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PartsTable / COMPONENT / 3B0544
3B0544 ✓ 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 PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, first_end_style: SQUARE, surface_treatment: CADMIUM OR ZINC OVERALL, pin_overall_length: 0.988 INCHES MINIMUM AND 1.012 INCHES MAXIMUM IN, pin_overall_diameter: 0.1230 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN, material_document_and_classification: QQ-S-633,FS1010 TO FS1030 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-011-2012, 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
3B0544
NSN: 5315-00-011-2012
FSC: 5315
CAGE: 62265 — VOLVO TRUCKS NORTH AMERICA, INC. DBA (FOREIGN PARENT IS VOLVO LASTVAGNAR AB, GOTEBORG, SWEDEN.) (USA)
SPECIFICATIONS
materialSTEEL OVERALL
first_end_styleSQUARE
surface_treatmentCADMIUM OR ZINC OVERALL
pin_overall_length0.988 INCHES MINIMUM AND 1.012 INCHES MAXIMUM IN
pin_overall_diameter0.1230 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-633,FS1010 TO FS1030 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-011-2012
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3B0544 · 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
•
PIN OVERALL DIAMETER: 0.1230 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633,FS1010 TO FS1030 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MATERIAL: STEEL OVERALL
•
PIN OVERALL LENGTH: 0.988 INCHES MINIMUM AND 1.012 INCHES MAXIMUM IN
•
FIRST END STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
PIN OVERALL DIAMETER0.1230 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,FS1010 TO FS1030 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIALSTEEL OVERALL
PIN OVERALL LENGTH0.988 INCHES MINIMUM AND 1.012 INCHES MAXIMUM IN
FIRST END STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
1120-12Interchangeable
interchangeable cross-reference
interchangeable
1120-12CPDDInterchangeable
interchangeable cross-reference
interchangeable
7901920-02Interchangeable
interchangeable cross-reference
interchangeable
G210729-1Interchangeable
interchangeable cross-reference
interchangeable
S6624-2Interchangeable
interchangeable cross-reference
interchangeable
10804Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3B0544?
3B0544 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 3B0544?
There are 17 known substitutes for 3B0544: 1120-12, 1120-12CPDD, 7901920-02 and 14 more. Substitute compatibility should be verified for your specific system.
Is 3B0544 still available?
3B0544 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026