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Technical Data Sheet
PartsTable / COMPONENT / 70-2901666-1
70-2901666-1 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,HOOK is a the manufacturer industrial component. Key specifications include material: STEEL FASTENER, thread_class: 2A A, thread_length: 2.750 INCHES NOMINAL IN, hardness_rating: 70.0 ROCKWELL B NOMINAL FASTENER, style_designator: ACUTE ANGLE BEND, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-682-7066, 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
70-2901666-1
NSN: 5306-01-682-7066
FSC: 5306
CAGE: 67032 — GENERAL DYNAMICS MISSION SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL FASTENER
thread_class2A A
thread_length2.750 INCHES NOMINAL IN
hardness_rating70.0 ROCKWELL B NOMINAL FASTENER
style_designatorACUTE ANGLE BEND
thread_directionRIGHT-HAND
features_providedNUT AND WASHER
hook_inside_width0.500 INCHES NOMINAL IN
surface_treatmentZINC FASTENER
end_item_identification5820-01-572-8269
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch16
NSN5306-01-682-7066
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 70-2901666-1 · 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
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD QUANTITY PER INCH: 16
•
THREAD CLASS: 2A A
•
DISTANCE FROM INSIDE CENTER OF BEND TO HOOK END: 0.500 INCHES NOMINAL IN
•
HOOK INSIDE WIDTH: 0.500 INCHES NOMINAL IN
•
FEATURES PROVIDED: NUT AND WASHER
•
THREAD LENGTH: 2.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD QUANTITY PER INCH16
THREAD CLASS2A A
DISTANCE FROM INSIDE CENTER OF BEND TO HOOK END0.500 INCHES NOMINAL IN
HOOK INSIDE WIDTH0.500 INCHES NOMINAL IN
FEATURES PROVIDEDNUT AND WASHER
THREAD LENGTH2.750 INCHES NOMINAL IN
END ITEM IDENTIFICATION5820-01-572-8269
STYLE DESIGNATORACUTE ANGLE BEND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
716-002Interchangeable
interchangeable cross-reference
interchangeable
E-3352-000-000Interchangeable
interchangeable cross-reference
interchangeable
5800583-508403.105Interchangeable
interchangeable cross-reference
interchangeable
901-118Interchangeable
interchangeable cross-reference
interchangeable
3218B-1Interchangeable
interchangeable cross-reference
interchangeable
4283Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 70-2901666-1?
70-2901666-1 is a BOLT,HOOK.
What parts can replace 70-2901666-1?
There are 10 known substitutes for 70-2901666-1: 716-002, E-3352-000-000, 5800583-508403.105 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 70-2901666-1?
70-2901666-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-682-7066. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026