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4012901-1 — BOLT,HOOK

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4012901-1: BOLT,HOOK.

The BOLT,HOOK is a the manufacturer industrial component. Key specifications include material: STEEL COMP M1010 OR STEEL COMP M1012 OR STEEL COMP M1015 OR STEEL COMP M1017 OR STEEL COMP M1020 OVERALL, thread_class: 2A A, thread_length: 1.500 INCHES MINIMUM IN, style_designator: SQUARE BEND, thread_direction: RIGHT-HAND, hook_inside_width: 1.620 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-185-2071, 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
4012901-1
NSN: 5306-01-185-2071
FSC: 5306 — Bolts
CAGE: 29381 — GICHNER SYSTEMS GROUP, INC. DIV C5ISR DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP M1010 OR STEEL COMP M1012 OR STEEL COMP M1015 OR STEEL COMP M1017 OR STEEL COMP M1020 OVERALL
thread_class2A A
thread_length1.500 INCHES MINIMUM IN
style_designatorSQUARE BEND
thread_directionRIGHT-HAND
hook_inside_width1.620 INCHES NOMINAL IN
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch16
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationASTM A575 ASSN STD ALL MATERIAL RESPONSES OVERALL
distance_from_inside_of_bend_to_shank_end5.500 INCHES NOMINAL IN
distance_from_inside_center_of_bend_to_hook_end0.620 INCHES NOMINAL IN
NSN5306-01-185-2071
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4012901-1 · 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
•
DISTANCE FROM INSIDE OF BEND TO SHANK END: 5.500 INCHES NOMINAL IN
•
THREAD LENGTH: 1.500 INCHES MINIMUM IN
•
HOOK INSIDE WIDTH: 1.620 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SQUARE BEND
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A575 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
DISTANCE FROM INSIDE CENTER OF BEND TO HOOK END: 0.620 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM INSIDE OF BEND TO SHANK END5.500 INCHES NOMINAL IN
THREAD LENGTH1.500 INCHES MINIMUM IN
HOOK INSIDE WIDTH1.620 INCHES NOMINAL IN
STYLE DESIGNATORSQUARE BEND
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A575 ASSN STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM INSIDE CENTER OF BEND TO HOOK END0.620 INCHES NOMINAL IN
THREAD CLASS2A A
THREAD QUANTITY PER INCH16
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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4012901-1?
4012901-1 is a BOLT,HOOK.
What is the NSN for 4012901-1?
4012901-1 is cataloged in the U.S. Government catalog under NSN 5306-01-185-2071. This indicates validated use in U.S. government and defense supply chains.
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