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1V3655 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1V3655: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include thread_class: 3A A, shoulder_shape: ROUND FIRST SHOULDER, thread_direction: RIGHT-HAND, shoulder_diameter: 0.310 INCHES NOMINAL FIRST SHOULDER IN, nominal_thread_diameter: 0.250 INCHES IN, thread_quantity_per_inch: 28. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-062-7129, 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
1V3655
NSN: 5306-01-062-7129
FSC: 5306 — Bolts
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
thread_class3A A
shoulder_shapeROUND FIRST SHOULDER
thread_directionRIGHT-HAND
shoulder_diameter0.310 INCHES NOMINAL FIRST SHOULDER IN
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch28
thread_series_designatorUNF
NSN5306-01-062-7129
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1V3655 · 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
•
SHOULDER DIAMETER: 0.310 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 3A A
•
THREAD QUANTITY PER INCH: 28
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS
SHOULDER DIAMETER0.310 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A A
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF
SUBSTITUTES & CROSS-REFERENCES 1
50957Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1V3655?
1V3655 is a BOLT,SHOULDER.
What parts can replace 1V3655?
There is 1 known substitute for 1V3655: 50957. Substitute compatibility should be verified for your specific system.
What is the NSN for 1V3655?
1V3655 is cataloged in the U.S. Government catalog under NSN 5306-01-062-7129. 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.