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Technical Data Sheet
PartsTable / COMPONENT / 86777-01
86777-01 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, nut_style: HEXAGON, nut_height: 0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN, thread_series: UNS, thread_direction: RIGHT-HAND, countersink_angle: 119.5 DEGREES MINIMUM AND 120.5 DEGREES MAXIMUM NUT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-637-0550, 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
86777-01
NSN: 5310-00-637-0550
FSC: 5310
CAGE: 35351 — GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
nut_styleHEXAGON
nut_height0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN
thread_seriesUNS
thread_directionRIGHT-HAND
countersink_angle119.5 DEGREES MINIMUM AND 120.5 DEGREES MAXIMUM NUT
width_across_flats0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
nominal_thread_size0.500 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_pitch_diameters+0.4899 TO 0.4931 INCHES IN
thread_quantity_per_inch64
material_document_and_classificationQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-637-0550
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 86777-01 · 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
•
MATERIAL: STEEL COMP 416 OVERALL
•
THREAD SERIES: UNS
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
NUT HEIGHT: 0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
•
THREAD PITCH DIAMETERS: +0.4899 TO 0.4931 INCHES IN
•
THREAD QUANTITY PER INCH: 64
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 416 OVERALL
THREAD SERIESUNS
NOMINAL THREAD SIZE0.500 INCHES IN
NUT HEIGHT0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
THREAD PITCH DIAMETERS+0.4899 TO 0.4931 INCHES IN
THREAD QUANTITY PER INCH64
NUT STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
928088-4Interchangeable
interchangeable cross-reference
interchangeable
82482Interchangeable
interchangeable cross-reference
interchangeable
WL-A68Interchangeable
interchangeable cross-reference
interchangeable
86777Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 86777-01?
86777-01 is a NUT,PLAIN,HEXAGON.
What parts can replace 86777-01?
There are 4 known substitutes for 86777-01: 928088-4, 82482, WL-A68 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 86777-01?
86777-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-637-0550. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026