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J3120 — FRONT PLATE,ASSEMBLY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

J3120: FRONT PLATE,ASSEMBLY.

The FRONT PLATE,ASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 3.250 INCHES NOMINAL IN, special_features: 4.72-12, style_designator: DOUBLE HEAD, features_provided: FULL POLISH, surface_treatment: CHROMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-495-4815, 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
J3120
NSN: 5310-01-495-4815
NIINs: 014954815, 015862252
FSC: 5310 — Nuts and Washers
CAGE: 07309 — BIRD-JOHNSON PROPELLER COMPANY, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length3.250 INCHES NOMINAL IN
special_features4.72-12
style_designatorDOUBLE HEAD
features_providedFULL POLISH
surface_treatmentCHROMIUM OVERALL
large_end_head_angle60.0 DEGREES NOMINAL
small_end_head_angle15.0 DEGREES NOMINAL
wrenching_surface_size0.625 INCHES NOMINAL BOTH ENDS IN
end_item_identificationSTERN THRUSTER ASSEMBLY, P/N E125FA42002 ABOARD 225 FT WLB COAST GUARD VESSELS FT
wrenching_surface_shapeOVAL BOTH ENDS INTERNAL
large_end_head_thickness0.234 INCHES NOMINAL IN
NSN5310-01-495-4815
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: J3120 · 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
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MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES4.72-12
END ITEM IDENTIFICATIONSTERN THRUSTER ASSEMBLY, P/N E125FA42002 ABOARD 225 FT WLB COAST GUARD VESSELS FT
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is J3120?
J3120 is a FRONT PLATE,ASSEMBLY.
What is the NSN for J3120?
J3120 is cataloged in the U.S. Government catalog under NSN 5310-01-495-4815. This indicates validated use in U.S. government and defense supply chains.
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