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ST1283P006 — STUD,RECESSED AND STEPPED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST1283P006: STUD,RECESSED AND STEPPED.

The STUD,RECESSED AND STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8735, thread_class: 3A NUT THREAD A, thread_length: 0.532 INCHES MINIMUM NUT THREAD IN, overall_length: 2.875 INCHES NOMINAL IN, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM, special_features: MAGNETIC INSPECITION. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-271-2331, 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
ST1283P006
NSN: 5307-00-271-2331
FSC: 5307 — Studs
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialSTEEL COMP 8735
thread_class3A NUT THREAD A
thread_length0.532 INCHES MINIMUM NUT THREAD IN
overall_length2.875 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
special_featuresMAGNETIC INSPECITION
style_designatorRECESSED AND STEPPED
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.312 INCHES NUT THREAD IN
thread_pitch_diameters+0.3414 TO 0.3430 INCHES STUD THREAD IN
cotter_pin_hole_diameter0.074 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN
NSN5307-00-271-2331
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST1283P006 · 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
•
COTTER PIN HOLE DIAMETER: 0.074 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN
•
THREAD LENGTH: 0.625 INCHES MINIMUM STUD THREAD IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: RECESSED AND STEPPED
•
THREAD PITCH DIAMETERS: +0.3414 TO 0.3430 INCHES STUD THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6320 ASSN STD SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
COTTER PIN HOLE DIAMETER0.074 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN
THREAD LENGTH0.625 INCHES MINIMUM STUD THREAD IN
THREAD LENGTH0.532 INCHES MINIMUM NUT THREAD IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORRECESSED AND STEPPED
THREAD PITCH DIAMETERS+0.3414 TO 0.3430 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6320 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH2.875 INCHES NOMINAL IN
DIAMETER OF RECESSED PORTION OF SHANK0.250 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
SUBSTITUTES & CROSS-REFERENCES 2
ST1283P6Reference document
Same NSN cross-reference
Reference document — Secondary reference
ST1283Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST1283P006?
ST1283P006 is a STUD,RECESSED AND STEPPED.
What parts can replace ST1283P006?
There are 2 known substitutes for ST1283P006: ST1283P6, ST1283. Substitute compatibility should be verified for your specific system.
What is the NSN for ST1283P006?
ST1283P006 is cataloged in the U.S. Government catalog under NSN 5307-00-271-2331. 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.