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429265E-ITEM31 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

429265E-ITEM31: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN, hole_diameter: 2.125 INCHES NOMINAL IN, overall_diameter: 3.750 INCHES NOMINAL IN, special_features: GRADE 8 HIGH STRENGTH STEEL, surface_treatment: CHROMATE AND ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-592-8810, 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
429265E-ITEM31
NSN: 5310-01-592-8810
FSC: 5310 — Nuts and Washers
CAGE: 59042 — CBS BROADCASTING INC. DBA CBS DIV BECHTEL PLANT MACHINERY INC. - PITTSBURGH (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
hole_diameter2.125 INCHES NOMINAL IN
overall_diameter3.750 INCHES NOMINAL IN
special_featuresGRADE 8 HIGH STRENGTH STEEL
surface_treatmentCHROMATE AND ZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleBLANK RECTANGULAR
part_name_assigned_by_controlling_agencyZINC YELLOW CHROMATE PLATED GRADE 8 STEEL SAE STANDARD WASHER
NSN5310-01-592-8810
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 429265E-ITEM31 · 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: 3.750 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: BLANK RECTANGULAR
•
COLOR: YELLOW OVERALL
•
SURFACE TREATMENT: CHROMATE AND ZINC OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER3.750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEBLANK RECTANGULAR
COLORYELLOW OVERALL
SPECIAL FEATURESGRADE 8 HIGH STRENGTH STEEL
SURFACE TREATMENTCHROMATE AND ZINC OVERALL
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYZINC YELLOW CHROMATE PLATED GRADE 8 STEEL SAE STANDARD WASHER
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER2.125 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 429265E-ITEM31?
429265E-ITEM31 is a WASHER,FLAT.
What is the NSN for 429265E-ITEM31?
429265E-ITEM31 is cataloged in the U.S. Government catalog under NSN 5310-01-592-8810. 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.