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91102A765 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

91102A765: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include hole_diameter: 0.450 INCHES NOMINAL IN, hardness_rating: 38.0 ROCKWELL C NOMINAL, outside_diameter: 0.776 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: ZINC OVERALL, material_thickness: 0.109 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-533-5686, 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
91102A765
NSN: 5310-01-533-5686
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1062 OR STEEL COMP 1064 OR STEEL COMP 1065 OVERALL
hole_diameter0.450 INCHES NOMINAL IN
hardness_rating38.0 ROCKWELL C NOMINAL
outside_diameter0.776 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentZINC OVERALL
material_thickness0.109 INCHES NOMINAL IN
end_item_identification3835-01-511-7335; MRAP BUFFALO MK2A2
part_name_assigned_by_controlling_agencyLOCKWASHER
NSN5310-01-533-5686
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 91102A765 · 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
•
HARDNESS RATING: 38.0 ROCKWELL C NOMINAL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 0.776 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.109 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1062 OR STEEL COMP 1064 OR STEEL COMP 1065 OVERALL
TECHNICAL CHARACTERISTICS
HARDNESS RATING38.0 ROCKWELL C NOMINAL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.776 INCHES NOMINAL IN
MATERIAL THICKNESS0.109 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYLOCKWASHER
END ITEM IDENTIFICATION3835-01-511-7335; MRAP BUFFALO MK2A2
MATERIALSTEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1062 OR STEEL COMP 1064 OR STEEL COMP 1065 OVERALL
HOLE DIAMETER0.450 INCHES NOMINAL IN
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 91102A765?
91102A765 is a WASHER,LOCK.
What is the NSN for 91102A765?
91102A765 is cataloged in the U.S. Government catalog under NSN 5310-01-533-5686. 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.