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221R046 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

221R046: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 631 OVERALL, hole_diameter: 0.400 INCHES NOMINAL IN, overall_height: 0.085 INCHES NOMINAL IN, outside_diameter: 0.500 INCHES NOMINAL IN, style_designator: SPRING TENSION, material_thickness: 0.006 INCHES MINIMUM AND 0.010 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-447-1719, 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
221R046
NSN: 5310-01-447-1719
FSC: 5310 — Nuts and Washers
CAGE: 98939 — AEROCONTROLEX GROUP, INC. DBA AERO FLUID PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL COMP 631 OVERALL
hole_diameter0.400 INCHES NOMINAL IN
overall_height0.085 INCHES NOMINAL IN
outside_diameter0.500 INCHES NOMINAL IN
style_designatorSPRING TENSION
material_thickness0.006 INCHES MINIMUM AND 0.010 INCHES MAXIMUM IN
NSN5310-01-447-1719
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 221R046 · 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
•
STYLE DESIGNATOR: SPRING TENSION
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.006 INCHES MINIMUM AND 0.010 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 631 OVERALL
•
HOLE DIAMETER: 0.400 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.085 INCHES NOMINAL IN
STYLE DESIGNATORSPRING TENSION
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.006 INCHES MINIMUM AND 0.010 INCHES MAXIMUM IN
MATERIALSTEEL COMP 631 OVERALL
HOLE DIAMETER0.400 INCHES NOMINAL 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 221R046?
221R046 is a WASHER,SPRING TENSION.
What is the NSN for 221R046?
221R046 is cataloged in the U.S. Government catalog under NSN 5310-01-447-1719. 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.