BB-20000-3 — STUD,SHOULDERED AND STEPPED

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

BB-20000-3: STUD,SHOULDERED AND STEPPED.

The STUD,SHOULDERED AND STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thread_class: 2A STUD THREAD A, thread_length: 0.187 INCHES NOMINAL STUD THREAD IN, overall_length: 0.496 INCHES NOMINAL IN, shoulder_length: 0.055 INCHES NOMINAL IN, style_designator: SHOULDERED AND STEPPED. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-107-8027, 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

BB-20000-3

NSN: 5307-01-107-8027
FSC: 5307 — Studs
CAGE: 36534 — STEGG LIMITED (CAN)

SPECIFICATIONS

material	STEEL CORROSION RESISTING
thread_class	2A STUD THREAD A
thread_length	0.187 INCHES NOMINAL STUD THREAD IN
overall_length	0.496 INCHES NOMINAL IN
shoulder_length	0.055 INCHES NOMINAL IN
style_designator	SHOULDERED AND STEPPED
thread_direction	RIGHT-HAND STUD THREAD
surface_treatment	PASSIVATE OVERALL
nominal_thread_size	0.138 INCHES STUD THREAD IN
distance_across_flats	0.187 INCHES NOMINAL IN
thread_quantity_per_inch	32 STUD THREAD
thread_series_designator	UNIFIED NATIONAL COARSE (UNC) STUD THREAD
NSN	5307-01-107-8027

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.187 INCHES NOMINAL STUD THREAD IN

•

STYLE DESIGNATOR: SHOULDERED AND STEPPED

•

THREAD DIRECTION: RIGHT-HAND STUD THREAD

•

NOMINAL THREAD SIZE: 0.138 INCHES STUD THREAD IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.187 INCHES NOMINAL STUD THREAD IN
THREAD LENGTH	0.254 INCHES NOMINAL NUT THREAD IN
STYLE DESIGNATOR	SHOULDERED AND STEPPED
OVERALL LENGTH	0.496 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND STUD THREAD
THREAD DIRECTION	RIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE	0.138 INCHES STUD THREAD IN
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A STUD THREAD A

SUBSTITUTES & CROSS-REFERENCES 5

88619-1Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

716897-3Reference document

Same NSN cross-reference

Reference document — Secondary reference

893895-1Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

015-3860-030Reference document

Same NSN cross-reference

Reference document — Secondary reference

88619-2Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 BB-20000-3?

BB-20000-3 is a STUD,SHOULDERED AND STEPPED.

What parts can replace BB-20000-3?

There are 5 known substitutes for BB-20000-3: 88619-1, 716897-3, 893895-1 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for BB-20000-3?

BB-20000-3 is cataloged in the U.S. Government catalog under NSN 5307-01-107-8027. This indicates validated use in U.S. government and defense supply chains.

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