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Technical Data Sheet
PartsTable / COMPONENT / D9578-28A14
D9578-28A14 ✓ 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 PIN,COTTER is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-839-5822, 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
D9578-28A14
NSN: 5315-00-839-5822
FSC: 5315
CAGE: 91340 — MET-PRO CORPORATION (USA)
SPECIFICATIONS
Part NumberD9578-28A14
NSN5315-00-839-5822
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: D9578-28A14 · 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 34
0903772Interchangeable
interchangeable cross-reference
interchangeable
77661Interchangeable
interchangeable cross-reference
interchangeable
2022Interchangeable
interchangeable cross-reference
interchangeable
1-8X1Interchangeable
interchangeable cross-reference
interchangeable
AMS3198TYPE1-8X1Interchangeable
interchangeable cross-reference
interchangeable
15021Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D9578-28A14?
D9578-28A14 is a PIN,COTTER.
What parts can replace D9578-28A14?
There are 34 known substitutes for D9578-28A14: 0903772, 77661, 2022 and 31 more. Substitute compatibility should be verified for your specific system.
Is D9578-28A14 still available?
D9578-28A14 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