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68A451630-2001 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

68A451630-2001: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, hole_diameter: 0.266 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN, outside_diameter: 1.370 INCHES NOMINAL IN, material_thickness: 0.063 INCHES NOMINAL IN, tapered_key_major_width: 0.240 INCHES NOMINAL IN, material_document_and_classification: QQ-A-250/5,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-321-4619, 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
68A451630-2001
NSN: 5310-00-321-4619
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
hole_diameter0.266 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
outside_diameter1.370 INCHES NOMINAL IN
material_thickness0.063 INCHES NOMINAL IN
tapered_key_major_width0.240 INCHES NOMINAL IN
material_document_and_classificationQQ-A-250/5,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-321-4619
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 68A451630-2001 · 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-A-250/5,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.370 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.063 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
•
TAPERED KEY MAJOR WIDTH: 0.240 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.266 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.370 INCHES NOMINAL IN
MATERIAL THICKNESS0.063 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 2024 OVERALL
TAPERED KEY MAJOR WIDTH0.240 INCHES NOMINAL IN
HOLE DIAMETER0.266 INCHES MINIMUM AND 0.273 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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 68A451630-2001?
68A451630-2001 is a WASHER,KEY.
What is the NSN for 68A451630-2001?
68A451630-2001 is cataloged in the U.S. Government catalog under NSN 5310-00-321-4619. 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.