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471663 — BOLT,U

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

471663: BOLT,U.

The BOLT,U is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2A A, thread_length: 2.500 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN, style_designator: SQUARE BEND, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.625 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-323-8967, 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
471663
NSN: 5306-01-323-8967
FSC: 5306 — Bolts
CAGE: 11862 — GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A A
thread_length2.500 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
style_designatorSQUARE BEND
thread_directionRIGHT-HAND
nominal_thread_diameter0.625 INCHES IN
minimum_tensile_strength32000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch18
thread_series_designatorUNRF
inside_distance_between_shanks2.520 INCHES MINIMUM AND 2.580 INCHES MAXIMUM IN
material_document_and_classificationSAE J429 GR5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
distance_from_inside_center_of_bend_to_bolt_end13.720 INCHES MINIMUM AND 13.780 INCHES MAXIMUM IN
NSN5306-01-323-8967
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 471663 · 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: 2.520 INCHES MINIMUM AND 2.580 INCHES MAXIMUM IN
•
THREAD LENGTH: 2.500 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
•
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END: 13.720 INCHES MINIMUM AND 13.780 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SQUARE BEND
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J429 GR5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
MINIMUM TENSILE STRENGTH: 32000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
INSIDE DISTANCE BETWEEN SHANKS2.520 INCHES MINIMUM AND 2.580 INCHES MAXIMUM IN
THREAD LENGTH2.500 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END13.720 INCHES MINIMUM AND 13.780 INCHES MAXIMUM IN
STYLE DESIGNATORSQUARE BEND
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GR5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH32000 POUNDS PER SQUARE INCH LBS
THREAD CLASS2A A
THREAD QUANTITY PER INCH18
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 1
471661 ITEM7Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 471663?
471663 is a BOLT,U.
What parts can replace 471663?
There is 1 known substitute for 471663: 471661 ITEM7. Substitute compatibility should be verified for your specific system.
What is the NSN for 471663?
471663 is cataloged in the U.S. Government catalog under NSN 5306-01-323-8967. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.