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21542033-007 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

21542033-007: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 6.4 MILLIMETERS NOMINAL MM, overall_height: 2.0 MILLIMETERS MAXIMUM MM, outside_diameter: 14.0 MILLIMETERS NOMINAL MM, style_designator: SPRING TENSION, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-308-8207, 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
21542033-007
NSN: 5310-01-308-8207
NIINs: 013088207, 014827970
FSC: 5310 — Nuts and Washers
CAGE: A9271 — GORIZIANE GROUP SPA (ITA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter6.4 MILLIMETERS NOMINAL MM
overall_height2.0 MILLIMETERS MAXIMUM MM
outside_diameter14.0 MILLIMETERS NOMINAL MM
style_designatorSPRING TENSION
surface_treatmentZINC OVERALL
material_thickness1.5 MILLIMETERS NOMINAL MM
NSN5310-01-308-8207
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 21542033-007 · 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: 14.0 MILLIMETERS NOMINAL MM
•
MATERIAL THICKNESS: 1.5 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 6.4 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.0 MILLIMETERS MAXIMUM MM
STYLE DESIGNATORSPRING TENSION
OUTSIDE DIAMETER14.0 MILLIMETERS NOMINAL MM
MATERIAL THICKNESS1.5 MILLIMETERS NOMINAL MM
SURFACE TREATMENTZINC OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER6.4 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 1
90825-991Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 21542033-007?
21542033-007 is a WASHER,FLAT.
What parts can replace 21542033-007?
There is 1 known substitute for 21542033-007: 90825-991. Substitute compatibility should be verified for your specific system.
What is the NSN for 21542033-007?
21542033-007 is cataloged in the U.S. Government catalog under NSN 5310-01-308-8207. 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.