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PartsTable / COMPONENT / S8154-401C025
S8154-401C025 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.250 INCHES NOMINAL IN, hole_diameter: 0.920 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN, overall_diameter: 1.230 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-029-0680, 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
S8154-401C025
NSN: 5310-01-029-0680
FSC: 5310
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.250 INCHES NOMINAL IN
hole_diameter0.920 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN
overall_diameter1.230 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-S-5059,TYPE 301,COND 1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-029-0680
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S8154-401C025 · 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
•
PERIPHERAL SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: STEEL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059,TYPE 301,COND 1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THICKNESS: 0.250 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 1.230 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.920 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059,TYPE 301,COND 1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
THICKNESS0.250 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER1.230 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN
HOLE DIAMETER0.920 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
1012200-2Interchangeable
interchangeable cross-reference
interchangeable
695762-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S8154-401C025?
S8154-401C025 is a WASHER,FLAT.
What parts can replace S8154-401C025?
There are 2 known substitutes for S8154-401C025: 1012200-2, 695762-1. Substitute compatibility should be verified for your specific system.
What is the NSN for S8154-401C025?
S8154-401C025 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-029-0680. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026