A A
thread_length2.370 INCHES MINIMUM AND 2.430 INCHES MAXIMUM IN
fastener_length2.455 INCHES MINIMUM AND 2.515 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
nominal_thread_diameter0.750 INCHES IN
first_diameter_from_head0.580 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
thread_quantity_per_inch10
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5306-00-208-3952
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 506299PC11 · 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: 0.245 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.455 INCHES MINIMUM AND 2.515 INCHES MAXIMUM IN
•
THREAD LENGTH: 2.370 INCHES MINIMUM AND 2.430 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.580 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.245 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN
FASTENER LENGTH2.455 INCHES MINIMUM AND 2.515 INCHES MAXIMUM IN
THREAD LENGTH2.370 INCHES MINIMUM AND 2.430 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.580 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.750 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.065 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
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

No substitute or cross-reference records for this part.

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 506299PC11?
506299PC11 is a BOLT,EXTERNALLY RELIEVED BODY.
What is the NSN for 506299PC11?
506299PC11 is cataloged in the U.S. Government catalog under NSN 5306-00-208-3952. 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.