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PartsTable / COMPONENT / B0375-020S
B0375-020S ✓ 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,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, hole_diameter: 0.190 INCHES MINIMUM0.190 INCHES MINIMUM IN, overall_height: 0.030 INCHES NOMINAL0.030 INCHES NOMINAL IN, outside_diameter: 0.375 INCHES MAXIMUM0.375 INCHES MAXIMUM IN, style_designator: SPRING TENSION, material_thickness: 0.020 INCHES NOMINAL0.020 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-023-9110, 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
B0375-020S
NSN: 5310-01-023-9110
FSC: 5310
CAGE: 70472 — BARNES GROUP INC (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
hole_diameter0.190 INCHES MINIMUM0.190 INCHES MINIMUM IN
overall_height0.030 INCHES NOMINAL0.030 INCHES NOMINAL IN
outside_diameter0.375 INCHES MAXIMUM0.375 INCHES MAXIMUM IN
style_designatorSPRING TENSION
material_thickness0.020 INCHES NOMINAL0.020 INCHES NOMINAL IN
material_document_and_classificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-023-9110
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B0375-020S · 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
•
HOLE DIAMETER: 0.190 INCHES MINIMUM0.190 INCHES MINIMUM IN
•
STYLE DESIGNATOR: SPRING TENSION
•
MATERIAL: STEEL COMP 302 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.375 INCHES MAXIMUM0.375 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.020 INCHES NOMINAL0.020 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.190 INCHES MINIMUM0.190 INCHES MINIMUM IN
STYLE DESIGNATORSPRING TENSION
MATERIALSTEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.375 INCHES MAXIMUM0.375 INCHES MAXIMUM IN
OVERALL HEIGHT0.030 INCHES NOMINAL0.030 INCHES NOMINAL IN
MATERIAL THICKNESS0.020 INCHES NOMINAL0.020 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
ST4Interchangeable
interchangeable cross-reference
interchangeable
BS08DInterchangeable
interchangeable cross-reference
interchangeable
778-00002Interchangeable
interchangeable cross-reference
interchangeable
ST-3Interchangeable
interchangeable cross-reference
interchangeable
SBT-4UInterchangeable
interchangeable cross-reference
interchangeable
SBL-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B0375-020S?
B0375-020S is a WASHER,SPRING TENSION.
What parts can replace B0375-020S?
There are 16 known substitutes for B0375-020S: ST4, BS08D, 778-00002 and 13 more. Substitute compatibility should be verified for your specific system.
Is B0375-020S still available?
B0375-020S is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026