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Technical Data Sheet
1WN3-126Y ✓ 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,KEY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, criticality_code_justification: ZZZY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-170-7245, 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
1WN3-126Y
NSN: 5310-01-170-7245
FSC: 5310
CAGE: 85578 — MARK CONTROLS CORP PACIFIC VALVES DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
special_featuresINSIDE DIAMETER IS 1.406IN. AND OVERALL DIAMETER IS 2.000IN. WASHER HAS 8 SLOTS,45 DEGREES APART 0.062IN. WIDE AND 0.125IN. DEEP,MADE FROM .020-.025IN. THICK MATERIAL IN
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN5310-01-170-7245
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1WN3-126Y · 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
CRITICALITY CODE JUSTIFICATION: ZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZY
SPECIAL FEATURESINSIDE DIAMETER IS 1.406IN. AND OVERALL DIAMETER IS 2.000IN. WASHER HAS 8 SLOTS,45 DEGREES APART 0.062IN. WIDE AND 0.125IN. DEEP,MADE FROM .020-.025IN. THICK MATERIAL IN
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
1537-2Interchangeable
interchangeable cross-reference
interchangeable
57-36Interchangeable
IBM PCI-X DDR Dual Channel U320 SCSI Adapter
interchangeable
21320Interchangeable
interchangeable cross-reference
interchangeable
14037963Interchangeable
interchangeable cross-reference
interchangeable
EP-0010355Interchangeable
interchangeable cross-reference
interchangeable
B18.3.2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1WN3-126Y?
1WN3-126Y is a WASHER,KEY.
What parts can replace 1WN3-126Y?
There are 6 known substitutes for 1WN3-126Y: 1537-2, 57-36, 21320 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1WN3-126Y?
1WN3-126Y is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-170-7245. This indicates validated use in U.S. government and defense supply chains.
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