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5222581 — WASHER,FINISHING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5222581: WASHER,FINISHING.

The WASHER,FINISHING is a the manufacturer industrial component. Key specifications include hole_diameter: 1.510 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN, overall_height: 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN, outside_diameter: 2.279 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN, material_document_and_classification: QQ-B-691,CANCELED FED SPEC 1ST MATERIAL RESPONSE AND QQ-C-593-CANCELED FED SPEC 2ND MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-522-2581, 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
5222581
NSN: 5310-00-522-2581
FSC: 5310 — Nuts and Washers
CAGE: 19206 — ARMY, UNITED STATES DEPARTMENT OF THE DBA WATERVLIET ARSENAL DIV BUSINESS DEVELOPMENT (USA)
SPECIFICATIONS
hole_diameter1.510 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
overall_height0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
outside_diameter2.279 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN
material_document_and_classificationQQ-B-691,CANCELED FED SPEC 1ST MATERIAL RESPONSE AND QQ-C-593-CANCELED FED SPEC 2ND MATERIAL RESPONSE OVERALL
NSN5310-00-522-2581
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5222581 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-691,CANCELED FED SPEC 1ST MATERIAL RESPONSE AND QQ-C-593-CANCELED FED SPEC 2ND MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.279 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN
•
HOLE DIAMETER: 1.510 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-691,CANCELED FED SPEC 1ST MATERIAL RESPONSE AND QQ-C-593-CANCELED FED SPEC 2ND MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.279 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN
HOLE DIAMETER1.510 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5222581?
5222581 is a WASHER,FINISHING.
What is the NSN for 5222581?
5222581 is cataloged in the U.S. Government catalog under NSN 5310-00-522-2581. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.