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MP525 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MP525: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-00-685-1131, 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
MP525
NSN: 5315-00-685-1131
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 83777 — E-SYSTEMS INC MEMCOR DIV FLORIDA OPNS (USA)
SPECIFICATIONS
Part NumberMP525
NSN5315-00-685-1131
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MP525 · 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
SUBSTITUTES & CROSS-REFERENCES 6
107B8253P49Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
D14-10Reference document
Same NSN cross-reference
Reference document — Secondary reference
G79-49Reference document
Same NSN cross-reference
Reference document — Secondary reference
860646-49Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
C536-50Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
950111-52Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MP525?
MP525 is a PIN,STRAIGHT,HEADLESS.
What parts can replace MP525?
There are 6 known substitutes for MP525: 107B8253P49, D14-10, G79-49 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MP525?
MP525 is cataloged in the U.S. Government catalog under NSN 5315-00-685-1131. 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.