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PartsTable / COMPONENT / 40405-2 FIND NO 12
40405-2 FIND NO 12 ✓ 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 NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, end_item_identification: VALVE RED 3.50 IPS 250 PSI 25-60 PSI FLGE BRZ, part_name_assigned_by_controlling_agency: NUT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-524-9885, 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
40405-2 FIND NO 12
NSN: 5310-01-524-9885
FSC: 5310
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
end_item_identificationVALVE RED 3.50 IPS 250 PSI 25-60 PSI FLGE BRZ
part_name_assigned_by_controlling_agencyNUT
NSN5310-01-524-9885
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 40405-2 FIND NO 12 · 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: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONVALVE RED 3.50 IPS 250 PSI 25-60 PSI FLGE BRZ
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
160106P1Interchangeable
interchangeable cross-reference
interchangeable
RFG6622-819WInterchangeable
interchangeable cross-reference
interchangeable
16436Interchangeable
interchangeable cross-reference
interchangeable
98228Interchangeable
interchangeable cross-reference
interchangeable
164-17Interchangeable
interchangeable cross-reference
interchangeable
98228ADXInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40405-2 FIND NO 12?
40405-2 FIND NO 12 is a NUT,PLAIN,HEXAGON.
What parts can replace 40405-2 FIND NO 12?
There are 18 known substitutes for 40405-2 FIND NO 12: 160106P1, RFG6622-819W, 16436 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40405-2 FIND NO 12?
40405-2 FIND NO 12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-524-9885. 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