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HWZSM9306040-01 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

HWZSM9306040-01: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 3.4 MILLIMETERS MINIMUM AND 4.6 MILLIMETERS MAXIMUM MM, hole_diameter: 33.0 MILLIMETERS MINIMUM AND 33.6 MILLIMETERS MAXIMUM MM, overall_diameter: 58.1 MILLIMETERS MINIMUM MM, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-651-3490, 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
HWZSM9306040-01
NSN: 5310-01-651-3490
FSC: 5310 — Nuts and Washers
CAGE: Z4732 — HAULMARK TRAILERS (AUSTRALIA) PTY LTD (AUS)
SPECIFICATIONS
materialSTEEL OVERALL
thickness3.4 MILLIMETERS MINIMUM AND 4.6 MILLIMETERS MAXIMUM MM
hole_diameter33.0 MILLIMETERS MINIMUM AND 33.6 MILLIMETERS MAXIMUM MM
overall_diameter58.1 MILLIMETERS MINIMUM MM
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-651-3490
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HWZSM9306040-01 · 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
•
OVERALL DIAMETER: 58.1 MILLIMETERS MINIMUM MM
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 33.0 MILLIMETERS MINIMUM AND 33.6 MILLIMETERS MAXIMUM MM
•
THICKNESS: 3.4 MILLIMETERS MINIMUM AND 4.6 MILLIMETERS MAXIMUM MM
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER58.1 MILLIMETERS MINIMUM MM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER33.0 MILLIMETERS MINIMUM AND 33.6 MILLIMETERS MAXIMUM MM
THICKNESS3.4 MILLIMETERS MINIMUM AND 4.6 MILLIMETERS MAXIMUM MM
SUBSTITUTES & CROSS-REFERENCES 2
ASTM F436MReference document
Same NSN cross-reference
Reference document — Secondary reference
WR43ZM30Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HWZSM9306040-01?
HWZSM9306040-01 is a WASHER,FLAT.
What parts can replace HWZSM9306040-01?
There are 2 known substitutes for HWZSM9306040-01: ASTM F436M, WR43ZM30. Substitute compatibility should be verified for your specific system.
What is the NSN for HWZSM9306040-01?
HWZSM9306040-01 is cataloged in the U.S. Government catalog under NSN 5310-01-651-3490. 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.