PartsTable
Technical Data Sheet
Download PDF

10403-03218 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

10403-03218: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include surface_treatment: PASSIVATE AND ZINC AND ALUMINUM ALLOY OVERALL, end_item_identification: 2355-01-627-5147, part_name_assigned_by_controlling_agency: WASHER, FLAT, M6 FENDER (D-BLACK) DIN9021B W/DMB/5830 MAG. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-688-9852, 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
10403-03218
NSN: 5310-01-688-9852
FSC: 5310 — Nuts and Washers
CAGE: 36QZ0 — FASTENAL COMPANY DIV OXAL (USA)
SPECIFICATIONS
surface_treatmentPASSIVATE AND ZINC AND ALUMINUM ALLOY OVERALL
end_item_identification2355-01-627-5147
part_name_assigned_by_controlling_agencyWASHER, FLAT, M6 FENDER (D-BLACK) DIN9021B W/DMB/5830 MAG
NSN5310-01-688-9852
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10403-03218 · 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
KEY FEATURES
•
SURFACE TREATMENT: PASSIVATE AND ZINC AND ALUMINUM ALLOY OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENTPASSIVATE AND ZINC AND ALUMINUM ALLOY OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, FLAT, M6 FENDER (D-BLACK) DIN9021B W/DMB/5830 MAG
END ITEM IDENTIFICATION2355-01-627-5147
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
AL4000330Same 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
Ready to buy 10403-03218?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 10403-03218?
10403-03218 is a WASHER,FLAT.
What parts can replace 10403-03218?
There is 1 known substitute for 10403-03218: AL4000330. Substitute compatibility should be verified for your specific system.
What is the NSN for 10403-03218?
10403-03218 is cataloged in the U.S. Government catalog under NSN 5310-01-688-9852. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 10403-03218

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.