521428S — STUD,PLAIN

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

521428S: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8640, thread_class: 3A NUT THREAD A, thread_length: 0.560 INCHES MINIMUM AND 0.640 INCHES MAXIMUM NUT THREAD IN, overall_length: 1.500 INCHES NOMINAL IN, hardness_rating: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM, thread_direction: RIGHT-HAND STUD THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-206-8489, 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

521428S

NSN: 5307-00-206-8489
FSC: 5307 — Studs
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)

SPECIFICATIONS

material	STEEL COMP 8640
thread_class	3A NUT THREAD A
thread_length	0.560 INCHES MINIMUM AND 0.640 INCHES MAXIMUM NUT THREAD IN
overall_length	1.500 INCHES NOMINAL IN
hardness_rating	28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
thread_direction	RIGHT-HAND STUD THREAD
surface_treatment	CADMIUM OVERALL
nominal_thread_size	0.312 INCHES STUD THREAD IN
thread_quantity_per_inch	18 STUD THREAD
thread_series_designator	UNIFIED NATIONAL COARSE (UNC) STUD THREAD
material_document_and_classification	AMS A322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS A331 ASSN STD SINGLE MATERIAL RESPONSE
NSN	5307-00-206-8489

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD LENGTH: 0.560 INCHES MINIMUM AND 0.640 INCHES MAXIMUM NUT THREAD IN

•

HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS A322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS A331 ASSN STD SINGLE MATERIAL RESPONSE

•

THREAD DIRECTION: RIGHT-HAND STUD THREAD

•

NOMINAL THREAD SIZE: 0.312 INCHES NUT THREAD IN

TECHNICAL CHARACTERISTICS

THREAD LENGTH	0.560 INCHES MINIMUM AND 0.640 INCHES MAXIMUM NUT THREAD IN
THREAD LENGTH	0.680 INCHES MINIMUM AND 0.800 INCHES MAXIMUM STUD THREAD IN
HARDNESS RATING	28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS A322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS A331 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH	1.500 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND STUD THREAD
THREAD DIRECTION	RIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE	0.312 INCHES NUT THREAD IN
NOMINAL THREAD SIZE	0.312 INCHES STUD THREAD IN
SURFACE TREATMENT	CADMIUM OVERALL

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 521428S?

521428S is a STUD,PLAIN.

What is the NSN for 521428S?

521428S is cataloged in the U.S. Government catalog under NSN 5307-00-206-8489. This indicates validated use in U.S. government and defense supply chains.

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521428S — STUD,PLAIN

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