878-B-4MB-22 — STUD,STEPPED

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

878-B-4MB-22: STUD,STEPPED.

The STUD,STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 3A STUD THREAD A, thread_length: 0.625 INCHES MINIMUM NUT THREAD IN, overall_length: 1.188 INCHES NOMINAL IN, shank_diameter: 0.250 INCHES NOMINAL IN, style_designator: STEPPED. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-691-4100, 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

878-B-4MB-22

NSN: 5307-00-691-4100
FSC: 5307 — Studs
CAGE: 26344 — NEW HAVEN MFG CORP (USA)

SPECIFICATIONS

material	STEEL
thread_class	3A STUD THREAD A
thread_length	0.625 INCHES MINIMUM NUT THREAD IN
overall_length	1.188 INCHES NOMINAL IN
shank_diameter	0.250 INCHES NOMINAL IN
style_designator	STEPPED
thread_direction	RIGHT-HAND NUT THREAD
surface_treatment	CADMIUM OVERALL
nominal_thread_size	0.375 INCHES STUD THREAD IN
thread_quantity_per_inch	28 NUT THREAD
thread_series_designator	UNIFIED NATIONAL COARSE (UNC) STUD THREAD
NSN	5307-00-691-4100

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.250 INCHES NOMINAL IN

•

THREAD LENGTH: 0.625 INCHES MINIMUM NUT THREAD IN

•

STYLE DESIGNATOR: STEPPED

•

THREAD DIRECTION: RIGHT-HAND STUD THREAD

•

NOMINAL THREAD SIZE: 0.375 INCHES STUD THREAD IN

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.250 INCHES NOMINAL IN
THREAD LENGTH	0.625 INCHES MINIMUM NUT THREAD IN
THREAD LENGTH	0.380 INCHES MAXIMUM STUD THREAD IN
STYLE DESIGNATOR	STEPPED
OVERALL LENGTH	1.188 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND STUD THREAD
THREAD DIRECTION	RIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE	0.375 INCHES STUD THREAD IN
NOMINAL THREAD SIZE	0.250 INCHES NUT THREAD IN
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

99-2120Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 878-B-4MB-22?

878-B-4MB-22 is a STUD,STEPPED.

What parts can replace 878-B-4MB-22?

There is 1 known substitute for 878-B-4MB-22: 99-2120. Substitute compatibility should be verified for your specific system.

What is the NSN for 878-B-4MB-22?

878-B-4MB-22 is cataloged in the U.S. Government catalog under NSN 5307-00-691-4100. This indicates validated use in U.S. government and defense supply chains.

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