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Technical Data Sheet
PartsTable / COMPONENT / 937-020
937-020 ✓ 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 CLUTCH ASSEMBLY,FRICTION is a the manufacturer industrial component. Key specifications include material: RUBBER BODY, nominal_width: 0.656 INCHES IN, performance_type: STANDARD CAPACITY, style_designator: PLAIN, nominal_pitch_length: 41.800 INCHES IN, strengthening_feature: FIBER CORD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-281-7265, 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
937-020
NSN: 5315-00-281-7265
FSC: 5315
CAGE: 93343 — WHITE FARM EQUIPMENT CO SUB OF TIC INVESTMENT CORP
SPECIFICATIONS
materialRUBBER BODY
nominal_width0.656 INCHES IN
performance_typeSTANDARD CAPACITY
style_designatorPLAIN
cross-sectional_sizeB
nominal_pitch_length41.800 INCHES IN
strengthening_featureFIBER CORD
environmental_protectionDUSTPROOF AND HEAT RESISTANT AND OIL RESISTANT
NSN5315-00-281-7265
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 937-020 · 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
•
THICKNESS: 0.188 INCHES NOMINAL IN
•
CIRCLE DIAMETER: 1.000 INCHES NOMINAL IN
•
KEY HEIGHT: 0.438 INCHES NOMINAL IN
•
KEY SIZE DESIGNATION: WOODRUFF 13
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STARTING EDGE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: ROUND BOTTOM
•
MATERIAL: STEEL COMP 1035 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.188 INCHES NOMINAL IN
CIRCLE DIAMETER1.000 INCHES NOMINAL IN
KEY HEIGHT0.438 INCHES NOMINAL IN
KEY SIZE DESIGNATIONWOODRUFF 13
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORROUND BOTTOM
MATERIALSTEEL COMP 1035 OVERALL
HARDNESS RATING90.7 ROCKWELL B NOMINAL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
2625-12Interchangeable
interchangeable cross-reference
interchangeable
B40Interchangeable
interchangeable cross-reference
interchangeable
31956Interchangeable
Same NIIN cross-reference
interchangeable
S2891Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 937-020?
937-020 is a CLUTCH ASSEMBLY,FRICTION.
What parts can replace 937-020?
There are 4 known substitutes for 937-020: 2625-12, B40, 31956 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 937-020?
937-020 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-281-7265. 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