SFJ121-17SA20A — STUD,LOCKED IN

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

SFJ121-17SA20A: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include thread_class: 3A NUT THREAD A, thread_length: 0.605 INCHES MINIMUM AND 0.635 INCHES MAXIMUM NUT THREAD IN, overall_length: 2.282 INCHES MINIMUM AND 2.342 INCHES MAXIMUM IN, locking_feature: RING, LOCK SERRATED, style_designator: LOCKED IN, serration_quantity: 24. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-123-6504, 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

SFJ121-17SA20A

NSN: 5307-01-123-6504
FSC: 5307 — Studs
CAGE: 83324 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV ROSAN PRODUCTS (USA)

SPECIFICATIONS

thread_class	3A NUT THREAD A
thread_length	0.605 INCHES MINIMUM AND 0.635 INCHES MAXIMUM NUT THREAD IN
overall_length	2.282 INCHES MINIMUM AND 2.342 INCHES MAXIMUM IN
locking_feature	RING, LOCK SERRATED
style_designator	LOCKED IN
serration_quantity	24
distance_from_serrated_portion_to_nut_end	1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN
distance_from_serrated_portion_to_stud_end	1.047 INCHES MINIMUM AND 1.077 INCHES MAXIMUM IN
distance_from_serrated_portion_to_end_of_stud_thread	0.512 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
NSN	5307-01-123-6504

COMPONENT DIAGRAM

KEY FEATURES

•

DISTANCE FROM SERRATED PORTION TO NUT END: 1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.505 INCHES MINIMUM AND 0.535 INCHES MAXIMUM STUD THREAD IN

•

STYLE DESIGNATOR: LOCKED IN

•

DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD: 0.512 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN

•

DISTANCE FROM SERRATED PORTION TO STUD END: 1.047 INCHES MINIMUM AND 1.077 INCHES MAXIMUM IN

•

LOCKING FEATURE: RING, LOCK SERRATED

TECHNICAL CHARACTERISTICS

DISTANCE FROM SERRATED PORTION TO NUT END	1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN
THREAD LENGTH	0.505 INCHES MINIMUM AND 0.535 INCHES MAXIMUM STUD THREAD IN
THREAD LENGTH	0.605 INCHES MINIMUM AND 0.635 INCHES MAXIMUM NUT THREAD IN
STYLE DESIGNATOR	LOCKED IN
OVERALL LENGTH	2.282 INCHES MINIMUM AND 2.342 INCHES MAXIMUM IN
DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD	0.512 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
DISTANCE FROM SERRATED PORTION TO STUD END	1.047 INCHES MINIMUM AND 1.077 INCHES MAXIMUM IN
LOCKING FEATURE	RING, LOCK SERRATED
SERRATION QUANTITY	24
THREAD CLASS	3A NUT THREAD A

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: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is SFJ121-17SA20A?

SFJ121-17SA20A is a STUD,LOCKED IN.

What is the NSN for SFJ121-17SA20A?

SFJ121-17SA20A is cataloged in the U.S. Government catalog under NSN 5307-01-123-6504. This indicates validated use in U.S. government and defense supply chains.

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