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350-0513-000 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

350-0513-000: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.0765 INCHES MINIMUM AND 0.0782 INCHES MAXIMUM IN, hole_diameter: 0.789 INCHES MINIMUM AND 0.799 INCHES MAXIMUM IN, hardness_rating: 44.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM, overall_diameter: 1.090 INCHES MINIMUM AND 1.100 INCHES MAXIMUM IN, surface_treatment: PHOSPHATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-228-6834, 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
350-0513-000
NSN: 5310-01-228-6834
FSC: 5310 — Nuts and Washers
CAGE: 76371 — MECHANICAL EQUIPMENT COMPANY, INC. DBA MECHANICAL EQUIPMENT CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.0765 INCHES MINIMUM AND 0.0782 INCHES MAXIMUM IN
hole_diameter0.789 INCHES MINIMUM AND 0.799 INCHES MAXIMUM IN
hardness_rating44.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM
overall_diameter1.090 INCHES MINIMUM AND 1.100 INCHES MAXIMUM IN
surface_treatmentPHOSPHATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE1060-1090 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-228-6834
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 350-0513-000 · 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: 1.090 INCHES MINIMUM AND 1.100 INCHES MAXIMUM IN
•
HARDNESS RATING: 44.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE1060-1090 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.090 INCHES MINIMUM AND 1.100 INCHES MAXIMUM IN
HARDNESS RATING44.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONSAE1060-1090 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPHOSPHATE OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.789 INCHES MINIMUM AND 0.799 INCHES MAXIMUM IN
THICKNESS0.0765 INCHES MINIMUM AND 0.0782 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
5900-78Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 350-0513-000?
350-0513-000 is a WASHER,FLAT.
What parts can replace 350-0513-000?
There is 1 known substitute for 350-0513-000: 5900-78. Substitute compatibility should be verified for your specific system.
What is the NSN for 350-0513-000?
350-0513-000 is cataloged in the U.S. Government catalog under NSN 5310-01-228-6834. 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.