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92356A255 — BOLT,SQUARE NECK

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

92356A255: BOLT,SQUARE NECK.

The BOLT,SQUARE NECK is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 18.8 OR STEEL COMP 304 OVERALL, head_style: ROUND, neck_width: 0.185 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN, head_height: 0.094 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN, neck_length: 0.130 INCHES NOMINAL IN, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-732-6810, 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
92356A255
NSN: 5306-01-732-6810
FSC: 5306 — Bolts
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 18.8 OR STEEL COMP 304 OVERALL
head_styleROUND
neck_width0.185 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
head_height0.094 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
neck_length0.130 INCHES NOMINAL IN
thread_class2A A
head_diameter0.438 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
thread_length0.370 INCHES NOMINAL IN
fastener_length0.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
end_item_identification4930-017061485
nominal_thread_diameter0.190 INCHES IN
NSN5306-01-732-6810
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 92356A255 · 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
•
NECK LENGTH: 0.130 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.094 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
THREAD LENGTH: 0.370 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A193/A193M, GRADE B8, CLASS 2 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: ROUND
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
NECK LENGTH0.130 INCHES NOMINAL IN
HEAD HEIGHT0.094 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
FASTENER LENGTH0.500 INCHES NOMINAL IN
THREAD LENGTH0.370 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A193/A193M, GRADE B8, CLASS 2 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEROUND
THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATA05047-ASME B18.24-2023 INTERNATIONAL STD/SPEC
NECK WIDTH0.185 INCHES MINIMUM AND 0.199 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 92356A255?
92356A255 is a BOLT,SQUARE NECK.
What is the NSN for 92356A255?
92356A255 is cataloged in the U.S. Government catalog under NSN 5306-01-732-6810. 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.