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A6412 — BOLT,RIBBED SHOULDER

✓ Government record, cited
Hasbro · BOLT SCREW
PRODUCT OVERVIEW

A6412: BOLT,RIBBED SHOULDER.

The BOLT,RIBBED SHOULDER is a Hasbro industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, head_style: FLAT CHAMFER, rib_length: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, head_height: 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-709-1474, 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
A6412
NSN: 5306-00-709-1474
NIINs: 007091474, 011077743
FSC: 5306 — Bolts
CAGE: 52793 — SAGINAW PRODUCTS CORPORATION DBA CIGNYS (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
head_styleFLAT CHAMFER
rib_length0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
head_height0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.625 INCHES NOMINAL IN
thread_length0.875 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.375 INCHES MINIMUM AND 1.391 INCHES MAXIMUM IN
hardness_rating28.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
NSN5306-00-709-1474
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A6412 · Hasbro ⚠ 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
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HEAD HEIGHT: 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.375 INCHES MINIMUM AND 1.391 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM FIRST SHOULDER IN
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
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SHOULDER DIAMETER: 0.429 INCHES MINIMUM AND 0.434 INCHES MAXIMUM FIRST SHOULDER IN
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THREAD LENGTH: 0.875 INCHES MINIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
FASTENER LENGTH1.375 INCHES MINIMUM AND 1.391 INCHES MAXIMUM IN
SHOULDER LENGTH0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SHOULDER DIAMETER0.429 INCHES MINIMUM AND 0.434 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.875 INCHES MINIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
RIB LENGTH0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A6412?
A6412 is a BOLT,RIBBED SHOULDER manufactured by Hasbro.
What is the NSN for A6412?
A6412 is cataloged in the U.S. Government catalog under NSN 5306-00-709-1474. 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.