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537851 — STUD,SHOULDERED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

537851: STUD,SHOULDERED.

The STUD,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 3120H OR STEEL COMP 8622H, thread_class: 2A STUD THREAD A, thread_length: 1.156 INCHES NOMINAL NUT THREAD IN, hardness_rating: 20.0 ROCKWELL C MINIMUM AND 29.0 ROCKWELL C MAXIMUM, shoulder_length: 0.187 INCHES NOMINAL IN, style_designator: SHOULDERED. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-930-7082, 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
537851
NSN: 5307-00-930-7082
FSC: 5307 — Studs
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL COMP 3120H OR STEEL COMP 8622H
thread_class2A STUD THREAD A
thread_length1.156 INCHES NOMINAL NUT THREAD IN
hardness_rating20.0 ROCKWELL C MINIMUM AND 29.0 ROCKWELL C MAXIMUM
shoulder_length0.187 INCHES NOMINAL IN
style_designatorSHOULDERED
thread_directionRIGHT-HAND NUT THREAD
features_providedCASEHARDENED
shoulder_diameter1.125 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
nominal_thread_size0.750 INCHES NUT THREAD IN
nut_end_shank_length0.187 INCHES NOMINAL IN
distance_across_flats0.938 INCHES NOMINAL IN
NSN5307-00-930-7082
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 537851 · 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
•
NUT END SHANK DIAMETER: 0.783 INCHES MINIMUM AND 0.786 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.937 INCHES NOMINAL STUD THREAD IN
•
HARDNESS RATING: 20.0 ROCKWELL C MINIMUM AND 29.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES
•
FEATURES PROVIDED: CASEHARDENED
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
NUT END SHANK DIAMETER0.783 INCHES MINIMUM AND 0.786 INCHES MAXIMUM IN
THREAD LENGTH0.937 INCHES NOMINAL STUD THREAD IN
THREAD LENGTH1.156 INCHES NOMINAL NUT THREAD IN
HARDNESS RATING20.0 ROCKWELL C MINIMUM AND 29.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES
FEATURES PROVIDEDCASEHARDENED
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.750 INCHES STUD THREAD 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 537851?
537851 is a STUD,SHOULDERED.
What is the NSN for 537851?
537851 is cataloged in the U.S. Government catalog under NSN 5307-00-930-7082. This indicates validated use in U.S. government and defense supply chains.
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