Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.600 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2024 OVERALL, style_designator: INTERNALLY THREADED FULL LENGTH, surface_treatment: CHROMATE OVERALL, cross-sectional_shape: ROUND, surface_treatment_document_and_classification: MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-106-1304, 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.
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FREQUENTLY ASKED QUESTIONS
What is 21257E?
21257E is a STANDOFF,THREADED,SPACING.
What parts can replace 21257E?
There are 11 known substitutes for 21257E: S3Y30PL, 212-57, 1880-0002 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21257E?
21257E is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-106-1304. This indicates validated use in U.S. government and defense supply chains.
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