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440-8843859 — PACKING NUT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

440-8843859: PACKING NUT.

The PACKING NUT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-01-722-7078, 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
440-8843859
NSN: 5315-01-722-7078
NIINs: 017227078, 017227124, 017227138
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number440-8843859
NSN5315-01-722-7078
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 440-8843859 · 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 3
R4342510-11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8843859/SHEET 1 FIND PG 17 IT 11Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LSA003958-11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 440-8843859?
440-8843859 is a PACKING NUT.
What parts can replace 440-8843859?
There are 3 known substitutes for 440-8843859: R4342510-11, 8843859/SHEET 1 FIND PG 17 IT 11, LSA003958-11. Substitute compatibility should be verified for your specific system.
What is the NSN for 440-8843859?
440-8843859 is cataloged in the U.S. Government catalog under NSN 5315-01-722-7078. This indicates validated use in U.S. government and defense supply chains.
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