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88-21685 — BOLT,HOOK

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

88-21685: BOLT,HOOK.

The BOLT,HOOK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, thread_class: 2B, thread_length: 1.750 INCHES NOMINAL IN, style_designator: ROUND BEND, thread_direction: RIGHT-HAND, hook_inside_width: 0.312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-366-4527, 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
88-21685
NSN: 5306-01-366-4527
FSC: 5306 — Bolts
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
thread_class2B
thread_length1.750 INCHES NOMINAL IN
style_designatorROUND BEND
thread_directionRIGHT-HAND
hook_inside_width0.312 INCHES NOMINAL IN
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch16
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
distance_from_inside_of_bend_to_shank_end5.630 INCHES NOMINAL IN
distance_from_inside_center_of_bend_to_hook_end0.630 INCHES NOMINAL IN
NSN5306-01-366-4527
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 88-21685 · 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: 5.630 INCHES NOMINAL IN
•
THREAD LENGTH: 1.750 INCHES NOMINAL IN
•
HOOK INSIDE WIDTH: 0.312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND BEND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
DISTANCE FROM INSIDE CENTER OF BEND TO HOOK END: 0.630 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM INSIDE OF BEND TO SHANK END5.630 INCHES NOMINAL IN
THREAD LENGTH1.750 INCHES NOMINAL IN
HOOK INSIDE WIDTH0.312 INCHES NOMINAL IN
STYLE DESIGNATORROUND BEND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM INSIDE CENTER OF BEND TO HOOK END0.630 INCHES NOMINAL IN
THREAD CLASS2B
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 88-21685?
88-21685 is a BOLT,HOOK.
What is the NSN for 88-21685?
88-21685 is cataloged in the U.S. Government catalog under NSN 5306-01-366-4527. This indicates validated use in U.S. government and defense supply chains.
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