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S8157N396-040 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S8157N396-040: 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: 0.040 INCHES NOMINAL 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: MATERIAL FOR PART NUMBER S8157M396-040 IS DURABLA SHEET PER SPEC. HH-P-46, peripheral_shape_style: ROUND.

This part is cataloged in the U.S. Government catalog under NSN 5310-01-031-0652, 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
S8157N396-040
NSN: 5310-01-031-0652
FSC: 5310 — Nuts and Washers
CAGE: 72599 — ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 316 OR STEEL COMP 321 OVERALL
thickness0.040 INCHES NOMINAL IN
hole_diameter0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
overall_diameter0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
special_featuresMATERIAL FOR PART NUMBER S8157M396-040 IS DURABLA SHEET PER SPEC. HH-P-46
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-031-0652
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S8157N396-040 · 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: 0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 316 OR STEEL COMP 321 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESMATERIAL FOR PART NUMBER S8157M396-040 IS DURABLA SHEET PER SPEC. HH-P-46
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 316 OR STEEL COMP 321 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
THICKNESS0.040 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S8157N396-040?
S8157N396-040 is a WASHER,FLAT.
What is the NSN for S8157N396-040?
S8157N396-040 is cataloged in the U.S. Government catalog under NSN 5310-01-031-0652. This indicates validated use in U.S. government and defense supply chains.
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