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S8157N447-020 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S8157N447-020: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include special_features: ITEM PREVIOUSLY KNOWN AS WASHER, SPECIAL, AIRCRAFT, end_item_identification: ACTUATOR, ELECTRO-ME, criticality_code_justification: AGAV. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-138-5514, 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
S8157N447-020
NSN: 5310-01-138-5514
NIINs: 011385514, 014808339
FSC: 5310 — Nuts and Washers
CAGE: 70210 — HONEYWELL INTERNATIONAL INC. DIV AEROSPACE - TORRANCE (USA)
SPECIFICATIONS
special_featuresITEM PREVIOUSLY KNOWN AS WASHER, SPECIAL, AIRCRAFT
end_item_identificationACTUATOR, ELECTRO-ME
criticality_code_justificationAGAV
NSN5310-01-138-5514
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S8157N447-020 · 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: 1.270 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OR STEEL COMP 303 OR STEEL COMP 321 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.900 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN
•
THICKNESS: 0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.270 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OR STEEL COMP 303 OR STEEL COMP 321 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.900 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN
THICKNESS0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
10109761Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S8157N447-020?
S8157N447-020 is a WASHER,FLAT.
What parts can replace S8157N447-020?
There is 1 known substitute for S8157N447-020: 10109761. Substitute compatibility should be verified for your specific system.
What is the NSN for S8157N447-020?
S8157N447-020 is cataloged in the U.S. Government catalog under NSN 5310-01-138-5514. 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.