PartsTable
Technical Data Sheet
12027-1 ✓ Verified by PartsTable
Zyxel · 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

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include material: STEEL CORROSION RESISTING OVERALL, special_features: CRITICAL ITEM, surface_treatment: CADMIUM OVERALL, special_test_features: 0.187" GRIP, nominal_thread_diameter: 0.1900 INCHES IN, minimum_tensile_strength: 95000 POUNDS PER SQUARE INCH LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-023-4425, 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
12027-1
NSN: 5315-00-023-4425
FSC: 5315
CAGE: 24930 — L3HARRIS TECHNOLOGIES, INC DIV SPACE & AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
special_featuresCRITICAL ITEM
surface_treatmentCADMIUM OVERALL
special_test_features0.187" GRIP
supplementary_featuresMATERIAL: CORROSION RESISTANT STEEL I/A/W A286 (UNS S66286) CONFORMING TO THE CHEMISTRY OF AMS5731, AMS5732 OR AMS5737 OR AMS5853
nominal_thread_diameter0.1900 INCHES IN
minimum_tensile_strength95000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch32
criticality_code_justificationFEAT
part_name_assigned_by_controlling_agencySCREW, SHEAR, 130 DEGREE FLUSH HEAD, CLOSE TOLERANCE
NSN5315-00-023-4425
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12027-1 · Zyxel ⚠ 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
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
FIRST END STYLE: CHAMFERED
SURFACE TREATMENT: PASSIVATE OVERALL
MATERIAL: STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5640 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582 FED SPEC 2ND MATERIAL RESPONSE OVERALL
FIRST END TAPER LENGTH: 0.094 INCHES NOMINAL IN
PIN OVERALL DIAMETER: 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN
PIN OVERALL LENGTH: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
FIRST END STYLECHAMFERED
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5640 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582 FED SPEC 2ND MATERIAL RESPONSE OVERALL
FIRST END TAPER LENGTH0.094 INCHES NOMINAL IN
PIN OVERALL DIAMETER0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN
PIN OVERALL LENGTH1.500 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
12027-1Interchangeable
interchangeable cross-reference
interchangeable
C113Interchangeable
interchangeable cross-reference
interchangeable
774648Interchangeable
interchangeable cross-reference
interchangeable
6215Interchangeable
interchangeable cross-reference
interchangeable
2027-1Interchangeable
interchangeable cross-reference
interchangeable
3V4.50X4GRInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12027-1?
12027-1 is a TRANSFORMER,POWER AUTOTRANSFORME manufactured by Zyxel.
What parts can replace 12027-1?
There are 8 known substitutes for 12027-1: 12027-1, C113, 774648 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12027-1?
12027-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-023-4425. This indicates validated use in U.S. government and defense supply chains.
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