MS51833A201-9 — STUD,LOCKED IN

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

MS51833A201-9: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660, thread_class: 3A NUT THREAD A, thread_length: 0.380 INCHES MINIMUM AND 0.440 INCHES MAXIMUM NUT THREAD IN, overall_length: 0.859 INCHES MINIMUM AND 0.889 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES NUT THD, locking_feature: RING, LOCK KEYED. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-216-1459, 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

MS51833A201-9

NSN: 5307-01-216-1459
NIINs: 012161459, 014638704
FSC: 5307 — Studs
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)

SPECIFICATIONS

material	IRON ALLOY 660
thread_class	3A NUT THREAD A
thread_length	0.380 INCHES MINIMUM AND 0.440 INCHES MAXIMUM NUT THREAD IN
overall_length	0.859 INCHES MINIMUM AND 0.889 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES NUT THD
locking_feature	RING, LOCK KEYED
style_designator	LOCKED IN
thread_direction	RIGHT-HAND STUD THREAD
surface_treatment	PASSIVATE OVERALL
nominal_thread_size	0.312 INCHES STUD THREAD IN
thread_quantity_per_inch	32 NUT THREAD
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD
NSN	5307-01-216-1459

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES STUD THD

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.380 INCHES MINIMUM AND 0.440 INCHES MAXIMUM NUT THREAD IN

•

STYLE DESIGNATOR: LOCKED IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES STUD THD
SURFACE FINISH	32.0 MICROINCHES NUT THD
SURFACE FINISH	63.0 MICROINCHES SHANK
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.380 INCHES MINIMUM AND 0.440 INCHES MAXIMUM NUT THREAD IN
THREAD LENGTH	0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM STUD THREAD IN
STYLE DESIGNATOR	LOCKED IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH	0.859 INCHES MINIMUM AND 0.889 INCHES MAXIMUM IN
THREAD DIRECTION	RIGHT-HAND STUD THREAD

SUBSTITUTES & CROSS-REFERENCES 1

KNS9031-3-9Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 MS51833A201-9?

MS51833A201-9 is a STUD,LOCKED IN.

What parts can replace MS51833A201-9?

There is 1 known substitute for MS51833A201-9: KNS9031-3-9. Substitute compatibility should be verified for your specific system.

What is the NSN for MS51833A201-9?

MS51833A201-9 is cataloged in the U.S. Government catalog under NSN 5307-01-216-1459. This indicates validated use in U.S. government and defense supply chains.

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