6531-81-200-4101 — STUD,SHOULDERED

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

6531-81-200-4101: STUD,SHOULDERED.

The STUD,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130, thread_class: 3A NUT THREAD A, thread_length: 0.716 INCHES NOMINAL NUT THREAD IN, overall_length: 1.640 INCHES NOMINAL IN, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM, shoulder_length: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-138-2715, 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

6531-81-200-4101

NSN: 5307-01-138-2715
FSC: 5307 — Studs
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)

SPECIFICATIONS

material	STEEL COMP 4130
thread_class	3A NUT THREAD A
thread_length	0.716 INCHES NOMINAL NUT THREAD IN
overall_length	1.640 INCHES NOMINAL IN
hardness_rating	26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
shoulder_length	0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
style_designator	SHOULDERED
thread_direction	RIGHT-HAND STUD THREAD
surface_treatment	CADMIUM OVERALL
nominal_thread_size	0.312 INCHES STUD THREAD IN
nut_end_shank_length	0.180 INCHES NOMINAL IN
distance_across_flats	0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
NSN	5307-01-138-2715

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

COTTER PIN HOLE DIAMETER: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN

•

NUT END SHANK DIAMETER: 0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.540 INCHES NOMINAL STUD THREAD IN

•

HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM

•

STYLE DESIGNATOR: SHOULDERED

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
COTTER PIN HOLE DIAMETER	0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN
NUT END SHANK DIAMETER	0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
THREAD LENGTH	0.540 INCHES NOMINAL STUD THREAD IN
THREAD LENGTH	0.716 INCHES NOMINAL NUT THREAD IN
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR	SHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	1.640 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND STUD THREAD

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 6531-81-200-4101?

6531-81-200-4101 is a STUD,SHOULDERED.

What is the NSN for 6531-81-200-4101?

6531-81-200-4101 is cataloged in the U.S. Government catalog under NSN 5307-01-138-2715. This indicates validated use in U.S. government and defense supply chains.

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6531-81-200-4101 — STUD,SHOULDERED

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