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198531-A — NUT ASSEMBLY,RETAINER PLATE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

198531-A: NUT ASSEMBLY,RETAINER PLATE.

The NUT ASSEMBLY,RETAINER PLATE is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-366-0453, 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
198531-A
NSN: 5310-01-366-0453
NIINs: 013660453, 014949357
FSC: 5310 — Nuts and Washers
CAGE: 30086 — L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC. DBA SPD ELECTRICAL SYSTEMS, INC. (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
NSN5310-01-366-0453
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 198531-A · 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 2
198531-1-AReference document
Same NSN cross-reference
Reference document — Secondary reference
198531A00Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 198531-A?
198531-A is a NUT ASSEMBLY,RETAINER PLATE.
What parts can replace 198531-A?
There are 2 known substitutes for 198531-A: 198531-1-A, 198531A00. Substitute compatibility should be verified for your specific system.
What is the NSN for 198531-A?
198531-A is cataloged in the U.S. Government catalog under NSN 5310-01-366-0453. This indicates validated use in U.S. government and defense supply chains.
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