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SUM4091 — STUD,BALL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SUM4091: STUD,BALL.

The STUD,BALL is a the manufacturer industrial component. Key specifications include material: STEEL, head_diameter: 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN, neck_diameter: 0.150 INCHES NOMINAL IN, overall_length: 0.600 INCHES NOMINAL IN, style_designator: BALL, thread_direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-357-5645, 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
SUM4091
NSN: 5307-01-357-5645
FSC: 5307 — Studs
CAGE: 058R3 — GE AVIATION SYSTEMS LLC DBA GE AVIATION (USA)
SPECIFICATIONS
materialSTEEL
head_diameter0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
neck_diameter0.150 INCHES NOMINAL IN
overall_length0.600 INCHES NOMINAL IN
style_designatorBALL
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
nominal_thread_size0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
thread_quantity_per_inch28 LOCATION NOT OTHERWISE SPECIFIED
thread_series_designatorUNF LOCATION NOT OTHERWISE SPECIFIED
distance_from_spherical_head_centerline_to_head_end0.100 INCHES NOMINAL IN
NSN5307-01-357-5645
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SUM4091 · 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
•
STYLE DESIGNATOR: BALL
•
THREAD DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
•
NOMINAL THREAD SIZE: 0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
•
DISTANCE FROM SPHERICAL HEAD CENTERLINE TO HEAD END: 0.100 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 28 LOCATION NOT OTHERWISE SPECIFIED
•
MATERIAL: STEEL
•
NECK DIAMETER: 0.150 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORBALL
OVERALL LENGTH0.600 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
NOMINAL THREAD SIZE0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
DISTANCE FROM SPHERICAL HEAD CENTERLINE TO HEAD END0.100 INCHES NOMINAL IN
THREAD QUANTITY PER INCH28 LOCATION NOT OTHERWISE SPECIFIED
MATERIALSTEEL
NECK DIAMETER0.150 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNF LOCATION NOT OTHERWISE SPECIFIED
HEAD DIAMETER0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
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 SUM4091?
SUM4091 is a STUD,BALL.
What is the NSN for SUM4091?
SUM4091 is cataloged in the U.S. Government catalog under NSN 5307-01-357-5645. 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.