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00403-9 — WASHER,SPLIT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

00403-9: WASHER,SPLIT.

The WASHER,SPLIT is a the manufacturer industrial component. Key specifications include material: LEAD OVERALL, hole_diameter: 1.695 INCHES MINIMUM AND 1.705 INCHES MAXIMUM IN, outside_diameter: 3.390 INCHES MINIMUM AND 3.422 INCHES MAXIMUM IN, style_designator: SPLIT, material_thickness: 0.180 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN, distance_across_split_opening: 0.062 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-930-3938, 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
00403-9
NSN: 5310-00-930-3938
FSC: 5310 — Nuts and Washers
CAGE: 14153 — DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA (USA)
SPECIFICATIONS
materialLEAD OVERALL
hole_diameter1.695 INCHES MINIMUM AND 1.705 INCHES MAXIMUM IN
outside_diameter3.390 INCHES MINIMUM AND 3.422 INCHES MAXIMUM IN
style_designatorSPLIT
material_thickness0.180 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
distance_across_split_opening0.062 INCHES MAXIMUM IN
NSN5310-00-930-3938
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 00403-9 · 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
•
DISTANCE ACROSS SPLIT OPENING: 0.062 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SPLIT
•
OUTSIDE DIAMETER: 3.390 INCHES MINIMUM AND 3.422 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.180 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
•
MATERIAL: LEAD OVERALL
•
HOLE DIAMETER: 1.695 INCHES MINIMUM AND 1.705 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
DISTANCE ACROSS SPLIT OPENING0.062 INCHES MAXIMUM IN
STYLE DESIGNATORSPLIT
OUTSIDE DIAMETER3.390 INCHES MINIMUM AND 3.422 INCHES MAXIMUM IN
MATERIAL THICKNESS0.180 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
MATERIALLEAD OVERALL
HOLE DIAMETER1.695 INCHES MINIMUM AND 1.705 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
C417Reference document
Same NSN cross-reference
Reference document — Secondary 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 00403-9?
00403-9 is a WASHER,SPLIT.
What parts can replace 00403-9?
There is 1 known substitute for 00403-9: C417. Substitute compatibility should be verified for your specific system.
What is the NSN for 00403-9?
00403-9 is cataloged in the U.S. Government catalog under NSN 5310-00-930-3938. 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.