PartsTable
Technical Data Sheet
KC1826 ✓ 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 radius: 1.625 INCHES NOMINAL IN, overall_width: 0.5000 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN, overall_height: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN, overall_length: 2.365 INCHES MINIMUM AND 2.385 INCHES MAXIMUM IN, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL, round_end_length: 1.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-281-7652, 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
KC1826
NSN: 5315-00-281-7652
FSC: 5315
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
radius1.625 INCHES NOMINAL IN
materialSTEEL COMP 1040 OR STEEL COMP 1045 OR STEEL COMP 1050 OR STEEL COMP 1137 OR STEEL COMP 1141 OR STEEL COMP 1144 OR STEEL COMP 1151 OVERALL
overall_width0.5000 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN
overall_height0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
overall_length2.365 INCHES MINIMUM AND 2.385 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
round_end_length1.000 INCHES NOMINAL IN
style_designatorPLAIN
starting_edge_shapeSTRAIGHT
NSN5315-00-281-7652
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: KC1826 · 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
ROUND END LENGTH: 1.000 INCHES NOMINAL IN
STARTING EDGE SHAPE: STRAIGHT
STYLE DESIGNATOR: PLAIN
MATERIAL: STEEL COMP 1040 OR STEEL COMP 1045 OR STEEL COMP 1050 OR STEEL COMP 1137 OR STEEL COMP 1141 OR STEEL COMP 1144 OR STEEL COMP 1151 OVERALL
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.5000 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN
OVERALL HEIGHT0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
ROUND END LENGTH1.000 INCHES NOMINAL IN
OVERALL LENGTH2.365 INCHES MINIMUM AND 2.385 INCHES MAXIMUM IN
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORPLAIN
MATERIALSTEEL COMP 1040 OR STEEL COMP 1045 OR STEEL COMP 1050 OR STEEL COMP 1137 OR STEEL COMP 1141 OR STEEL COMP 1144 OR STEEL COMP 1151 OVERALL
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
RADIUS1.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
A-A-410Interchangeable
interchangeable cross-reference
interchangeable
23209Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-296 TY1SEBInterchangeable
interchangeable cross-reference
interchangeable
C742554-1Interchangeable
interchangeable cross-reference
interchangeable
30600-1Interchangeable
interchangeable cross-reference
interchangeable
22571N PIECE 6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KC1826?
KC1826 is a KEY,MACHINE.
What parts can replace KC1826?
There are 11 known substitutes for KC1826: A-A-410, 23209, GGG-D-296 TY1SEB and 8 more. Substitute compatibility should be verified for your specific system.
Is KC1826 still available?
KC1826 is currently cancelled.
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