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AI-6821 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

AI-6821: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include special_features: FLUSH CUP, FEMALE CSK. COMPONENT PART OF STOCK CHASSIS, NSN: 1005-01-645-9181., end_item_identification: MK13 MOD7, NSN:1005-01-609-1039, MK13 MOD7-2, NSN:1005-01-609-1034, part_name_assigned_by_controlling_agency: FLSHCP:MK13MD7.

This part is cataloged in the U.S. Government catalog under NSN 5310-01-646-0573, 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
AI-6821
NSN: 5310-01-646-0573
FSC: 5310 — Nuts and Washers
CAGE: 1F9Q6 — ACCURACY INTERNATIONAL OF NORTH AMERICA, INC. (USA)
SPECIFICATIONS
special_featuresFLUSH CUP, FEMALE CSK. COMPONENT PART OF STOCK CHASSIS, NSN: 1005-01-645-9181.
end_item_identificationMK13 MOD7, NSN:1005-01-609-1039, MK13 MOD7-2, NSN:1005-01-609-1034
part_name_assigned_by_controlling_agencyFLSHCP:MK13MD7
NSN5310-01-646-0573
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AI-6821 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESFLUSH CUP, FEMALE CSK. COMPONENT PART OF STOCK CHASSIS, NSN: 1005-01-645-9181.
PART NAME ASSIGNED BY CONTROLLING AGENCYFLSHCP:MK13MD7
END ITEM IDENTIFICATIONMK13 MOD7, NSN:1005-01-609-1039, MK13 MOD7-2, NSN:1005-01-609-1034
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is AI-6821?
AI-6821 is a WASHER,SHOULDERED.
What is the NSN for AI-6821?
AI-6821 is cataloged in the U.S. Government catalog under NSN 5310-01-646-0573. This indicates validated use in U.S. government and defense supply chains.
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