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401-94233 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

401-94233: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.188 INCHES NOMINAL IN, center_hole_width: 0.775 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN, width_across_flats: 2.000 INCHES NOMINAL IN, peripheral_shape_style: SQUARE, center_hole_shape_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-326-1053, 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
401-94233
NSN: 5310-01-326-1053
FSC: 5310 — Nuts and Washers
CAGE: 66234 — M-B COMPANIES, INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.188 INCHES NOMINAL IN
center_hole_width0.775 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
width_across_flats2.000 INCHES NOMINAL IN
peripheral_shape_styleSQUARE
center_hole_shape_styleSQUARE
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-326-1053
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 401-94233 · 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: 0.775 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 2.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: SQUARE
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: SQUARE
•
THICKNESS: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CENTER HOLE WIDTH0.775 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
WIDTH ACROSS FLATS2.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLESQUARE
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLESQUARE
THICKNESS0.188 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 401-94233?
401-94233 is a WASHER,FLAT.
What is the NSN for 401-94233?
401-94233 is cataloged in the U.S. Government catalog under NSN 5310-01-326-1053. 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.