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146651 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

146651: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 1.120 INCHES NOMINAL IN, hole_diameter: 1.188 INCHES NOMINAL IN, overall_diameter: 1.969 INCHES NOMINAL IN, center_hole_width: 1.125 INCHES NOMINAL IN, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-062-9557, 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
146651
NSN: 5310-00-062-9557
FSC: 5310 — Nuts and Washers
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness1.120 INCHES NOMINAL IN
hole_diameter1.188 INCHES NOMINAL IN
overall_diameter1.969 INCHES NOMINAL IN
center_hole_width1.125 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleDEE
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-062-9557
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 146651 · 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
•
CENTER HOLE WIDTH: 1.125 INCHES NOMINAL IN
•
OVERALL DIAMETER: 1.969 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: DEE
•
HOLE DIAMETER: 1.188 INCHES NOMINAL IN
•
THICKNESS: 1.120 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CENTER HOLE WIDTH1.125 INCHES NOMINAL IN
OVERALL DIAMETER1.969 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEDEE
HOLE DIAMETER1.188 INCHES NOMINAL IN
THICKNESS1.120 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
5310000629557Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 146651?
146651 is a WASHER,FLAT.
What parts can replace 146651?
There is 1 known substitute for 146651: 5310000629557. Substitute compatibility should be verified for your specific system.
What is the NSN for 146651?
146651 is cataloged in the U.S. Government catalog under NSN 5310-00-062-9557. 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.