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133-6270 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

133-6270: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 2.4 MILLIMETERS NOMINAL MM, head_height: 6.2 MILLIMETERS NOMINAL MM, fastener_length: 38.1 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-550-3946, 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
133-6270
NSN: 5306-01-550-3946
FSC: 5306 — Bolts
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length2.4 MILLIMETERS NOMINAL MM
head_height6.2 MILLIMETERS NOMINAL MM
fastener_length38.1 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
width_between_flats12.7 MILLIMETERS NOMINAL MM
end_item_identificationUSED ON CATERPILLAR DIESEL MOTOR
nominal_thread_diameter0.312 INCHES IN
minimum_tensile_strength1035 MEGAPASCALS
thread_quantity_per_inch18
NSN5306-01-550-3946
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 133-6270 · 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: 6.2 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 38.1 MILLIMETERS NOMINAL MM
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 2.4 MILLIMETERS NOMINAL MM
•
WIDTH BETWEEN FLATS: 12.7 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT: PHOSPHATE OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT6.2 MILLIMETERS NOMINAL MM
FASTENER LENGTH38.1 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH2.4 MILLIMETERS NOMINAL MM
WIDTH BETWEEN FLATS12.7 MILLIMETERS NOMINAL MM
SURFACE TREATMENTPHOSPHATE OVERALL
MINIMUM TENSILE STRENGTH1035 MEGAPASCALS
END ITEM IDENTIFICATIONUSED ON CATERPILLAR DIESEL MOTOR
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 133-6270?
133-6270 is a BOLT,CLOSE TOLERANCE.
What is the NSN for 133-6270?
133-6270 is cataloged in the U.S. Government catalog under NSN 5306-01-550-3946. This indicates validated use in U.S. government and defense supply chains.
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