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3359H — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3359H: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1009 OVERALL, thickness: 0.117 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN, hole_diameter: 0.703 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN, overall_diameter: 1.371 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN, surface_treatment: PHOSPHATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-741-1636, 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
3359H
NSN: 5310-00-741-1636
FSC: 5310 — Nuts and Washers
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1009 OVERALL
thickness0.117 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
hole_diameter0.703 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN
overall_diameter1.371 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN
surface_treatmentPHOSPHATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-C-12968,TY B,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-741-1636
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3359H · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-12968,TY B,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 1.371 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 1009 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-12968,TY B,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER1.371 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPHOSPHATE OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 1009 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.703 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN
THICKNESS0.117 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
W42Reference document
Same NSN cross-reference
Reference document — Secondary reference
858311Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3359H?
3359H is a WASHER,FLAT.
What parts can replace 3359H?
There are 2 known substitutes for 3359H: W42, 858311. Substitute compatibility should be verified for your specific system.
What is the NSN for 3359H?
3359H is cataloged in the U.S. Government catalog under NSN 5310-00-741-1636. 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.