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66-13401-3 — BOLT,INTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

66-13401-3: BOLT,INTERNALLY RELIEVED BODY.

The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 3A A, thread_length: 1.470 INCHES NOMINAL IN, fastener_length: 9.290 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.750 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-018-0840, 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
66-13401-3
NSN: 5306-01-018-0840
FSC: 5306 — Bolts
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class3A A
thread_length1.470 INCHES NOMINAL IN
fastener_length9.290 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.750 INCHES IN
minimum_tensile_strength220000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch16
thread_series_designatorUN
shank_unthreaded_hole_diameter0.090 INCHES MINIMUM AND 0.194 INCHES MAXIMUM FIRST HOLE IN
material_document_and_classificationAMS 6407 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
distance_from_head_largest_bearing_surface_to_shank_hole_center9.000 INCHES NOMINAL FIRST HOLE IN
NSN5306-01-018-0840
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 66-13401-3 · 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
•
FASTENER LENGTH: 9.290 INCHES NOMINAL IN
•
THREAD LENGTH: 1.470 INCHES NOMINAL IN
•
SHANK UNTHREADED HOLE DIAMETER: 0.090 INCHES MINIMUM AND 0.194 INCHES MAXIMUM FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6407 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
MINIMUM TENSILE STRENGTH: 220000 POUNDS PER SQUARE INCH LBS
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS
FASTENER LENGTH9.290 INCHES NOMINAL IN
THREAD LENGTH1.470 INCHES NOMINAL IN
SHANK UNTHREADED HOLE DIAMETER0.090 INCHES MINIMUM AND 0.194 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6407 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES IN
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH LBS
THREAD CLASS3A A
THREAD QUANTITY PER INCH16
MATERIALSTEEL OVERALL
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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 66-13401-3?
66-13401-3 is a BOLT,INTERNALLY RELIEVED BODY.
What is the NSN for 66-13401-3?
66-13401-3 is cataloged in the U.S. Government catalog under NSN 5306-01-018-0840. This indicates validated use in U.S. government and defense supply chains.
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