15520018 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

15520018: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, nut_style: HEXAGON, nut_height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC), locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-079-8603, 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

15520018

NSN: 5310-01-079-8603
FSC: 5310 — Nuts and Washers
CAGE: F6151 — SAFRAN (FRA)

SPECIFICATIONS

material	STEEL COMP 303 OVERALL
nut_style	HEXAGON
nut_height	0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
thread_class	3B
thread_series	UNIFIED NATIONAL COARSE (UNC)
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
width_across_flats	0.181 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
nominal_thread_size	0.112 INCHES IN
bearing_surface_type	WASHER FACED
thread_quantity_per_inch	40
NSN	5310-01-079-8603

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.181 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.112 INCHES IN

•

LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN

•

NUT HEIGHT: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN

•

NUT STYLE: HEXAGON

•

THREAD CLASS: 3B

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.181 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.112 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
NUT HEIGHT	0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
NUT STYLE	HEXAGON
THREAD CLASS	3B
THREAD QUANTITY PER INCH	40
MATERIAL	STEEL COMP 303 OVERALL

SUBSTITUTES & CROSS-REFERENCES 2

79LH1660-40Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

698-028-003Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 15520018?

15520018 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace 15520018?

There are 2 known substitutes for 15520018: 79LH1660-40, 698-028-003. Substitute compatibility should be verified for your specific system.

What is the NSN for 15520018?

15520018 is cataloged in the U.S. Government catalog under NSN 5310-01-079-8603. This indicates validated use in U.S. government and defense supply chains.

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15520018 — NUT,SELF-LOCKING,HEXAGON

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