The PLUG,BREATHER is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, end_item_identification: CRYPTOGRAPHIC UNITS, part_name_assigned_by_controlling_agency: PLUG,BREATHER. This part is cataloged in the U.S.
Government catalog under NSN 4730-01-667-3995, 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
521839
NSN:4730-01-667-3995 FSC:4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings CAGE:37695 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
material
ALUMINUM ALLOY
end_item_identification
CRYPTOGRAPHIC UNITS
part_name_assigned_by_controlling_agency
PLUG,BREATHER
NSN
4730-01-667-3995
COMPONENT DIAGRAM
KEY FEATURES
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCY
PLUG,BREATHER
END ITEM IDENTIFICATION
CRYPTOGRAPHIC UNITS
MATERIAL
ALUMINUM ALLOY
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 521839?
521839 is a PLUG,BREATHER.
What parts can replace 521839?
There is 1 known substitute for 521839: 5218391. Substitute compatibility should be verified for your specific system.
What is the NSN for 521839?
521839 is cataloged in the U.S. Government catalog under NSN 4730-01-667-3995. This indicates validated use in U.S. government and defense supply chains.
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