B493568 — STUD,RECESSED AND STEPPED

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

B493568: STUD,RECESSED AND STEPPED.

The STUD,RECESSED AND STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thread_class: 3A NUT THREAD A, thread_length: 0.280 INCHES NOMINAL NUT THREAD IN, overall_length: 1.580 INCHES NOMINAL IN, style_designator: RECESSED AND STEPPED, thread_direction: RIGHT-HAND NUT THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-164-4002, 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

B493568

NSN: 5307-01-164-4002
FSC: 5307 — Studs
CAGE: K0378 — ROLLS-ROYCE PLC DIV DEFENSE (EUROPE) (GBR)

SPECIFICATIONS

material	STEEL CORROSION RESISTING
thread_class	3A NUT THREAD A
thread_length	0.280 INCHES NOMINAL NUT THREAD IN
overall_length	1.580 INCHES NOMINAL IN
style_designator	RECESSED AND STEPPED
thread_direction	RIGHT-HAND NUT THREAD
nominal_thread_size	0.375 INCHES STUD THREAD IN
thread_quantity_per_inch	28 NUT THREAD
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF) STUD THREAD
length_of_recessed_portion_of_shank	0.300 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
diameter_of_recessed_portion_of_shank	0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
NSN	5307-01-164-4002

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD LENGTH: 0.650 INCHES NOMINAL STUD THREAD IN

•

STYLE DESIGNATOR: RECESSED AND STEPPED

•

DIAMETER OF RECESSED PORTION OF SHANK: 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN

•

THREAD DIRECTION: RIGHT-HAND STUD THREAD

•

NOMINAL THREAD SIZE: 0.375 INCHES STUD THREAD IN

TECHNICAL CHARACTERISTICS

THREAD LENGTH	0.650 INCHES NOMINAL STUD THREAD IN
THREAD LENGTH	0.280 INCHES NOMINAL NUT THREAD IN
STYLE DESIGNATOR	RECESSED AND STEPPED
OVERALL LENGTH	1.580 INCHES NOMINAL IN
DIAMETER OF RECESSED PORTION OF SHANK	0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
THREAD DIRECTION	RIGHT-HAND STUD THREAD
THREAD DIRECTION	RIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE	0.375 INCHES STUD THREAD IN
NOMINAL THREAD SIZE	0.250 INCHES NUT THREAD IN
LENGTH OF RECESSED PORTION OF SHANK	0.300 INCHES MINIMUM AND 0.330 INCHES MAXIMUM 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 1

99-955-8674Reference document

Same NSN cross-reference

Reference document — Informative reference only

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 B493568?

B493568 is a STUD,RECESSED AND STEPPED.

What parts can replace B493568?

There is 1 known substitute for B493568: 99-955-8674. Substitute compatibility should be verified for your specific system.

What is the NSN for B493568?

B493568 is cataloged in the U.S. Government catalog under NSN 5307-01-164-4002. This indicates validated use in U.S. government and defense supply chains.

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B493568 — STUD,RECESSED AND STEPPED

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