BM17019-9-21 — BOLT,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

BM17019-9-21: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, grip_length: 1.313 INCHES NOMINAL IN, head_height: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.5610 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-379-9652, 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

BM17019-9-21

NSN: 5306-01-379-9652
FSC: 5306 — Bolts
CAGE: 17419 — DEUTSCH CO THE (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
head_style	DOUBLE HEXAGON EXTENDED WASHER
grip_length	1.313 INCHES NOMINAL IN
head_height	0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.5610 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM IN
thread_length	0.725 INCHES NOMINAL IN
fastener_length	2.022 INCHES MINIMUM AND 2.069 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
width_between_flats	0.877 INCHES NOMINAL IN
nominal_thread_diameter	0.563 INCHES IN
extended_washer_diameter	0.851 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
NSN	5306-01-379-9652

COMPONENT DIAGRAM

KEY FEATURES

•

EXTENDED WASHER THICKNESS: 0.016 INCHES NOMINAL IN

•

HEAD HEIGHT: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN

•

FASTENER LENGTH: 2.022 INCHES MINIMUM AND 2.069 INCHES MAXIMUM IN

•

EXTENDED WASHER DIAMETER: 0.851 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.725 INCHES NOMINAL IN

•

NOMINAL THREAD DIAMETER: 0.563 INCHES IN

•

HEAD STYLE: DOUBLE HEXAGON EXTENDED WASHER

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

EXTENDED WASHER THICKNESS	0.016 INCHES NOMINAL IN
HEAD HEIGHT	0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
FASTENER LENGTH	2.022 INCHES MINIMUM AND 2.069 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER	0.851 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
THREAD LENGTH	0.725 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER	0.563 INCHES IN
HEAD STYLE	DOUBLE HEXAGON EXTENDED WASHER
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	1.313 INCHES NOMINAL IN
WIDTH BETWEEN FLATS	0.877 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 2

ST3M453-9-21Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

11825-9-21Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 BM17019-9-21?

BM17019-9-21 is a BOLT,CLOSE TOLERANCE.

What parts can replace BM17019-9-21?

There are 2 known substitutes for BM17019-9-21: ST3M453-9-21, 11825-9-21. Substitute compatibility should be verified for your specific system.

What is the NSN for BM17019-9-21?

BM17019-9-21 is cataloged in the U.S. Government catalog under NSN 5306-01-379-9652. This indicates validated use in U.S. government and defense supply chains.

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