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03H1765 — BOLT,SQUARE NECK

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

03H1765: BOLT,SQUARE NECK.

The BOLT,SQUARE NECK is a the manufacturer industrial component. Key specifications include head_style: BUTTON, neck_width: 0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN, head_height: 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN, neck_length: 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.782 INCHES MINIMUM AND 0.844 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-197-1154, 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
03H1765
NSN: 5306-01-197-1154
FSC: 5306 — Bolts
CAGE: 75160 — DEERE & CO (USA)
SPECIFICATIONS
head_styleBUTTON
neck_width0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
head_height0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
neck_length0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.782 INCHES MINIMUM AND 0.844 INCHES MAXIMUM IN
thread_length0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
fastener_length0.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch16
NSN5306-01-197-1154
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 03H1765 · 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: 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
THREAD LENGTH: 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: BUTTON
•
THREAD DIRECTION: RIGHT-HAND
•
NECK WIDTH: 0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
NECK LENGTH0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
HEAD HEIGHT0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
THREAD LENGTH0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEBUTTON
THREAD DIRECTIONRIGHT-HAND
NECK WIDTH0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
SURFACE TREATMENTZINC OVERALL
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
3H 1765Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 03H1765?
03H1765 is a BOLT,SQUARE NECK.
What parts can replace 03H1765?
There is 1 known substitute for 03H1765: 3H 1765. Substitute compatibility should be verified for your specific system.
What is the NSN for 03H1765?
03H1765 is cataloged in the U.S. Government catalog under NSN 5306-01-197-1154. 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.