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306374CLB — STUD,STEPPED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

306374CLB: STUD,STEPPED.

The STUD,STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 3A NUT THREAD A, thread_length: 0.690 INCHES NOMINAL NUT THREAD IN, overall_length: 1.800 INCHES NOMINAL IN, shank_diameter: 0.368 INCHES NOMINAL IN, surface_finish: 64.0 MICROINCHES STUD THD. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-838-2156, 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
306374CLB
NSN: 5307-00-838-2156
FSC: 5307 — Studs
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
materialSTEEL
thread_class3A NUT THREAD A
thread_length0.690 INCHES NOMINAL NUT THREAD IN
overall_length1.800 INCHES NOMINAL IN
shank_diameter0.368 INCHES NOMINAL IN
surface_finish64.0 MICROINCHES STUD THD
hardness_rating34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
special_featuresHOLE IN STUD END 0.330 IN. DIA 0.470 IN. DEEP WITH 0.109 TO 0.141 IN. SPHERICAL RADIUS IN
style_designatorSTEPPED
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentCADMIUM SHANK
nominal_thread_size0.562 INCHES STUD THREAD IN
NSN5307-00-838-2156
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 306374CLB · 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: 0.368 INCHES NOMINAL IN
•
SURFACE FINISH: 64.0 MICROINCHES STUD THD
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE NUT THD
•
THREAD LENGTH: 0.690 INCHES NOMINAL NUT THREAD IN
•
HARDNESS RATING: 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: STEPPED
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.368 INCHES NOMINAL IN
SURFACE FINISH64.0 MICROINCHES STUD THD
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
THREAD LENGTH0.690 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH0.720 INCHES NOMINAL STUD THREAD IN
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSTEPPED
THREAD PITCH DIAMETERS+0.5164 TO 0.5179 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7456 ASSN STD 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 306374CLB?
306374CLB is a STUD,STEPPED.
What is the NSN for 306374CLB?
306374CLB is cataloged in the U.S. Government catalog under NSN 5307-00-838-2156. This indicates validated use in U.S. government and defense supply chains.
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