HS4471 — STUD,LOCKED IN

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HS4471: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140, thread_class: 3A NUT THREAD A, thread_length: 0.640 INCHES NOMINAL NUT THREAD IN, overall_length: 2.670 INCHES NOMINAL IN, style_designator: LOCKED IN, thread_direction: RIGHT-HAND STUD THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-581-8663, 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

HS4471

NSN: 5307-01-581-8663
FSC: 5307 — Studs
CAGE: 02731 — MCDONNELL DOUGLAS HELICOPTER CO INC (USA)

SPECIFICATIONS

material	STEEL COMP 4140
thread_class	3A NUT THREAD A
thread_length	0.640 INCHES NOMINAL NUT THREAD IN
overall_length	2.670 INCHES NOMINAL IN
style_designator	LOCKED IN
thread_direction	RIGHT-HAND STUD THREAD
surface_treatment	CADMIUM OVERALL
nominal_thread_size	0.346 INCHES NUT THREAD IN
supplementary_features	LIGHTENING HOLE 0.250 DIA X 0.50 DEEP-ALL INCHES
end_item_identification	1520-01-355-8250, HELICOPTER, ATTACK
thread_quantity_per_inch	13 STUD THREAD
thread_series_designator	UNIFIED NATIONAL COARSE (UNC) STUD THREAD
NSN	5307-01-581-8663

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TY II, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

DISTANCE FROM SERRATED PORTION TO NUT END: 1.920 INCHES NOMINAL IN

•

THREAD LENGTH: 0.640 INCHES NOMINAL NUT THREAD IN

•

SUPPLEMENTARY FEATURES: LIGHTENING HOLE 0.250 DIA X 0.50 DEEP-ALL INCHES

•

STYLE DESIGNATOR: LOCKED IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626, 4140 CHROME MOLY STEEL, HEAT TREAT 16.000-180.000 PSI MIL SPEC SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416, TY II, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DISTANCE FROM SERRATED PORTION TO NUT END	1.920 INCHES NOMINAL IN
THREAD LENGTH	0.640 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH	0.750 INCHES NOMINAL STUD THREAD IN
SUPPLEMENTARY FEATURES	LIGHTENING HOLE 0.250 DIA X 0.50 DEEP-ALL INCHES
STYLE DESIGNATOR	LOCKED IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626, 4140 CHROME MOLY STEEL, HEAT TREAT 16.000-180.000 PSI MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	2.670 INCHES NOMINAL IN
DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD	0.750 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND STUD 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

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is HS4471?

HS4471 is a STUD,LOCKED IN.

What is the NSN for HS4471?

HS4471 is cataloged in the U.S. Government catalog under NSN 5307-01-581-8663. This indicates validated use in U.S. government and defense supply chains.

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