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Technical Data Sheet
PartsTable / COMPONENT / 500537
500537 ✓ 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

CYLINDER ASSEMBLY,ACTUATING,LINE. Key specifications include temp_rating: 119.0 FAHRENHEIT DEGF, bore_diameter: 1.000 INCHES NOMINAL IN, overall_width: 2.310 INCHES NOMINAL IN, pressure_rating: 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, special_features: ALTERED ITEM, criticality_code_justification: FEAT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-1974, 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
500537
NSN: 5310-00-275-1974
FSC: 5310
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
temp_rating119.0 FAHRENHEIT DEGF
bore_diameter1.000 INCHES NOMINAL IN
overall_width2.310 INCHES NOMINAL IN
pressure_rating3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
special_featuresALTERED ITEM
criticality_code_justificationFEAT
integral_valve_operation_methodHYDRAULIC
NSN5310-00-275-1974
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 500537 · 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
•
THREAD SERIES: UNEF
•
THREAD QUANTITY PER INCH: 20
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
BEARING SURFACE TYPE: WASHER FACED
•
NUT HEIGHT: 0.500 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 1.500 INCHES NOMINAL IN
•
THREAD DIRECTION: LEFT-HAND
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIESUNEF
THREAD QUANTITY PER INCH20
NOMINAL THREAD SIZE1.000 INCHES IN
BEARING SURFACE TYPEWASHER FACED
NUT HEIGHT0.500 INCHES NOMINAL IN
WIDTH ACROSS FLATS1.500 INCHES NOMINAL IN
THREAD DIRECTIONLEFT-HAND
MATERIALSTEEL OVERALL
THREAD CLASS3B
NUT STYLESLOTTED, HEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
5266Interchangeable
interchangeable cross-reference
interchangeable
38223Interchangeable
interchangeable cross-reference
interchangeable
13399Interchangeable
interchangeable cross-reference
interchangeable
576-942-003-100Interchangeable
interchangeable cross-reference
interchangeable
667031Interchangeable
interchangeable cross-reference
interchangeable
395000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 500537?
500537 is a CYLINDER ASSEMBLY,ACTUATING,LINE.
What parts can replace 500537?
There are 19 known substitutes for 500537: 5266, 38223, 13399 and 16 more. Substitute compatibility should be verified for your specific system.
Is 500537 still available?
500537 is currently cancelled.
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Last verified: July 2026