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N100393 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

N100393: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN, hole_diameter: 0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN, overall_diameter: 0.800 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-107-4643, 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
N100393
NSN: 5310-01-107-4643
FSC: 5310 — Nuts and Washers
CAGE: 77646 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA AEROSPACE SYSTEMS DIV AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
hole_diameter0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
overall_diameter0.800 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-107-4643
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: N100393 · 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: 0.800 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
•
THICKNESS: 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.800 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
THICKNESS0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N100393?
N100393 is a WASHER,FLAT.
What is the NSN for N100393?
N100393 is cataloged in the U.S. Government catalog under NSN 5310-01-107-4643. 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.