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471661 ITEM 4 — BOLT,U

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

471661 ITEM 4: 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 5306-01-150-9499, 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
471661 ITEM 4
NSN: 5306-01-150-9499
FSC: 5306 — Bolts
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (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_strength48000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch18
thread_series_designatorUNRF
inside_distance_between_shanks2.540 INCHES MINIMUM AND 2.600 INCHES MAXIMUM IN
distance_from_inside_center_of_bend_to_bolt_end10.970 INCHES MINIMUM AND 11.030 INCHES MAXIMUM IN
NSN5306-01-150-9499
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 471661 ITEM 4 · 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: 2.540 INCHES MINIMUM AND 2.600 INCHES MAXIMUM IN
•
THREAD LENGTH: 2.500 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
•
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END: 10.970 INCHES MINIMUM AND 11.030 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SQUARE BEND
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
MINIMUM TENSILE STRENGTH: 48000 POUNDS PER SQUARE INCH LBS
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
INSIDE DISTANCE BETWEEN SHANKS2.540 INCHES MINIMUM AND 2.600 INCHES MAXIMUM IN
THREAD LENGTH2.500 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END10.970 INCHES MINIMUM AND 11.030 INCHES MAXIMUM IN
STYLE DESIGNATORSQUARE BEND
NOMINAL THREAD DIAMETER0.625 INCHES IN
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH48000 POUNDS PER SQUARE INCH LBS
THREAD CLASS2A A
THREAD QUANTITY PER INCH18
MATERIALSTEEL 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 471661 ITEM 4?
471661 ITEM 4 is a BOLT,U.
What is the NSN for 471661 ITEM 4?
471661 ITEM 4 is cataloged in the U.S. Government catalog under NSN 5306-01-150-9499. 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.