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404 226 ✓ Verified by PartsTable
Legrand · 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 TRANSFORMER,POWER is a Legrand industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.234 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-655-9635, 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
404 226
NSN: 5310-00-655-9635
FSC: 5310
CAGE: 77294 — PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC DIV PIPER INDUSTRIAL MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.234 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_across_flats0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
nominal_thread_size0.312 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch24
departure_from_cited_designatorAS MODIFIED BY SURFACE TREATMENT
NSN5310-00-655-9635
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 404 226 · Legrand ⚠ 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: STEEL OVERALL
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY SURFACE TREATMENT
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
NUT HEIGHT: 0.234 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
THREAD QUANTITY PER INCH: 24
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY SURFACE TREATMENT
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
NUT HEIGHT0.234 INCHES NOMINAL IN
THREAD SERIESUNF
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD QUANTITY PER INCH24
NOMINAL THREAD SIZE0.312 INCHES IN
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
8161462Interchangeable
interchangeable cross-reference
interchangeable
AN315-5RInterchangeable
interchangeable cross-reference
interchangeable
F22R315-524Interchangeable
interchangeable cross-reference
interchangeable
4282Interchangeable
interchangeable cross-reference
interchangeable
5950PL2156568Interchangeable
interchangeable cross-reference
interchangeable
004042-026Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 404 226?
404 226 is a TRANSFORMER,POWER manufactured by Legrand.
What parts can replace 404 226?
There are 6 known substitutes for 404 226: 8161462, AN315-5R, F22R315-524 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 404 226?
404 226 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-655-9635. 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