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7120253 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

7120253: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OVERALL, head_style: HEXAGON, head_height: 0.438 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.688 INCHES MINIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-712-0253, 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
7120253
NSN: 5306-00-712-0253
FSC: 5306 — Bolts
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
head_styleHEXAGON
head_height0.438 INCHES NOMINAL IN
thread_class2A A
thread_length0.688 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.500 INCHES NOMINAL IN
shoulder_length0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM FIRST SHOULDER IN
special_featuresWASHER FACED BEARING SURFACE ON HEAD,THREAD RELIEF 0.060 IN. W IN
thread_directionRIGHT-HAND
shoulder_diameter0.4960 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentPHOSPHATE OVERALL
NSN5306-00-712-0253
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7120253 · 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: 0.438 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.500 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.4960 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.688 INCHES MINIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.438 INCHES NOMINAL IN
FASTENER LENGTH1.500 INCHES NOMINAL IN
SHOULDER LENGTH0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER DIAMETER0.4960 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.688 INCHES MINIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 7120253?
7120253 is a BOLT,SHOULDER.
What is the NSN for 7120253?
7120253 is cataloged in the U.S. Government catalog under NSN 5306-00-712-0253. This indicates validated use in U.S. government and defense supply chains.
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