5144B-4SDP625 — STUD,LOCKED IN

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

5144B-4SDP625: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416, thread_class: 3A NUT THREAD A, thread_length: 0.330 INCHES MINIMUM AND 0.335 INCHES MAXIMUM STUD THREAD IN, overall_length: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM, locking_feature: RING, LOCK KEYED. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-342-1681, 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

5144B-4SDP625

NSN: 5307-01-342-1681
FSC: 5307 — Studs
CAGE: 75237 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV MICRODOT PRODUCTS (USA)

SPECIFICATIONS

material	STEEL COMP 416
thread_class	3A NUT THREAD A
thread_length	0.330 INCHES MINIMUM AND 0.335 INCHES MAXIMUM STUD THREAD IN
overall_length	0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
hardness_rating	35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
locking_feature	RING, LOCK KEYED
special_features	T.O. 3HA2-7-4,FIG 27,INDEX 20
style_designator	LOCKED IN
thread_direction	RIGHT-HAND NUT THREAD
surface_treatment	CADMIUM OVERALL
nominal_thread_size	0.313 INCHES STUD THREAD IN
end_item_identification	YE01 SHA/SNY
NSN	5307-01-342-1681

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TYPE II CLASS 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

DISTANCE FROM SERRATED PORTION TO NUT END: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM NUT THREAD IN

•

HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM

•

STYLE DESIGNATOR: LOCKED IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AISI 416 ASSN STD SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TYPE II CLASS 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
DISTANCE FROM SERRATED PORTION TO NUT END	0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
THREAD LENGTH	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM NUT THREAD IN
THREAD LENGTH	0.330 INCHES MINIMUM AND 0.335 INCHES MAXIMUM STUD THREAD IN
HARDNESS RATING	35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR	LOCKED IN
MATERIAL DOCUMENT AND CLASSIFICATION	AISI 416 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH	0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD	0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM 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

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 5144B-4SDP625?

5144B-4SDP625 is a STUD,LOCKED IN.

What is the NSN for 5144B-4SDP625?

5144B-4SDP625 is cataloged in the U.S. Government catalog under NSN 5307-01-342-1681. This indicates validated use in U.S. government and defense supply chains.

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