BN 637 M8 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

BN 637 M8: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 NUT, nut_style: HEXAGON, nut_height: 8.0 MILLIMETERS NOMINAL MM, locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT AND NYLON INSERT, special_features: DIN 985 STANDARD WITHDRAWN UNI 7474. ARTICLE NUMBER: 1242415., width_across_flats: 13.0 MILLIMETERS NOMINAL MM.

This part is cataloged in the U.S. Government catalog under NSN 5310-01-697-7156, 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

BN 637 M8

NSN: 5310-01-697-7156
FSC: 5310 — Nuts and Washers
CAGE: 650F9 — BOSSARD NORTH AMERICA, INC. (USA)

SPECIFICATIONS

material	STEEL COMP 304 NUT
nut_style	HEXAGON
nut_height	8.0 MILLIMETERS NOMINAL MM
locking_feature	PREVAILING TORQUE WITH NONMETALLIC INSERT AND NYLON INSERT
special_features	DIN 985 STANDARD WITHDRAWN UNI 7474. ARTICLE NUMBER: 1242415.
width_across_flats	13.0 MILLIMETERS NOMINAL MM
bearing_surface_type	CHAMFERED OR FLAT
hole_nominal_thread_diameter	8.0 MILLIMETERS MM
part_name_assigned_by_controlling_agency	PREVAIL TORQ TYPE HEX LOCK NUTS THIN TYPE, POLYAMIDE INS
NSN	5310-01-697-7156

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 13.0 MILLIMETERS NOMINAL MM

•

LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT AND NYLON INSERT

•

NUT HEIGHT: 8.0 MILLIMETERS NOMINAL MM

•

NUT STYLE: HEXAGON

•

HOLE NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS MM

•

MATERIAL: STEEL COMP 304 NUT

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	13.0 MILLIMETERS NOMINAL MM
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT AND NYLON INSERT
NUT HEIGHT	8.0 MILLIMETERS NOMINAL MM
SPECIAL FEATURES	DIN 985 STANDARD WITHDRAWN UNI 7474. ARTICLE NUMBER: 1242415.
PART NAME ASSIGNED BY CONTROLLING AGENCY	PREVAIL TORQ TYPE HEX LOCK NUTS THIN TYPE, POLYAMIDE INS
NUT STYLE	HEXAGON
HOLE NOMINAL THREAD DIAMETER	8.0 MILLIMETERS MM
MATERIAL	STEEL COMP 304 NUT
BEARING SURFACE TYPE	CHAMFERED OR FLAT

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 1

189590908Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is BN 637 M8?

BN 637 M8 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace BN 637 M8?

There is 1 known substitute for BN 637 M8: 189590908. Substitute compatibility should be verified for your specific system.

What is the NSN for BN 637 M8?

BN 637 M8 is cataloged in the U.S. Government catalog under NSN 5310-01-697-7156. This indicates validated use in U.S. government and defense supply chains.

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BN 637 M8 — NUT,SELF-LOCKING,HEXAGON

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