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7768119 ✓ 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 WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.156 INCHES NOMINAL IN, outside_diameter: 1.750 INCHES NOMINAL IN, special_features: PEENING KEY PRE-BENT 90 DEG 0.188 IN. LG IN, style_designator: KEY, material_thickness: 0.065 INCHES NOMINAL IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-638-5085, 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
7768119
NSN: 5310-00-638-5085
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.156 INCHES NOMINAL IN
outside_diameter1.750 INCHES NOMINAL IN
special_featuresPEENING KEY PRE-BENT 90 DEG 0.188 IN. LG IN
style_designatorKEY
material_thickness0.065 INCHES NOMINAL IN
peening_key_length0.125 INCHES NOMINAL IN
external_key_quantity7
external_straight_key_width0.250 INCHES MAXIMUM IN
external_straight_key_length0.250 INCHES NOMINAL IN
overall_distance_including_keys2.250 INCHES NOMINAL IN
NSN5310-00-638-5085
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7768119 · 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
•
EXTERNAL STRAIGHT KEY WIDTH: 0.250 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
EXTERNAL STRAIGHT KEY LENGTH: 0.250 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.065 INCHES NOMINAL IN
•
EXTERNAL KEY QUANTITY: 7
•
MATERIAL: STEEL OVERALL
•
OVERALL DISTANCE INCLUDING KEYS: 2.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
EXTERNAL STRAIGHT KEY WIDTH0.250 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.750 INCHES NOMINAL IN
EXTERNAL STRAIGHT KEY LENGTH0.250 INCHES NOMINAL IN
MATERIAL THICKNESS0.065 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY7
SPECIAL FEATURESPEENING KEY PRE-BENT 90 DEG 0.188 IN. LG IN
MATERIALSTEEL OVERALL
OVERALL DISTANCE INCLUDING KEYS2.250 INCHES NOMINAL IN
PEENING KEY LENGTH0.125 INCHES NOMINAL IN
STYLE DESIGNATORKEY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
P6MInterchangeable
interchangeable cross-reference
interchangeable
PE66Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7768119?
7768119 is a WASHER,KEY.
What parts can replace 7768119?
There are 2 known substitutes for 7768119: P6M, PE66. Substitute compatibility should be verified for your specific system.
Is 7768119 still available?
7768119 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026