77019-9 — NUT,SELF-LOCKING,DOUBLE HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

77019-9: NUT,SELF-LOCKING,DOUBLE HEXAGON.

NUT,SELF-LOCKING,DOUBLE HEXAGON. Key specifications include material: NICKEL ALLOY 718 OVERALL, nut_style: DOUBLE HEXAGON, nut_height: 0.337 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-132-4397, 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

77019-9

NSN: 5310-01-132-4397
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	NICKEL ALLOY 718 OVERALL
nut_style	DOUBLE HEXAGON
nut_height	0.337 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
lubrication	DRY FILM LUBRICANT
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
surface_treatment	COPPER AND NICKEL THREADS
width_across_flats	0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
nominal_thread_size	0.562 INCHES IN
bearing_surface_type	CHAMFERED
NSN	5310-01-132-4397

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: DRY FILM LUBRICANT

•

WIDTH ACROSS FLATS: 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.562 INCHES IN

•

LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN

•

NUT HEIGHT: 0.337 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

LUBRICATION	DRY FILM LUBRICANT
WIDTH ACROSS FLATS	0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.562 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
NUT HEIGHT	0.337 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
SURFACE TREATMENT	COPPER AND NICKEL THREADS
NUT STYLE	DOUBLE HEXAGON

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 5

H49817-9Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LH11434-9Reference document

Same NSN cross-reference

Reference document — Secondary reference

10109645Reference document

Same NSN cross-reference

Reference document — Informative reference only

BH436-9Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

SLN201-9MSame 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 77019-9?

77019-9 is a NUT,SELF-LOCKING,DOUBLE HEXAGON.

What parts can replace 77019-9?

There are 5 known substitutes for 77019-9: H49817-9, LH11434-9, 10109645 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 77019-9?

77019-9 is cataloged in the U.S. Government catalog under NSN 5310-01-132-4397. This indicates validated use in U.S. government and defense supply chains.

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77019-9 — NUT,SELF-LOCKING,DOUBLE HEXAGON

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