BH187-10 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

BH187-10: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: SLOTTED HEXAGON, lubrication: DRY FILM LUBRICANT, temp_rating: 850.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-214-4723, 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

BH187-10

NSN: 5310-01-214-4723
FSC: 5310 — Nuts and Washers
CAGE: 27238 — BRISTOL INDUSTRIES, LLC (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
nut_style	SLOTTED HEXAGON
lubrication	DRY FILM LUBRICANT
temp_rating	850.0 FAHRENHEIT MAXIMUM DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.313 INCHES NOMINAL IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.055 INCHES NOMINAL IN
surface_treatment	PASSIVATE NUT
width_across_flats	0.741 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
NSN	5310-01-214-4723

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: DRY FILM LUBRICANT

•

WASHER OUTSIDE DIAMETER: 0.910 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.741 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN

•

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

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

TEMP RATING: 850.0 FAHRENHEIT MAXIMUM DEGF

•

WASHER THICKNESS: 0.055 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

LUBRICATION	DRY FILM LUBRICANT
OVERALL HEIGHT	0.313 INCHES NOMINAL IN
WASHER OUTSIDE DIAMETER	0.910 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.741 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING	850.0 FAHRENHEIT MAXIMUM DEGF
WASHER THICKNESS	0.055 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND

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 3

SMTE9925-10Reference document

Same NSN cross-reference

Reference document — Secondary reference

73783CM-1018Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

03A187-10LReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is BH187-10?

BH187-10 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace BH187-10?

There are 3 known substitutes for BH187-10: SMTE9925-10, 73783CM-1018, 03A187-10L. Substitute compatibility should be verified for your specific system.

What is the NSN for BH187-10?

BH187-10 is cataloged in the U.S. Government catalog under NSN 5310-01-214-4723. This indicates validated use in U.S. government and defense supply chains.

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BH187-10 — NUT,SELF-LOCKING,EXTENDED WASHER

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