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615438 — STUD,SHOULDERED AND STEPPED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

615438: STUD,SHOULDERED AND STEPPED.

The STUD,SHOULDERED AND STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416, thread_class: 3A NUT THREAD A, thread_length: 0.440 INCHES NOMINAL STUD THREAD IN, overall_length: 0.940 INCHES NOMINAL IN, shoulder_length: 0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN, style_designator: SHOULDERED AND STEPPED. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-271-5551, 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
615438
NSN: 5307-00-271-5551
FSC: 5307 — Studs
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 416
thread_class3A NUT THREAD A
thread_length0.440 INCHES NOMINAL STUD THREAD IN
overall_length0.940 INCHES NOMINAL IN
shoulder_length0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
style_designatorSHOULDERED AND STEPPED
thread_directionRIGHT-HAND STUD THREAD
shoulder_diameter0.420 INCHES NOMINAL IN
nominal_thread_size0.312 INCHES STUD THREAD IN
thread_pitch_diameters+0.2766 TO 0.2776 INCHES STUD THREAD IN
thread_quantity_per_inch18 STUD THREAD
thread_series_designatorUNS STUD THREAD
NSN5307-00-271-5551
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 615438 · 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
•
THREAD LENGTH: 0.440 INCHES NOMINAL STUD THREAD IN
•
STYLE DESIGNATOR: SHOULDERED AND STEPPED
•
THREAD PITCH DIAMETERS: +0.2766 TO 0.2776 INCHES STUD THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-853,CL 6,TY A MIL SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.440 INCHES NOMINAL STUD THREAD IN
THREAD LENGTH0.340 INCHES MAXIMUM NUT THREAD IN
STYLE DESIGNATORSHOULDERED AND STEPPED
THREAD PITCH DIAMETERS+0.2766 TO 0.2776 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-853,CL 6,TY A MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.940 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.312 INCHES STUD THREAD IN
SHOULDER DIAMETER0.420 INCHES NOMINAL 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: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 615438?
615438 is a STUD,SHOULDERED AND STEPPED.
What is the NSN for 615438?
615438 is cataloged in the U.S. Government catalog under NSN 5307-00-271-5551. This indicates validated use in U.S. government and defense supply chains.
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