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AL4002776 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

AL4002776: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 15.00 MILLIMETERS NOMINAL MM, nut_length: 19.00 MILLIMETERS NOMINAL MM, width_across_flats: 22.00 MILLIMETERS NOMINAL MM, nominal_thread_size: 0.50 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-678-5392, 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
AL4002776
NSN: 5310-01-678-5392
FSC: 5310 — Nuts and Washers
CAGE: 0F875 — GENERAL DYNAMICS ORDNANCE AND TACTICAL SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height15.00 MILLIMETERS NOMINAL MM
nut_length19.00 MILLIMETERS NOMINAL MM
width_across_flats22.00 MILLIMETERS NOMINAL MM
nominal_thread_size0.50 INCHES IN
bearing_surface_typeWASHER FACED
end_item_identification2355-01-627-5147
part_name_assigned_by_controlling_agencyNUT, NYLOC, 1/2-20 GRADE 8
NSN5310-01-678-5392
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AL4002776 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WIDTH ACROSS FLATS: 22.00 MILLIMETERS NOMINAL MM
•
NUT LENGTH: 19.00 MILLIMETERS NOMINAL MM
•
NOMINAL THREAD SIZE: 0.50 INCHES IN
•
NUT HEIGHT: 15.00 MILLIMETERS NOMINAL MM
•
NUT STYLE: HEXAGON
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS22.00 MILLIMETERS NOMINAL MM
NUT LENGTH19.00 MILLIMETERS NOMINAL MM
NOMINAL THREAD SIZE0.50 INCHES IN
NUT HEIGHT15.00 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT, NYLOC, 1/2-20 GRADE 8
NUT STYLEHEXAGON
END ITEM IDENTIFICATION2355-01-627-5147
MATERIALSTEEL OVERALL
BEARING SURFACE TYPEWASHER FACED
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AL4002776?
AL4002776 is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for AL4002776?
AL4002776 is cataloged in the U.S. Government catalog under NSN 5310-01-678-5392. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.