BN671-M4 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

BN671-M4: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, thickness: 0.8 MILLIMETERS NOMINAL MM, hole_diameter: 4.3 MILLIMETERS NOMINAL MM, hardness_rating: 140.0 VICKERS NOMINAL, overall_diameter: 9.0 MILLIMETERS NOMINAL MM, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-673-4790, 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

BN671-M4

NSN: 5310-01-673-4790
FSC: 5310 — Nuts and Washers
CAGE: 1CJ86 — BOSSARD INTL INC (USA)

SPECIFICATIONS

material	STEEL COMP 316 OVERALL
thickness	0.8 MILLIMETERS NOMINAL MM
hole_diameter	4.3 MILLIMETERS NOMINAL MM
hardness_rating	140.0 VICKERS NOMINAL
overall_diameter	9.0 MILLIMETERS NOMINAL MM
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
part_name_assigned_by_controlling_agency	FLAT WASHER
NSN	5310-01-673-4790

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 9.0 MILLIMETERS NOMINAL MM

•

HARDNESS RATING: 140.0 VICKERS NOMINAL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL COMP 316 OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

•

HOLE DIAMETER: 4.3 MILLIMETERS NOMINAL MM

•

THICKNESS: 0.8 MILLIMETERS NOMINAL MM

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	9.0 MILLIMETERS NOMINAL MM
HARDNESS RATING	140.0 VICKERS NOMINAL
PERIPHERAL SHAPE STYLE	ROUND
PART NAME ASSIGNED BY CONTROLLING AGENCY	FLAT WASHER
MATERIAL	STEEL COMP 316 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	4.3 MILLIMETERS NOMINAL MM
THICKNESS	0.8 MILLIMETERS NOMINAL MM

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

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is BN671-M4?

BN671-M4 is a WASHER,FLAT.

What is the NSN for BN671-M4?

BN671-M4 is cataloged in the U.S. Government catalog under NSN 5310-01-673-4790. This indicates validated use in U.S. government and defense supply chains.

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BN671-M4 — WASHER,FLAT

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