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PartsTable / COMPONENT / 20759P10
20759P10 ✓ 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 KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_width: 0.125 INCHES NOMINAL IN, overall_height: 0.150 INCHES NOMINAL IN, overall_length: 1.062 INCHES NOMINAL IN, hardness_rating: 90.0 ROCKWELL C MINIMUM AND 102.0 ROCKWELL B MAXIMUM OVERALL, style_designator: PLAIN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-479-2754, 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
20759P10
NSN: 5315-00-479-2754
FSC: 5315
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.125 INCHES NOMINAL IN
overall_height0.150 INCHES NOMINAL IN
overall_length1.062 INCHES NOMINAL IN
hardness_rating90.0 ROCKWELL C MINIMUM AND 102.0 ROCKWELL B MAXIMUM OVERALL
style_designatorPLAIN
key_chamfer_angle30.0 DEGREES NOMINAL
key_chamfer_length0.062 INCHES NOMINAL IN
starting_edge_shapeCHAMFERED
NSN5315-00-479-2754
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 20759P10 · 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
•
STARTING EDGE SHAPE: CHAMFERED
•
HARDNESS RATING: 90.0 ROCKWELL C MINIMUM AND 102.0 ROCKWELL B MAXIMUM OVERALL
•
KEY CHAMFER LENGTH: 0.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
KEY CHAMFER ANGLE: 30.0 DEGREES NOMINAL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STARTING EDGE SHAPECHAMFERED
HARDNESS RATING90.0 ROCKWELL C MINIMUM AND 102.0 ROCKWELL B MAXIMUM OVERALL
KEY CHAMFER LENGTH0.062 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
KEY CHAMFER ANGLE30.0 DEGREES NOMINAL
OVERALL WIDTH0.125 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
OVERALL LENGTH1.062 INCHES NOMINAL IN
OVERALL HEIGHT0.150 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
20759Interchangeable
interchangeable cross-reference
interchangeable
128C943H01Interchangeable
interchangeable cross-reference
interchangeable
4L330Interchangeable
interchangeable cross-reference
interchangeable
FA33Interchangeable
interchangeable cross-reference
interchangeable
20759P010Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20759P10?
20759P10 is a KEY,MACHINE.
What parts can replace 20759P10?
There are 5 known substitutes for 20759P10: 20759, 128C943H01, 4L330 and 2 more. Substitute compatibility should be verified for your specific system.
Is 20759P10 still available?
20759P10 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