549-6744-002 — STUD,STEPPED

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

549-6744-002: STUD,STEPPED.

The STUD,STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, thread_class: 2A NUT THREAD A, thread_length: 0.188 INCHES MAXIMUM NUT THREAD IN, overall_length: 3.125 INCHES NOMINAL IN, shank_diameter: 0.157 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN, surface_finish: 16.0 MICROINCHES STUD THD. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-955-2900, 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

549-6744-002

NSN: 5307-00-955-2900
FSC: 5307 — Studs
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)

SPECIFICATIONS

material	STEEL COMP 303
thread_class	2A NUT THREAD A
thread_length	0.188 INCHES MAXIMUM NUT THREAD IN
overall_length	3.125 INCHES NOMINAL IN
shank_diameter	0.157 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
surface_finish	16.0 MICROINCHES STUD THD
special_features	UNTHREADED PORTION 0.296 IN. LG 0.125 IN. DIA ON STUD END IN
style_designator	STEPPED
thread_direction	RIGHT-HAND STUD THREAD
surface_treatment	PASSIVATE OVERALL
nominal_thread_size	0.164 INCHES NUT THREAD IN
thread_quantity_per_inch	20 STUD THREAD
NSN	5307-00-955-2900

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.157 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN

•

SURFACE FINISH: 16.0 MICROINCHES STUD THD

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.188 INCHES MAXIMUM NUT THREAD IN

•

STYLE DESIGNATOR: STEPPED

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.157 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
SURFACE FINISH	16.0 MICROINCHES STUD THD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.188 INCHES MAXIMUM NUT THREAD IN
THREAD LENGTH	1.891 INCHES NOMINAL STUD THREAD IN
STYLE DESIGNATOR	STEPPED
MATERIAL DOCUMENT AND CLASSIFICATION	ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH	3.125 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND STUD THREAD
THREAD DIRECTION	RIGHT-HAND NUT 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

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 549-6744-002?

549-6744-002 is a STUD,STEPPED.

What is the NSN for 549-6744-002?

549-6744-002 is cataloged in the U.S. Government catalog under NSN 5307-00-955-2900. This indicates validated use in U.S. government and defense supply chains.

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