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SPS78889-1216 — NUT,SELF-LOCKING,CASTELLATED,OCT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

SPS78889-1216: NUT,SELF-LOCKING,CASTELLATED,OCT.

NUT,SELF-LOCKING,CASTELLATED,OCT. This part is cataloged in the U.S. Government catalog under NSN 5310-01-179-4370, 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
SPS78889-1216
NSN: 5310-01-179-4370
NIINs: 011794370, 014631817
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
Part NumberSPS78889-1216
NSN5310-01-179-4370
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SPS78889-1216 · 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
7-211160053Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SPS78889-1216?
SPS78889-1216 is a NUT,SELF-LOCKING,CASTELLATED,OCT.
What parts can replace SPS78889-1216?
There is 1 known substitute for SPS78889-1216: 7-211160053. Substitute compatibility should be verified for your specific system.
What is the NSN for SPS78889-1216?
SPS78889-1216 is cataloged in the U.S. Government catalog under NSN 5310-01-179-4370. This indicates validated use in U.S. government and defense supply chains.
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