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53AX9 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

53AX9: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: HEXAGON, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND, nominal_thread_size: 0.190 INCHES IN, end_item_identification: 2320-01-529-2251. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-556-3450, 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
53AX9
NSN: 5310-01-556-3450
FSC: 5310 — Nuts and Washers
CAGE: 89619 — MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleHEXAGON
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
nominal_thread_size0.190 INCHES IN
end_item_identification2320-01-529-2251
thread_quantity_per_inch32
NSN5310-01-556-3450
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 53AX9 · 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 SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
NUT STYLE: HEXAGON
•
THREAD QUANTITY PER INCH: 32
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
NUT STYLEHEXAGON
END ITEM IDENTIFICATION2320-01-529-2251
THREAD QUANTITY PER INCH32
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
25097843Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10000406Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 53AX9?
53AX9 is a NUT,PLAIN,HEXAGON.
What parts can replace 53AX9?
There are 2 known substitutes for 53AX9: 25097843, 10000406. Substitute compatibility should be verified for your specific system.
What is the NSN for 53AX9?
53AX9 is cataloged in the U.S. Government catalog under NSN 5310-01-556-3450. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.