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8346353 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8346353: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8640 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL, head_style: HEXAGON, head_height: 0.750 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.281 INCHES MINIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-219-8201, 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
8346353
NSN: 5306-00-219-8201
FSC: 5306 — Bolts
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 8640 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
head_styleHEXAGON
head_height0.750 INCHES NOMINAL IN
thread_class2A A
thread_length1.281 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length5.750 INCHES NOMINAL IN
hardness_rating28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length4.219 INCHES NOMINAL FIRST SHOULDER IN
special_features0.156 IN. WIDE BY 1.016 IN. DIA THREAD RELIEF,0.094 IN. WIDE BY 1.188 IN. DIA UNDERCUT UNDER HEAD,NO. 63 FINISH ON BEARING SURFACE OF SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter1.249 INCHES NOMINAL FIRST SHOULDER IN
NSN5306-00-219-8201
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8346353 · 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 HEIGHT: 0.750 INCHES NOMINAL IN
•
FASTENER LENGTH: 5.750 INCHES NOMINAL IN
•
SHOULDER LENGTH: 4.219 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 1.249 INCHES NOMINAL FIRST SHOULDER IN
•
THREAD LENGTH: 1.281 INCHES MINIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A322 ASSN STD ALL MATERIAL RESPONSES OR ASTM A331 ASSN STD ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.750 INCHES NOMINAL IN
FASTENER LENGTH5.750 INCHES NOMINAL IN
SHOULDER LENGTH4.219 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER1.249 INCHES NOMINAL FIRST SHOULDER IN
THREAD LENGTH1.281 INCHES MINIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A322 ASSN STD ALL MATERIAL RESPONSES OR ASTM A331 ASSN STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER1.125 INCHES IN
HEAD STYLEHEXAGON
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
5306002198201Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8346353?
8346353 is a BOLT,SHOULDER.
What parts can replace 8346353?
There is 1 known substitute for 8346353: 5306002198201. Substitute compatibility should be verified for your specific system.
What is the NSN for 8346353?
8346353 is cataloged in the U.S. Government catalog under NSN 5306-00-219-8201. This indicates validated use in U.S. government and defense supply chains.
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