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4058986P9 — STUD,STEPPED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4058986P9: STUD,STEPPED.

The STUD,STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 3A NUT THREAD A, thread_length: 0.603 INCHES MINIMUM AND 0.623 INCHES MAXIMUM STUD THREAD IN, overall_length: 1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM IN, shank_diameter: 0.216 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN, special_features: PITCH DIA IS OVERSIZED. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-145-9475, 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
4058986P9
NSN: 5307-01-145-9475
FSC: 5307 — Studs
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL
thread_class3A NUT THREAD A
thread_length0.603 INCHES MINIMUM AND 0.623 INCHES MAXIMUM STUD THREAD IN
overall_length1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM IN
shank_diameter0.216 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN
special_featuresPITCH DIA IS OVERSIZED
style_designatorSTEPPED
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.384 INCHES STUD THREAD IN
thread_pitch_diameters+0.3482 TO 0.3497 INCHES STUD THREAD IN
thread_quantity_per_inch16 STUD THREAD
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD
NSN5307-01-145-9475
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4058986P9 · 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
•
SHANK DIAMETER: 0.216 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.560 INCHES MINIMUM AND 0.630 INCHES MAXIMUM NUT THREAD IN
•
STYLE DESIGNATOR: STEPPED
•
THREAD PITCH DIAMETERS: +0.3482 TO 0.3497 INCHES STUD THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 7481 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.216 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN
THREAD LENGTH0.560 INCHES MINIMUM AND 0.630 INCHES MAXIMUM NUT THREAD IN
THREAD LENGTH0.603 INCHES MINIMUM AND 0.623 INCHES MAXIMUM STUD THREAD IN
STYLE DESIGNATORSTEPPED
THREAD PITCH DIAMETERS+0.3482 TO 0.3497 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7481 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD 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 4058986P9?
4058986P9 is a STUD,STEPPED.
What is the NSN for 4058986P9?
4058986P9 is cataloged in the U.S. Government catalog under NSN 5307-01-145-9475. 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.