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Technical Data Sheet
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51937 ✓ 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 FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include special_features: USED ON 1979-1985 FORD TRUCK. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-245-5446, 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
51937
NSN: 5310-00-245-5446
FSC: 5310
CAGE: 70270 — STEWART-WARNER ALEMITE SALES CO INC (USA)
SPECIFICATIONS
special_featuresUSED ON 1979-1985 FORD TRUCK
NSN5310-00-245-5446
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 51937 · 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
•
OVERALL DIAMETER: 0.312 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.203 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL: COPPER OVERALL
•
THICKNESS: 0.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.312 INCHES NOMINAL IN
HOLE DIAMETER0.203 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
MATERIALCOPPER OVERALL
THICKNESS0.031 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
51937Interchangeable
interchangeable cross-reference
interchangeable
19020Interchangeable
interchangeable cross-reference
interchangeable
LC19020Interchangeable
interchangeable cross-reference
interchangeable
TRP10XInterchangeable
interchangeable cross-reference
interchangeable
60020Interchangeable
interchangeable cross-reference
interchangeable
C-2241/ARC-39Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51937?
51937 is a FILTER ELEMENT,FLUID.
What parts can replace 51937?
There are 18 known substitutes for 51937: 51937, 19020, LC19020 and 15 more. Substitute compatibility should be verified for your specific system.
Is 51937 still available?
51937 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