PartsTable
Technical Data Sheet
593-7556811 PC 112 ✓ 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,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL EXCEPT INSERT, nut_style: HEXAGON, nut_height: 0.219 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-513-8198, 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
593-7556811 PC 112
NSN: 5310-01-513-8198
FSC: 5310
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL EXCEPT INSERT
nut_styleHEXAGON
nut_height0.219 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats0.438 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES IN
end_item_identificationWASTE PROCESS; PWP MOD 1 CMU ASSEMBLY
thread_quantity_per_inch20
NSN5310-01-513-8198
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 593-7556811 PC 112 · 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
MATERIAL: STEEL COMP 302 OVERALL EXCEPT INSERT
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
NUT HEIGHT: 0.219 INCHES NOMINAL IN
NOMINAL THREAD SIZE: 0.250 INCHES IN
WIDTH ACROSS FLATS: 0.438 INCHES NOMINAL IN
NUT STYLE: HEXAGON
THREAD QUANTITY PER INCH: 20
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 302 OVERALL EXCEPT INSERT
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NUT HEIGHT0.219 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.250 INCHES IN
WIDTH ACROSS FLATS0.438 INCHES NOMINAL IN
END ITEM IDENTIFICATIONWASTE PROCESS; PWP MOD 1 CMU ASSEMBLY
NUT STYLEHEXAGON
THREAD QUANTITY PER INCH20
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
273.768 580Interchangeable
interchangeable cross-reference
interchangeable
14500030-002Interchangeable
interchangeable cross-reference
interchangeable
81349Interchangeable
interchangeable cross-reference
interchangeable
62948-97Interchangeable
interchangeable cross-reference
interchangeable
400-612-107Interchangeable
interchangeable cross-reference
interchangeable
159624Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 593-7556811 PC 112?
593-7556811 PC 112 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 593-7556811 PC 112?
There are 22 known substitutes for 593-7556811 PC 112: 273.768 580, 14500030-002, 81349 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 593-7556811 PC 112?
593-7556811 PC 112 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-513-8198. This indicates validated use in U.S. government and defense supply chains.
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