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Technical Data Sheet
PartsTable / O-RING / 500572-2
500572-2 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 0.5833 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-689-6472, 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
500572-2
NSN: 5331-00-689-6472
FSC: 5331 — O-RING
CAGE: 81412 — TREADWELL CORPORATION (DELAWARE) DBA TREADWELL CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
pitch_diameter0.5833 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity42
style_designatorPROTRUDING HUB
attachment_methodMOUNTING HOLE
surface_treatmentPASSIVATE OVERALL
face_nominal_width0.125 INCHES IN
hub_nominal_diameter0.375 INCHES FIRST END IN
NSN5331-00-689-6472
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 500572-2 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
MATERIAL: RUBBER SYNTHETIC
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.354 INCHES MINIMUM AND 2.374 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONFEAT
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING
MATERIALRUBBER SYNTHETIC
SPECIAL FEATURESCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.354 INCHES MINIMUM AND 2.374 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
500572-2Interchangeable
interchangeable cross-reference
interchangeable
NAS1601Interchangeable
interchangeable cross-reference
interchangeable
NAS1601-036Interchangeable
interchangeable cross-reference
interchangeable
2-36-E515-8Interchangeable
Same NIIN cross-reference
interchangeable
500572-2CPInterchangeable
Same NIIN cross-reference
interchangeable
2-36-E515-8CPInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 500572-2?
500572-2 is a GEAR,SPUR.
What parts can replace 500572-2?
There are 9 known substitutes for 500572-2: 500572-2, NAS1601, NAS1601-036 and 6 more. Substitute compatibility should be verified for your specific system.
Is 500572-2 still available?
500572-2 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