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Technical Data Sheet
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H12858 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

H12858: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-01-197-1730, 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
H12858
NSN: 5315-01-197-1730
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 62228 — MEGGITT DEFENSE SYSTEMS, INC. DBA MEGGITT DEFENSE SYSTEMS INC (USA)
SPECIFICATIONS
Part NumberH12858
NSN5315-01-197-1730
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: H12858 · 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 1
12858Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H12858?
H12858 is a KEY,MACHINE.
What parts can replace H12858?
There is 1 known substitute for H12858: 12858. Substitute compatibility should be verified for your specific system.
What is the NSN for H12858?
H12858 is cataloged in the U.S. Government catalog under NSN 5315-01-197-1730. This indicates validated use in U.S. government and defense supply chains.
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