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30221535 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

30221535: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.5156 INCHES NOMINAL IN, overall_height: 0.072 INCHES NOMINAL IN, outside_diameter: 1.109 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.012 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-576-7918, 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
30221535
NSN: 5310-00-576-7918
FSC: 5310 — Nuts and Washers
CAGE: 830Q4 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.5156 INCHES NOMINAL IN
overall_height0.072 INCHES NOMINAL IN
outside_diameter1.109 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
material_thickness0.012 INCHES NOMINAL IN
NSN5310-00-576-7918
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 30221535 · 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: 1.109 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.012 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
HOLE DIAMETER: 0.5156 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.072 INCHES NOMINAL IN
OUTSIDE DIAMETER1.109 INCHES NOMINAL IN
MATERIAL THICKNESS0.012 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE DIAMETER0.5156 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
3W34486Reference document
Same NSN cross-reference
Reference document — Secondary reference
W34486Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 30221535?
30221535 is a WASHER,SPRING TENSION.
What parts can replace 30221535?
There are 2 known substitutes for 30221535: 3W34486, W34486. Substitute compatibility should be verified for your specific system.
What is the NSN for 30221535?
30221535 is cataloged in the U.S. Government catalog under NSN 5310-00-576-7918. 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.