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500752 ✓ 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 MARKER,IDENTIFICATION is a the manufacturer industrial component. Key specifications include width: 0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, height: 0.156 INCHES NOMINAL IN, length: 0.317 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN, material: STEEL AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, thread_class: 2B LOCATION NOT OTHERWISE SPECIFIED, furnished_items: LOCKNUT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-056-5429, 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
500752
NSN: 5340-00-056-5429
FSC: 5340
CAGE: 20284 — AIMTRON SYSTEMS, LLC (USA)
SPECIFICATIONS
width0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
height0.156 INCHES NOMINAL IN
length0.317 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
materialSTEEL AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
thread_class2B LOCATION NOT OTHERWISE SPECIFIED
furnished_itemsLOCKNUT
special_featuresCONTAINS 35 FT. DSS-3 CABLE FT
nominal_thread_size0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
overall_outside_diameter7.750 INCHES NOMINAL IN
thread_quantity_per_inch20 LOCATION NOT OTHERWISE SPECIFIED
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
material_document_and_classificationAISI ASSN STD 1ST MATERIAL RESPONSE OR MIL-M-20693,COMP A,TYPE 1 MIL SPEC 2ND MATERIAL RESPONSE
NSN5340-00-056-5429
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 500752 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
•
THREAD CLASS: 2A A
•
HEIGHT: 0.156 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
•
LENGTH: 0.317 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD 1ST MATERIAL RESPONSE OR MIL-M-20693,COMP A,TYPE 1 MIL SPEC 2ND MATERIAL RESPONSE
•
MATERIAL: STEEL COMP 1012 OR PLASTIC POLYHEXAMETHYLENE AMIDE
•
WIDTH: 0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
FURNISHED ITEMS: LOCKNUT
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
HEIGHT0.156 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.112 INCHES IN
LENGTH0.317 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD 1ST MATERIAL RESPONSE OR MIL-M-20693,COMP A,TYPE 1 MIL SPEC 2ND MATERIAL RESPONSE
MATERIALSTEEL COMP 1012 OR PLASTIC POLYHEXAMETHYLENE AMIDE
WIDTH0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
FURNISHED ITEMSLOCKNUT
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
4824H3113742PC409074Interchangeable
interchangeable cross-reference
interchangeable
4824-3130101REVJPCALLInterchangeable
interchangeable cross-reference
interchangeable
409074Interchangeable
interchangeable cross-reference
interchangeable
8328424Interchangeable
interchangeable cross-reference
interchangeable
271166Interchangeable
interchangeable cross-reference
interchangeable
7367670Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 500752?
500752 is a MARKER,IDENTIFICATION.
What parts can replace 500752?
There are 26 known substitutes for 500752: 4824H3113742PC409074, 4824-3130101REVJPCALL, 409074 and 23 more. Substitute compatibility should be verified for your specific system.
Is 500752 still available?
500752 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