881B-3MB0875 — STUD,LOCKED IN

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

881B-3MB0875: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include thread_class: 3A STUD THREAD A, thread_length: 0.276 INCHES NOMINAL STUD THREAD IN, locking_feature: RING, LOCK KEYED, shoulder_length: 0.037 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN, style_designator: LOCKED IN, thread_direction: RIGHT-HAND STUD THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-946-4255, 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

881B-3MB0875

NSN: 5307-00-946-4255
FSC: 5307 — Studs
CAGE: 01556 — STANLEY ENGINEERED FASTENING LLC (USA)

SPECIFICATIONS

thread_class	3A STUD THREAD A
thread_length	0.276 INCHES NOMINAL STUD THREAD IN
locking_feature	RING, LOCK KEYED
shoulder_length	0.037 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
style_designator	LOCKED IN
thread_direction	RIGHT-HAND STUD THREAD
surface_treatment	CADMIUM OVERALL
nominal_thread_size	0.250 INCHES STUD THREAD IN
thread_quantity_per_inch	20 STUD THREAD
thread_series_designator	UNIFIED NATIONAL COARSE (UNC) STUD THREAD
material_document_and_classification	MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agency	NAVY SPECIAL PROJECT
NSN	5307-00-946-4255

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

STYLE DESIGNATOR: LOCKED IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE

•

THREAD DIRECTION: RIGHT-HAND STUD THREAD

•

NOMINAL THREAD SIZE: 0.250 INCHES STUD THREAD IN

TECHNICAL CHARACTERISTICS

THREAD LENGTH	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM NUT THREAD IN
THREAD LENGTH	0.276 INCHES NOMINAL STUD THREAD IN
STYLE DESIGNATOR	LOCKED IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE
THREAD DIRECTION	RIGHT-HAND STUD THREAD
THREAD DIRECTION	RIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE	0.250 INCHES STUD THREAD IN
NOMINAL THREAD SIZE	0.190 INCHES NUT THREAD IN
LOCKING FEATURE	RING, LOCK KEYED
SURFACE TREATMENT	CADMIUM OVERALL

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

682-514-9011Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

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 881B-3MB0875?

881B-3MB0875 is a STUD,LOCKED IN.

What parts can replace 881B-3MB0875?

There is 1 known substitute for 881B-3MB0875: 682-514-9011. Substitute compatibility should be verified for your specific system.

What is the NSN for 881B-3MB0875?

881B-3MB0875 is cataloged in the U.S. Government catalog under NSN 5307-00-946-4255. This indicates validated use in U.S. government and defense supply chains.

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