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L6317321-003 — STUD,BALL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

L6317321-003: STUD,BALL.

The STUD,BALL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630, thread_class: 3A LOCATION NOT OTHERWISE SPECIFIED A, head_diameter: 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN, neck_diameter: 0.750 INCHES NOMINAL IN, thread_length: 3.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_length: 5.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-184-7879, 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
L6317321-003
NSN: 5307-01-184-7879
FSC: 5307 — Studs
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialSTEEL COMP 630
thread_class3A LOCATION NOT OTHERWISE SPECIFIED A
head_diameter0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN
neck_diameter0.750 INCHES NOMINAL IN
thread_length3.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_length5.750 INCHES NOMINAL IN
style_designatorBALL
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
nominal_thread_size0.750 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
distance_across_flats1.125 INCHES NOMINAL IN
thread_quantity_per_inch16 LOCATION NOT OTHERWISE SPECIFIED
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) LOCATION NOT OTHERWISE SPECIFIED
NSN5307-01-184-7879
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: L6317321-003 · 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 LENGTH: 3.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
STYLE DESIGNATOR: BALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
•
NOMINAL THREAD SIZE: 0.750 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
•
DISTANCE FROM SPHERICAL HEAD CENTERLINE TO HEAD END: 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
•
THREAD CLASS: 3A LOCATION NOT OTHERWISE SPECIFIED A
TECHNICAL CHARACTERISTICS
THREAD LENGTH3.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
STYLE DESIGNATORBALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH5.750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
NOMINAL THREAD SIZE0.750 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
DISTANCE FROM SPHERICAL HEAD CENTERLINE TO HEAD END0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
THREAD CLASS3A LOCATION NOT OTHERWISE SPECIFIED A
THREAD QUANTITY PER INCH16 LOCATION NOT OTHERWISE SPECIFIED
MATERIALSTEEL COMP 630
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
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 L6317321-003?
L6317321-003 is a STUD,BALL.
What is the NSN for L6317321-003?
L6317321-003 is cataloged in the U.S. Government catalog under NSN 5307-01-184-7879. 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.