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S8157N396-063T — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S8157N396-063T: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 316 OR STEEL COMP 321 OVERALL, thickness: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN, hole_diameter: 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, overall_diameter: 0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN, special_features: SUBMITTED ITEM NAME FOR CATALOGING-WASHER, surface_treatment: TIN OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-529-2103, 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
S8157N396-063T
NSN: 5310-01-529-2103
FSC: 5310 — Nuts and Washers
CAGE: 70210 — HONEYWELL INTERNATIONAL INC. DIV AEROSPACE - TORRANCE (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 316 OR STEEL COMP 321 OVERALL
thickness0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
hole_diameter0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
overall_diameter0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
special_featuresSUBMITTED ITEM NAME FOR CATALOGING-WASHER
surface_treatmentTIN OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationC-5 AIRCRAFT
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-T-10727, TYPE I FUSED 0.0003 MIN THICKNESS MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-529-2103
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S8157N396-063T · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-T-10727, TYPE I FUSED 0.0003 MIN THICKNESS MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: TIN OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-T-10727, TYPE I FUSED 0.0003 MIN THICKNESS MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESSUBMITTED ITEM NAME FOR CATALOGING-WASHER
SURFACE TREATMENTTIN OVERALL
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATIONC-5 AIRCRAFT
MATERIALSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 316 OR STEEL COMP 321 OVERALL
CENTER HOLE SHAPE STYLEROUND
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S8157N396-063T?
S8157N396-063T is a WASHER,FLAT.
What is the NSN for S8157N396-063T?
S8157N396-063T is cataloged in the U.S. Government catalog under NSN 5310-01-529-2103. 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.