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ST1283P0015 — STUD,STEPPED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST1283P0015: STUD,STEPPED.

The STUD,STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 3A NUT THREAD A, thread_length: 0.625 INCHES NOMINAL STUD THREAD IN, overall_length: 2.875 INCHES NOMINAL IN, shank_diameter: 0.250 INCHES NOMINAL IN, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-106-9622, 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
ST1283P0015
NSN: 5307-01-106-9622
FSC: 5307 — Studs
CAGE: 63005 — ROLLS-ROYCE CORPORATION (USA)
SPECIFICATIONS
materialSTEEL
thread_class3A NUT THREAD A
thread_length0.625 INCHES NOMINAL STUD THREAD IN
overall_length2.875 INCHES NOMINAL IN
shank_diameter0.250 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
style_designatorSTEPPED
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentCADMIUM SHANK
nominal_thread_size0.375 INCHES STUD THREAD IN
thread_pitch_diameters+0.3369 TO 0.3385 INCHES STUD THREAD IN
cotter_pin_hole_diameter0.070 INCHES NOMINAL FIRST HOLE IN
NSN5307-01-106-9622
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST1283P0015 · 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: 0.250 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE NUT THD
•
COTTER PIN HOLE DIAMETER: 0.070 INCHES NOMINAL FIRST HOLE IN
•
THREAD LENGTH: 0.531 INCHES NOMINAL NUT THREAD IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: STEPPED
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.250 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE NUT THD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE SHANK
COTTER PIN HOLE DIAMETER0.070 INCHES NOMINAL FIRST HOLE IN
THREAD LENGTH0.531 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH0.625 INCHES NOMINAL STUD THREAD IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSTEPPED
THREAD PITCH DIAMETERS+0.3369 TO 0.3385 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONEMS85010,FSCM 24617 MFR REF SINGLE MATERIAL RESPONSE
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST1283P0015?
ST1283P0015 is a STUD,STEPPED.
What is the NSN for ST1283P0015?
ST1283P0015 is cataloged in the U.S. Government catalog under NSN 5307-01-106-9622. 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.