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1463X21U — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1463X21U: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.344 INCHES NOMINAL IN, overall_height: 0.078 INCHES NOMINAL IN, outside_diameter: 0.562 INCHES NOMINAL IN, surface_treatment: CADMIUM OR ZINC OVERALL, material_thickness: 0.008 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-264-4085, 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
1463X21U
NSN: 5310-00-264-4085
FSC: 5310 — Nuts and Washers
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.344 INCHES NOMINAL IN
overall_height0.078 INCHES NOMINAL IN
outside_diameter0.562 INCHES NOMINAL IN
surface_treatmentCADMIUM OR ZINC OVERALL
material_thickness0.008 INCHES NOMINAL IN
NSN5310-00-264-4085
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1463X21U · 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
•
OUTSIDE DIAMETER: 0.562 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.008 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.344 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.078 INCHES NOMINAL IN
OUTSIDE DIAMETER0.562 INCHES NOMINAL IN
MATERIAL THICKNESS0.008 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.344 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
629B1Reference document
Same NSN cross-reference
Reference document — Secondary reference
3502-18-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
5310002644085Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 1463X21U?
1463X21U is a WASHER,SPRING TENSION.
What parts can replace 1463X21U?
There are 3 known substitutes for 1463X21U: 629B1, 3502-18-1, 5310002644085. Substitute compatibility should be verified for your specific system.
What is the NSN for 1463X21U?
1463X21U is cataloged in the U.S. Government catalog under NSN 5310-00-264-4085. 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.