N157187-8 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

N157187-8: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL COMP 4137 OR STEEL COMP 4140 OVERALL, nut_style: HEXAGON, lubrication: DRY FILM LUBRICANT, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.308 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-008-8664, 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

N157187-8

NSN: 5310-00-008-8664
FSC: 5310 — Nuts and Washers
CAGE: K4358 — SAFRAN ELECTRICAL & POWER UK LIMITED (GBR)

SPECIFICATIONS

material	STEEL COMP 4137 OR STEEL COMP 4140 OVERALL
nut_style	HEXAGON
lubrication	DRY FILM LUBRICANT
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.308 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
width_across_flats	0.398 INCHES NOMINAL IN
nominal_thread_size	0.375 INCHES IN
washer_outside_diameter	0.644 INCHES NOMINAL IN
thread_quantity_per_inch	24
NSN	5310-00-008-8664

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: DRY FILM LUBRICANT

•

WASHER OUTSIDE DIAMETER: 0.644 INCHES NOMINAL IN

•

WIDTH ACROSS FLATS: 0.398 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6300 ASSN STD ALL MATERIAL RESPONSES OR MS6414 FED SPEC SINGLE MATERIAL RESPONSE OR MS6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

LUBRICATION	DRY FILM LUBRICANT
OVERALL HEIGHT	0.308 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.644 INCHES NOMINAL IN
WIDTH ACROSS FLATS	0.398 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6300 ASSN STD ALL MATERIAL RESPONSES OR MS6414 FED SPEC SINGLE MATERIAL RESPONSE OR MS6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.375 INCHES IN
SURFACE TREATMENT	CADMIUM OVERALL

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

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

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FREQUENTLY ASKED QUESTIONS

What is N157187-8?

N157187-8 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What is the NSN for N157187-8?

N157187-8 is cataloged in the U.S. Government catalog under NSN 5310-00-008-8664. This indicates validated use in U.S. government and defense supply chains.

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N157187-8 — NUT,SELF-LOCKING,EXTENDED WASHER

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