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Technical Data Sheet
PartsTable / COMPONENT / ESP-EM-58.121-PP
ESP-EM-58.121-PP ✓ 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 ESP-EM-58.121-PP is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-189-8385, 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
ESP-EM-58.121-PP
NSN: 5310-01-189-8385
FSC: 5310
CAGE: 338X5 — ND DEFENSE LLC (USA)
SPECIFICATIONS
Part NumberESP-EM-58.121-PP
NSN5310-01-189-8385
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ESP-EM-58.121-PP · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
P103Interchangeable
interchangeable cross-reference
interchangeable
347462Interchangeable
interchangeable cross-reference
interchangeable
BEBX1M1Interchangeable
interchangeable cross-reference
interchangeable
DX519080-2Interchangeable
interchangeable cross-reference
interchangeable
33847Interchangeable
interchangeable cross-reference
interchangeable
73019Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ESP-EM-58.121-PP?
ESP-EM-58.121-PP is a ESP-EM-58.121-PP.
What parts can replace ESP-EM-58.121-PP?
There are 25 known substitutes for ESP-EM-58.121-PP: P103, 347462, BEBX1M1 and 22 more. Substitute compatibility should be verified for your specific system.
Is ESP-EM-58.121-PP still available?
ESP-EM-58.121-PP 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