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10225270 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

10225270: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 OR STEEL COMP 303SE OR STEEL COMP 303 OVERALL, hole_diameter: 0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN, outside_diameter: 1.125 INCHES NOMINAL IN, style_designator: KEY, surface_treatment: ANODIZE OVERALL, material_thickness: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-177-7732, 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
10225270
NSN: 5310-00-177-7732
FSC: 5310 — Nuts and Washers
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075 OR STEEL COMP 303SE OR STEEL COMP 303 OVERALL
hole_diameter0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
outside_diameter1.125 INCHES NOMINAL IN
style_designatorKEY
surface_treatmentANODIZE OVERALL
material_thickness0.062 INCHES NOMINAL IN
internal_prebent_key_width0.120 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
internal_prebent_key_length0.158 INCHES NOMINAL IN
surface_treatment_document_and_classificationMIL-A-8625,TYPE 111 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
distance_from_centerline_to_inside_of_prebent_key0.031 INCHES NOMINAL IN
NSN5310-00-177-7732
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10225270 · 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 DOCUMENT AND CLASSIFICATION: MIL-A-8625,TYPE 111 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY: 0.031 INCHES NOMINAL IN
•
INTERNAL PREBENT KEY WIDTH: 0.120 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: KEY
•
OUTSIDE DIAMETER: 1.125 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
•
INTERNAL PREBENT KEY LENGTH: 0.158 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 111 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY0.031 INCHES NOMINAL IN
INTERNAL PREBENT KEY WIDTH0.120 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
STYLE DESIGNATORKEY
OUTSIDE DIAMETER1.125 INCHES NOMINAL IN
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
INTERNAL PREBENT KEY LENGTH0.158 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE OVERALL
MATERIALALUMINUM ALLOY 7075 OR STEEL COMP 303SE OR STEEL COMP 303 OVERALL
HOLE DIAMETER0.463 INCHES MINIMUM AND 0.473 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 2
10079752Reference document
Same NSN cross-reference
Reference document — Informative reference only
5310001777732Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 10225270?
10225270 is a WASHER,KEY.
What parts can replace 10225270?
There are 2 known substitutes for 10225270: 10079752, 5310001777732. Substitute compatibility should be verified for your specific system.
What is the NSN for 10225270?
10225270 is cataloged in the U.S. Government catalog under NSN 5310-00-177-7732. 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.