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PartsTable / COMPONENT / DIN137-B12-FST-A3L
DIN137-B12-FST-A3L ✓ 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 OVERALL, hole_diameter: 13.0 MILLIMETERS NOMINAL MM, outside_diameter: 24.0 MILLIMETERS NOMINAL MM, surface_treatment: ZINC AND CHROMATE OVERALL, material_thickness: 1.2 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-155-3895, 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
DIN137-B12-FST-A3L
NSN: 5310-01-155-3895
FSC: 5310
CAGE: D8286 — DIN DEUTSCHES INSTITUT FUR NORMUNG EV (DEU)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter13.0 MILLIMETERS NOMINAL MM
outside_diameter24.0 MILLIMETERS NOMINAL MM
surface_treatmentZINC AND CHROMATE OVERALL
material_thickness1.2 MILLIMETERS NOMINAL MM
NSN5310-01-155-3895
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: DIN137-B12-FST-A3L · 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: 13.0 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: ZINC AND CHROMATE OVERALL
•
MATERIAL THICKNESS: 1.2 MILLIMETERS NOMINAL MM
•
OUTSIDE DIAMETER: 24.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER13.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC AND CHROMATE OVERALL
MATERIAL THICKNESS1.2 MILLIMETERS NOMINAL MM
OUTSIDE DIAMETER24.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
10597Interchangeable
interchangeable cross-reference
interchangeable
255296-1Interchangeable
interchangeable cross-reference
interchangeable
408PInterchangeable
interchangeable cross-reference
interchangeable
53572Interchangeable
interchangeable cross-reference
interchangeable
941 1-1/8Interchangeable
interchangeable cross-reference
interchangeable
S209Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DIN137-B12-FST-A3L?
DIN137-B12-FST-A3L is a WASHER,SPRING TENSION.
What parts can replace DIN137-B12-FST-A3L?
There are 14 known substitutes for DIN137-B12-FST-A3L: 10597, 255296-1, 408P and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DIN137-B12-FST-A3L?
DIN137-B12-FST-A3L is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-155-3895. 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