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475870 — REGULATOR,RESPIRATOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

475870: REGULATOR,RESPIRATOR.

The REGULATOR,RESPIRATOR is a the manufacturer industrial component. Key specifications include criticality_code_justification: TEXT, general_characteristics_item_description: SOLE SOURCE REQUIRED BY STATUTE 6.302. This part is cataloged in the U.S.

Government catalog under NSN 4240-01-250-8964, 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
475870
NSN: 4240-01-250-8964
FSC: 4240 — Safety and Rescue Equipment
CAGE: 55799 — MINE SAFETY APPLIANCES COMPANY (USA)
SPECIFICATIONS
criticality_code_justificationTEXT
general_characteristics_item_descriptionSOLE SOURCE REQUIRED BY STATUTE 6.302
NSN4240-01-250-8964
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REGULATOR,RESPIRATOR TITLE COMPONENT PN 475870 MFR REGULATOR,RESPIRATOR
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: SOLE SOURCE REQUIRED BY STATUTE 6.302
•
CRITICALITY CODE JUSTIFICATION: TEXT
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSOLE SOURCE REQUIRED BY STATUTE 6.302
CRITICALITY CODE JUSTIFICATIONTEXT
SUBSTITUTES & CROSS-REFERENCES 1
484917Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 475870?
475870 is a REGULATOR,RESPIRATOR.
What parts can replace 475870?
There is 1 known substitute for 475870: 484917. Substitute compatibility should be verified for your specific system.
What is the NSN for 475870?
475870 is cataloged in the U.S. Government catalog under NSN 4240-01-250-8964. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.