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7538709 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

7538709: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.375 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.906 INCHES MINIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-753-8709, 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
7538709
NSN: 5306-00-753-8709
FSC: 5306 — Bolts
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.375 INCHES NOMINAL IN
thread_class2A A
thread_length0.906 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.844 INCHES NOMINAL IN
hardness_rating15.0 ROCKWELL C MINIMUM AND 24.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length0.812 INCHES NOMINAL FIRST SHOULDER IN
special_features0.0156 IN. BY 45 DEG CHAMFER AT SHOULDER,35 DEG CHAMFER AT THD END IN
thread_directionRIGHT-HAND
shoulder_diameter0.560 INCHES MINIMUM AND 0.561 INCHES MAXIMUM FIRST SHOULDER IN
NSN5306-00-753-8709
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7538709 · 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: 0.375 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.844 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.812 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.560 INCHES MINIMUM AND 0.561 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.906 INCHES MINIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
HARDNESS RATING: 15.0 ROCKWELL C MINIMUM AND 24.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.375 INCHES NOMINAL IN
FASTENER LENGTH1.844 INCHES NOMINAL IN
SHOULDER LENGTH0.812 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.560 INCHES MINIMUM AND 0.561 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.906 INCHES MINIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
HARDNESS RATING15.0 ROCKWELL C MINIMUM AND 24.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 2
305158Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5306007538709Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7538709?
7538709 is a BOLT,SHOULDER.
What parts can replace 7538709?
There are 2 known substitutes for 7538709: 305158, 5306007538709. Substitute compatibility should be verified for your specific system.
What is the NSN for 7538709?
7538709 is cataloged in the U.S. Government catalog under NSN 5306-00-753-8709. This indicates validated use in U.S. government and defense supply chains.
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