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Technical Data Sheet
PartsTable / COMPONENT / G30015B
G30015B ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.060 INCHES NOMINAL IN, hole_diameter: 1.560 INCHES NOMINAL IN, heat_treatment: COLD ROLLED, overall_diameter: 2.410 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-121-3499, 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
G30015B
NSN: 5310-00-121-3499
FSC: 5310
CAGE: Z4732 — HAULMARK TRAILERS (AUSTRALIA) PTY LTD (AUS)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.060 INCHES NOMINAL IN
hole_diameter1.560 INCHES NOMINAL IN
heat_treatmentCOLD ROLLED
overall_diameter2.410 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-121-3499
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: G30015B · 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 DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
HOLE DIAMETER: 1.560 INCHES NOMINAL IN
•
THICKNESS: 0.060 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OVERALL DIAMETER: 2.410 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HEAT TREATMENT: COLD ROLLED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER1.560 INCHES NOMINAL IN
THICKNESS0.060 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL DIAMETER2.410 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAT TREATMENTCOLD ROLLED
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
WW9481437 PIECEInterchangeable
interchangeable cross-reference
interchangeable
9481437-11Interchangeable
interchangeable cross-reference
interchangeable
11143Interchangeable
interchangeable cross-reference
interchangeable
13271Interchangeable
interchangeable cross-reference
interchangeable
200-209Interchangeable
interchangeable cross-reference
interchangeable
1023801REVHInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G30015B?
G30015B is a WASHER,FLAT.
What parts can replace G30015B?
There are 11 known substitutes for G30015B: WW9481437 PIECE, 9481437-11, 11143 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for G30015B?
G30015B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-121-3499. 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