BN637-M46 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

BN637-M46: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL NUT, nut_style: HEXAGON, nut_height: 5.0 MILLIMETERS NOMINAL MM, temp_rating: -70.0 CELSIUS MINIMUM AND 120.0 CELSIUS MAXIMUM DEGC, locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT, special_features: SPECIFIC MATL IS STAINLESS STEEL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-500-7647, 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

BN637-M46

NSN: 5310-01-500-7647
FSC: 5310 — Nuts and Washers
CAGE: 0RW44 — BOSSARD INTL INC (USA)

SPECIFICATIONS

material	STEEL NUT
nut_style	HEXAGON
nut_height	5.0 MILLIMETERS NOMINAL MM
temp_rating	-70.0 CELSIUS MINIMUM AND 120.0 CELSIUS MAXIMUM DEGC
thread_series	M
locking_feature	PREVAILING TORQUE WITH NONMETALLIC INSERT
special_features	SPECIFIC MATL IS STAINLESS STEEL
thread_direction	RIGHT-HAND
width_across_flats	7.0 MILLIMETERS NOMINAL MM
nominal_thread_size	4.0 MILLIMETERS MM
bearing_surface_type	CHAMFERED
thread_tolerance_class	4H6H INTERNAL
NSN	5310-01-500-7647

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 7.0 MILLIMETERS NOMINAL MM

•

THREAD TOLERANCE CLASS: 4H6H INTERNAL

•

THREAD SERIES: M

•

THREAD PITCH IN MILLIMETERS: 0.70

•

TEMP RATING: -70.0 CELSIUS MINIMUM AND 120.0 CELSIUS MAXIMUM DEGC

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 4.0 MILLIMETERS MM

•

LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	7.0 MILLIMETERS NOMINAL MM
THREAD TOLERANCE CLASS	4H6H INTERNAL
THREAD SERIES	M
THREAD PITCH IN MILLIMETERS	0.70
TEMP RATING	-70.0 CELSIUS MINIMUM AND 120.0 CELSIUS MAXIMUM DEGC
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	4.0 MILLIMETERS MM
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT	5.0 MILLIMETERS NOMINAL MM
SPECIAL FEATURES	SPECIFIC MATL IS STAINLESS STEEL

OTHER ITEMS IN FSC 5310 — Nuts and Washers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540

SUBSTITUTES & CROSS-REFERENCES 2

DIN985-ISO 10511 M4X0.7Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

1242385Same 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 BN637-M46?

BN637-M46 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace BN637-M46?

There are 2 known substitutes for BN637-M46: DIN985-ISO 10511 M4X0.7, 1242385. Substitute compatibility should be verified for your specific system.

What is the NSN for BN637-M46?

BN637-M46 is cataloged in the U.S. Government catalog under NSN 5310-01-500-7647. This indicates validated use in U.S. government and defense supply chains.

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BN637-M46 — NUT,SELF-LOCKING,HEXAGON

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