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8407180 — BOLT,U

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8407180: BOLT,U.

The BOLT,U is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1090 OR STEEL COMP 1045 OR STEEL COMP 1141 OR STEEL COMP 1137 OVERALL, thread_class: 2A A, thread_length: 2.125 INCHES MINIMUM IN, style_designator: SQUARE BEND, thread_direction: RIGHT-HAND, nominal_thread_diameter: 1.125 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-389-8231, 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
8407180
NSN: 5306-00-389-8231
FSC: 5306 — Bolts
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1090 OR STEEL COMP 1045 OR STEEL COMP 1141 OR STEEL COMP 1137 OVERALL
thread_class2A A
thread_length2.125 INCHES MINIMUM IN
style_designatorSQUARE BEND
thread_directionRIGHT-HAND
nominal_thread_diameter1.125 INCHES IN
thread_quantity_per_inch12
thread_series_designatorUNF
inside_distance_between_shanks5.719 INCHES NOMINAL IN
material_document_and_classificationQQ-S-631 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-637 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-637 FED SPEC 4TH MATERIAL RESPONSE OVERALL
distance_from_inside_center_of_bend_to_bolt_end10.375 INCHES NOMINAL IN
NSN5306-00-389-8231
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8407180 · 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
•
INSIDE DISTANCE BETWEEN SHANKS: 5.719 INCHES NOMINAL IN
•
THREAD LENGTH: 2.125 INCHES MINIMUM IN
•
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END: 10.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SQUARE BEND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-631 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-637 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-637 FED SPEC 4TH MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 1.125 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
INSIDE DISTANCE BETWEEN SHANKS5.719 INCHES NOMINAL IN
THREAD LENGTH2.125 INCHES MINIMUM IN
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END10.375 INCHES NOMINAL IN
STYLE DESIGNATORSQUARE BEND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-631 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-637 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-637 FED SPEC 4TH MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER1.125 INCHES IN
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
THREAD QUANTITY PER INCH12
MATERIALSTEEL COMP 1090 OR STEEL COMP 1045 OR STEEL COMP 1141 OR STEEL COMP 1137 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8407180?
8407180 is a BOLT,U.
What is the NSN for 8407180?
8407180 is cataloged in the U.S. Government catalog under NSN 5306-00-389-8231. This indicates validated use in U.S. government and defense supply chains.
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