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T451 ✓ 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 BEARING,ROLLER,THRUST is a the manufacturer industrial component. Key specifications include color: BLACK, width: 0.500 INCHES IN, length: 20.000 YARDS, material: PLASTIC POLYAMIDE NYLON LOCATION NOT OTHERWISE SPECIFIED, specific_use: RECORD TYPING, bore_diameter: 4.5000 INCHES MINIMUM AND 4.5001 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-271-6757, 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
T451
NSN: 5315-00-271-6757
FSC: 5315
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
colorBLACK
width0.500 INCHES IN
length20.000 YARDS
materialPLASTIC POLYAMIDE NYLON LOCATION NOT OTHERWISE SPECIFIED
specific_useRECORD TYPING
bore_diameter4.5000 INCHES MINIMUM AND 4.5001 INCHES MAXIMUM IN
overall_width0.375 INCHES NOMINAL IN
alignment_typeRIGID
overall_height2.1100 INCHES MINIMUM AND 2.1400 INCHES MAXIMUM IN
overall_length1.594 INCHES NOMINAL IN
surface_finishGROUND
special_featuresTHICKNESS 0.004 IN. IN
NSN5315-00-271-6757
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: T451 · 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: STRAIGHT
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.594 INCHES NOMINAL IN
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORPLAIN
OVERALL HEIGHT0.375 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
J-2-4-12Interchangeable
interchangeable cross-reference
interchangeable
T451Interchangeable
interchangeable cross-reference
interchangeable
115657001PC39Interchangeable
interchangeable cross-reference
interchangeable
30416Interchangeable
interchangeable cross-reference
interchangeable
000-8750Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T451?
T451 is a BEARING,ROLLER,THRUST.
What parts can replace T451?
There are 5 known substitutes for T451: J-2-4-12, T451, 115657001PC39 and 2 more. Substitute compatibility should be verified for your specific system.
Is T451 still available?
T451 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