Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The BUTTON,PLUG is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OR STEEL COMP 302, head_height: 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN, overall_height: 0.238 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, surface_treatment: PASSIVATE, material_document_and_classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-326-4608, 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
ST9M478-1
NSN:5340-00-326-4608 FSC:5340 CAGE:76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
material
STEEL COMP 301 OR STEEL COMP 302
head_height
0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
overall_height
0.238 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
prong_quantity
2
surface_treatment
PASSIVATE
material_document_and_classification
MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE
NSN
5340-00-326-4608
COMPONENT DIAGRAM
KEY FEATURES
•
SURFACE TREATMENT: PASSIVATE
•
PRONG QUANTITY: 2
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE
•
HEAD HEIGHT: 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is ST9M478-1?
ST9M478-1 is a BUTTON,PLUG.
What parts can replace ST9M478-1?
There are 15 known substitutes for ST9M478-1: MS20913-2S, 1459-257, 225-12 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST9M478-1?
ST9M478-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-326-4608. This indicates validated use in U.S. government and defense supply chains.
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