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PartsTable / COMPONENT / 576D5
576D5 ✓ 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 NUT,PLAIN,SLOTTED,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SLOTTED, HEXAGON, nut_height: 0.625 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNEF, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-753-5081, 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
576D5
NSN: 5310-00-753-5081
FSC: 5310
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSLOTTED, HEXAGON
nut_height0.625 INCHES NOMINAL IN
thread_class3B
thread_seriesUNEF
thread_directionRIGHT-HAND
countersink_angle90.0 DEGREES NOMINAL NUT
width_across_flats1.812 INCHES NOMINAL IN
nominal_thread_size1.250 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch18
NSN5310-00-753-5081
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 576D5 · 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
•
THREAD QUANTITY PER INCH: 18
•
NOMINAL THREAD SIZE: 1.250 INCHES IN
•
THREAD SERIES: UNEF
•
NUT HEIGHT: 0.625 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NUT STYLE: SLOTTED, HEXAGON
•
COUNTERSINK ANGLE: 90.0 DEGREES NOMINAL NUT
•
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH18
NOMINAL THREAD SIZE1.250 INCHES IN
THREAD SERIESUNEF
NUT HEIGHT0.625 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NUT STYLESLOTTED, HEXAGON
COUNTERSINK ANGLE90.0 DEGREES NOMINAL NUT
THREAD CLASS3B
BEARING SURFACE TYPECHAMFERED
WIDTH ACROSS FLATS1.812 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
73034Interchangeable
interchangeable cross-reference
interchangeable
E104Interchangeable
interchangeable cross-reference
interchangeable
993H0032PC32Interchangeable
interchangeable cross-reference
interchangeable
730BB-3/4Interchangeable
interchangeable cross-reference
interchangeable
5110-00-243-1645Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-836Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 576D5?
576D5 is a NUT,PLAIN,SLOTTED,HEXAGON.
What parts can replace 576D5?
There are 24 known substitutes for 576D5: 73034, E104, 993H0032PC32 and 21 more. Substitute compatibility should be verified for your specific system.
Is 576D5 still available?
576D5 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