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389519P6 — STUD,STEPPED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

389519P6: STUD,STEPPED.

The STUD,STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 3A NUT THREAD A, thread_length: 0.650 INCHES NOMINAL STUD THREAD IN, overall_length: 1.860 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN, shank_diameter: 0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES SHANK. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-820-9985, 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
389519P6
NSN: 5307-00-820-9985
FSC: 5307 — Studs
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL
thread_class3A NUT THREAD A
thread_length0.650 INCHES NOMINAL STUD THREAD IN
overall_length1.860 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN
shank_diameter0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES SHANK
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
style_designatorSTEPPED
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.312 INCHES NUT THREAD IN
thread_pitch_diameters+0.3452 TO 0.3467 INCHES STUD THREAD IN
NSN5307-00-820-9985
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 389519P6 · 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: 0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
•
SURFACE FINISH: 63.0 MICROINCHES SHANK
•
THREAD LENGTH: 0.650 INCHES NOMINAL STUD THREAD IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: STEPPED
•
THREAD PITCH DIAMETERS: +0.3452 TO 0.3467 INCHES STUD THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 7456 ASSN STD SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
SURFACE FINISH63.0 MICROINCHES SHANK
THREAD LENGTH0.650 INCHES NOMINAL STUD THREAD IN
THREAD LENGTH0.620 INCHES MINIMUM AND 0.704 INCHES MAXIMUM NUT THREAD IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSTEPPED
THREAD PITCH DIAMETERS+0.3452 TO 0.3467 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7456 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.860 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
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 1
389519P-006Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 389519P6?
389519P6 is a STUD,STEPPED.
What parts can replace 389519P6?
There is 1 known substitute for 389519P6: 389519P-006. Substitute compatibility should be verified for your specific system.
What is the NSN for 389519P6?
389519P6 is cataloged in the U.S. Government catalog under NSN 5307-00-820-9985. 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.