PartsTable
Technical Data Sheet
8333231 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 937 OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.766 INCHES NOMINAL IN, overall_diameter: 1.375 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-270-2195, 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
8333231
NSN: 5310-00-270-2195
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialCOPPER ALLOY 937 OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.766 INCHES NOMINAL IN
overall_diameter1.375 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-270-2195
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8333231 · 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
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL SHAPE STYLE: ROUND
OVERALL DIAMETER: 1.375 INCHES NOMINAL IN
HOLE DIAMETER: 0.766 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
CENTER HOLE SHAPE STYLE: ROUND
MATERIAL: COPPER ALLOY 937 OVERALL
THICKNESS: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER1.375 INCHES NOMINAL IN
HOLE DIAMETER0.766 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CENTER HOLE SHAPE STYLEROUND
MATERIALCOPPER ALLOY 937 OVERALL
THICKNESS0.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
2026-1Interchangeable
interchangeable cross-reference
interchangeable
120Interchangeable
interchangeable cross-reference
interchangeable
X333386Interchangeable
interchangeable cross-reference
interchangeable
3800194Interchangeable
interchangeable cross-reference
interchangeable
261-32-08-199Interchangeable
interchangeable cross-reference
interchangeable
HD-1-54C86Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8333231?
8333231 is a WASHER,FLAT.
What parts can replace 8333231?
There are 15 known substitutes for 8333231: 2026-1, 120, X333386 and 12 more. Substitute compatibility should be verified for your specific system.
Is 8333231 still available?
8333231 is currently cancelled.
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