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404881 ✓ 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 SEMICONDUCTOR DEVICE,THYRISTOR is a the manufacturer industrial component. Key specifications include material: WOOL OR COTTON OR CELLULOSE OR GLASS OVERALL, thickness: 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN, core_diameter: 0.219 INCHES NOMINAL IN, core_material: STEEL CORROSION RESISTING, hole_diameter: 0.354 INCHES NOMINAL IN, overall_length: 0.555 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-527-7234, 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
404881
NSN: 5310-00-527-7234
FSC: 5310
CAGE: 65282 — WHITE MOTOR CORP (USA)
SPECIFICATIONS
materialWOOL OR COTTON OR CELLULOSE OR GLASS OVERALL
thickness0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
core_diameter0.219 INCHES NOMINAL IN
core_materialSTEEL CORROSION RESISTING
hole_diameter0.354 INCHES NOMINAL IN
overall_length0.555 INCHES MAXIMUM IN
mounting_methodPRESS FIT
travel_distance0.750 INCHES NOMINAL IN
effective_length37.875 INCHES NOMINAL IN
overall_diameter1.625 INCHES MAXIMUM IN
special_featuresMINIMUM CURRENT; JUNCTION PATTERN ARRANGEMENT: PNPN
core_constructionWIRE ROPE
NSN5310-00-527-7234
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 404881 · 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
•
MATERIAL: WOOL OR COTTON OR CELLULOSE OR GLASS OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 0.512 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.354 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALWOOL OR COTTON OR CELLULOSE OR GLASS OVERALL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.512 INCHES NOMINAL IN
HOLE DIAMETER0.354 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
40488-1Interchangeable
interchangeable cross-reference
interchangeable
2448420Interchangeable
interchangeable cross-reference
interchangeable
S23A8BInterchangeable
interchangeable cross-reference
interchangeable
40488Interchangeable
interchangeable cross-reference
interchangeable
2185440Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 404881?
404881 is a SEMICONDUCTOR DEVICE,THYRISTOR.
What parts can replace 404881?
There are 5 known substitutes for 404881: 40488-1, 2448420, S23A8B and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 404881?
404881 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-527-7234. 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