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411597R1 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

411597R1: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include end_item_identification: MRAP - UNIQUE NSN - MAXXPRO CAT I, part_name_assigned_by_controlling_agency: NUT, 5/16 PHC P/T LOCK TYPE 5. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-556-6547, 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
411597R1
NSN: 5310-01-556-6547
FSC: 5310 — Nuts and Washers
CAGE: 338X5 — ND DEFENSE LLC (USA)
SPECIFICATIONS
end_item_identificationMRAP - UNIQUE NSN - MAXXPRO CAT I
part_name_assigned_by_controlling_agencyNUT, 5/16 PHC P/T LOCK TYPE 5
NSN5310-01-556-6547
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 411597R1 · 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT, 5/16 PHC P/T LOCK TYPE 5
END ITEM IDENTIFICATIONMRAP - UNIQUE NSN - MAXXPRO CAT I
SUBSTITUTES & CROSS-REFERENCES 1
25077R1Reference 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 411597R1?
411597R1 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 411597R1?
There is 1 known substitute for 411597R1: 25077R1. Substitute compatibility should be verified for your specific system.
What is the NSN for 411597R1?
411597R1 is cataloged in the U.S. Government catalog under NSN 5310-01-556-6547. 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.