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BS37 ✓ 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: 0.469 INCHES NOMINAL IN, overall_height: 0.031 INCHES NOMINAL IN, outside_diameter: 0.844 INCHES NOMINAL IN, material_thickness: 0.014 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-455-3414, 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
BS37
NSN: 5310-00-455-3414
FSC: 5310
CAGE: 05341 — BEARING ENGINEERS INC DBA MOTION SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.469 INCHES NOMINAL IN
overall_height0.031 INCHES NOMINAL IN
outside_diameter0.844 INCHES NOMINAL IN
material_thickness0.014 INCHES NOMINAL IN
NSN5310-00-455-3414
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BS37 · 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: 0.469 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.844 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.014 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.469 INCHES NOMINAL IN
OUTSIDE DIAMETER0.844 INCHES NOMINAL IN
MATERIAL THICKNESS0.014 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
OVERALL HEIGHT0.031 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
59690Interchangeable
interchangeable cross-reference
interchangeable
205.025.000Interchangeable
interchangeable cross-reference
interchangeable
10145Interchangeable
interchangeable cross-reference
interchangeable
X08003Interchangeable
Same NIIN cross-reference
interchangeable
BS37CDInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BS37?
BS37 is a WASHER,SPRING TENSION.
What parts can replace BS37?
There are 5 known substitutes for BS37: 59690, 205.025.000, 10145 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BS37?
BS37 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-455-3414. 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