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68A450825-2003 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

68A450825-2003: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, hole_diameter: 4.272 INCHES NOMINAL4.272 INCHES NOMINAL IN, outside_diameter: 4.760 INCHES NOMINAL4.760 INCHES NOMINAL IN, surface_treatment: ANODIZE OVERALL, material_thickness: 0.085 INCHES MINIMUM AND 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM0.095 INCHES MAXIMUM IN, wire_hole_diameter: 0.090 INCHES NOMINAL0.090 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-253-3010, 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
68A450825-2003
NSN: 5310-01-253-3010
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
hole_diameter4.272 INCHES NOMINAL4.272 INCHES NOMINAL IN
outside_diameter4.760 INCHES NOMINAL4.760 INCHES NOMINAL IN
surface_treatmentANODIZE OVERALL
material_thickness0.085 INCHES MINIMUM AND 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM0.095 INCHES MAXIMUM IN
wire_hole_diameter0.090 INCHES NOMINAL0.090 INCHES NOMINAL IN
tapered_key_minor_width0.320 INCHES NOMINAL0.320 INCHES NOMINAL IN
internal_prebent_key_length0.069 INCHES MINIMUM AND 0.069 INCHES MINIMUM AND 0.079 INCHES MAXIMUM0.079 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-250/5,O FED SPEC SINGLE MATERIAL RESPONSE OVERALL
distance_from_key_center_to_wire_hole_center0.220 INCHES NOMINAL0.220 INCHES NOMINAL IN
surface_treatment_document_and_classificationPS13202,TY 2,CL 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-253-3010
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 68A450825-2003 · 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
•
WIRE HOLE DIAMETER: 0.090 INCHES NOMINAL0.090 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: PS13202,TY 2,CL 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
DISTANCE FROM KEY CENTER TO WIRE HOLE CENTER: 0.220 INCHES NOMINAL0.220 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/5,O FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 4.760 INCHES NOMINAL4.760 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.085 INCHES MINIMUM AND 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM0.095 INCHES MAXIMUM IN
•
TAPERED KEY MINOR WIDTH: 0.320 INCHES NOMINAL0.320 INCHES NOMINAL IN
•
INTERNAL PREBENT KEY LENGTH: 0.069 INCHES MINIMUM AND 0.069 INCHES MINIMUM AND 0.079 INCHES MAXIMUM0.079 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
WIRE HOLE DIAMETER0.090 INCHES NOMINAL0.090 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPS13202,TY 2,CL 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL
DISTANCE FROM KEY CENTER TO WIRE HOLE CENTER0.220 INCHES NOMINAL0.220 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5,O FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER4.760 INCHES NOMINAL4.760 INCHES NOMINAL IN
MATERIAL THICKNESS0.085 INCHES MINIMUM AND 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM0.095 INCHES MAXIMUM IN
TAPERED KEY MINOR WIDTH0.320 INCHES NOMINAL0.320 INCHES NOMINAL IN
INTERNAL PREBENT KEY LENGTH0.069 INCHES MINIMUM AND 0.069 INCHES MINIMUM AND 0.079 INCHES MAXIMUM0.079 INCHES MAXIMUM IN
SPECIAL FEATURESTWO INTERNAL PREBENT KEYS,TOP OF WEDGE TO ID 0.510 IN.,CENTER OF WIRE HOLE TO ID 0.400,CENTER TO BOTTOM OF KEY 2.070 IN. MIN 2.080 IN. MAX,TAB TO BE STRAIGHT 0.070 IN.TWO INTERNAL PREBENT KEYS,TOP OF WEDGE TO ID 0.510 IN.,CENTER OF WIRE HOLE TO ID 0.400,CENTER TO BOTTOM OF KEY 2.070 IN. MIN 2.080 IN. MAX,TAB TO BE STRAIGHT 0.070 IN. IN
SURFACE TREATMENTANODIZE OVERALL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 68A450825-2003?
68A450825-2003 is a WASHER,KEY.
What is the NSN for 68A450825-2003?
68A450825-2003 is cataloged in the U.S. Government catalog under NSN 5310-01-253-3010. 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.