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4030779 — STUD,SPECIAL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4030779: STUD,SPECIAL.

The STUD,SPECIAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 1.000 INCHES MINIMUM IN, thread_class: 2A A, thread_length: 1.000 INCHES MINIMUM IN, overall_length: 3.250 INCHES NOMINAL IN, style_designator: ROUND, CLOSED. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-411-2405, 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
4030779
NSN: 5306-00-411-2405
NIINs: 004112405, 011134811
FSC: 5306 — Bolts
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length1.000 INCHES MINIMUM IN
thread_class2A A
thread_length1.000 INCHES MINIMUM IN
overall_length3.250 INCHES NOMINAL IN
style_designatorROUND, CLOSED
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
eye_stock_diameter0.375 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
eye_inside_diameter1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch16
NSN5306-00-411-2405
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4030779 · 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
•
EYE STOCK DIAMETER: 0.375 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
•
SHANK LENGTH: 1.000 INCHES MINIMUM IN
•
STYLE DESIGNATOR: ROUND, CLOSED
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
EYE STOCK DIAMETER0.375 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH1.000 INCHES MINIMUM IN
SHANK LENGTH1.000 INCHES MINIMUM IN
STYLE DESIGNATORROUND, CLOSED
OVERALL LENGTH3.250 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM CENTER OF EYE TO SHANK END2.219 INCHES MINIMUM AND 2.282 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
13211E6765Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4030779?
4030779 is a STUD,SPECIAL.
What parts can replace 4030779?
There is 1 known substitute for 4030779: 13211E6765. Substitute compatibility should be verified for your specific system.
What is the NSN for 4030779?
4030779 is cataloged in the U.S. Government catalog under NSN 5306-00-411-2405. 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.