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PartsTable / COMPONENT / B0375-020
B0375-020 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: SPECIAL FLAT, usage_design: INTERNAL, inside_diameter: 3.848 INCHES NOMINAL IN, major_thickness: 0.061 INCHES NOMINAL IN, strength_rating: ERR-060. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-282-6303, 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
B0375-020
NSN: 5325-00-282-6303
FSC: 5325
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL
ring_styleSPECIAL FLAT
usage_designINTERNAL
inside_diameter3.848 INCHES NOMINAL IN
major_thickness0.061 INCHES NOMINAL IN
strength_ratingERR-060
outside_diameter4.284 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleDOUBLE OVAL
material_document_and_classificationFED STD 66,AISI C1070 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-282-6303
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: B0375-020 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
RING STYLE: SPECIAL FLAT
•
OUTSIDE DIAMETER: 4.284 INCHES NOMINAL IN
•
STRENGTH RATING: ERR-060
•
MATERIAL: STEEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,AISI C1070 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
USAGE DESIGN: INTERNAL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
RING STYLESPECIAL FLAT
OUTSIDE DIAMETER4.284 INCHES NOMINAL IN
STRENGTH RATINGERR-060
MATERIALSTEEL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,AISI C1070 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
USAGE DESIGNINTERNAL
CASEHARDENING INDICATORNOT CASEHARDENED
INSIDE DIAMETER3.848 INCHES NOMINAL IN
MAJOR THICKNESS0.061 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
375-20Interchangeable
interchangeable cross-reference
interchangeable
B0375-020-5Interchangeable
interchangeable cross-reference
interchangeable
ES2081-02Interchangeable
interchangeable cross-reference
interchangeable
2-57-0377-19-00Interchangeable
interchangeable cross-reference
interchangeable
619D136-7Interchangeable
interchangeable cross-reference
interchangeable
73440Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B0375-020?
B0375-020 is a WASHER,SPRING TENSION.
What parts can replace B0375-020?
There are 10 known substitutes for B0375-020: 375-20, B0375-020-5, ES2081-02 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B0375-020?
B0375-020 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-282-6303. 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