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PartsTable / COMPONENT / 4864282 ITEM 31
4864282 ITEM 31 ✓ 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,SQUARE NECK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: BUTTON, 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: 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, thread_class: 2A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-012-6198, 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
4864282 ITEM 31
NSN: 5306-00-012-6198
FSC: 5306
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleBUTTON
neck_width0.185 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
head_height0.094 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
neck_length0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.438 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
thread_length0.630 INCHES MINIMUM IN
fastener_length0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
hardness_rating95.0 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OR ZINC OVERALL
NSN5306-00-012-6198
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4864282 ITEM 31 · 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 DIAMETER: 0.438 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
•
HEAD STYLE: BUTTON
•
NECK LENGTH: 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.630 INCHES MINIMUM IN
•
HARDNESS RATING: 95.0 ROCKWELL B MAXIMUM OVERALL
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
HEAD DIAMETER0.438 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
FASTENER LENGTH0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
HEAD STYLEBUTTON
NECK LENGTH0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
THREAD LENGTH0.630 INCHES MINIMUM IN
HARDNESS RATING95.0 ROCKWELL B MAXIMUM OVERALL
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.190 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
109115Upgraded Successor
successor cross-reference
successor
120955Upgraded Successor
successor cross-reference
successor
FFB584Upgraded Successor
successor cross-reference
successor
MT58Upgraded Successor
successor cross-reference
successor
MS35751-19Upgraded Successor
successor cross-reference
successor
MS35752&11Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4864282 ITEM 31?
4864282 ITEM 31 is a BOLT,SQUARE NECK.
What parts can replace 4864282 ITEM 31?
There are 15 known substitutes for 4864282 ITEM 31: 109115, 120955, FFB584 and 12 more. Substitute compatibility should be verified for your specific system.
Is 4864282 ITEM 31 still available?
4864282 ITEM 31 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026