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Technical Data Sheet
2858A1 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

REGULATOR,OXYGEN,DILUTER DEMAND. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, inside_diameter: 0.2319 INCHES MINIMUM AND 0.2475 INCHES MAXIMUM IN, style_designator: CYLINDRICAL, spring_free_length: 2.000 INCHES NOMINAL IN, spring_solid_length: 0.875 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1660-00-247-4406, 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
2858A1
NSN: 1660-00-247-4406
FSC: 1660
CAGE: 99551 — GOODRICH CORPORATION DBA GOODRICH CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
inside_diameter0.2319 INCHES MINIMUM AND 0.2475 INCHES MAXIMUM IN
style_designatorCYLINDRICAL
spring_free_length2.000 INCHES NOMINAL IN
spring_solid_length0.875 INCHES MAXIMUM IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
accommodated_rod_diameter0.188 INCHES NOMINAL IN
spring_free_outside_diameter0.4219 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
NSN1660-00-247-4406
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REGULATOR,OXYGEN,DILUTER DEMAND TITLE COMPONENT PN 2858A1 MFR REGULATOR,OXYGEN,DILUT
KEY FEATURES
INSTALLATION DESIGN: NONPORTABLE
TECHNICAL CHARACTERISTICS (FLIS)
INSTALLATION DESIGNNONPORTABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
245346Interchangeable
interchangeable cross-reference
interchangeable
305403Interchangeable
interchangeable cross-reference
interchangeable
370SZ13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2858A1?
2858A1 is a REGULATOR,OXYGEN,DILUTER DEMAND.
What parts can replace 2858A1?
There are 3 known substitutes for 2858A1: 245346, 305403, 370SZ13. Substitute compatibility should be verified for your specific system.
What is the NSN for 2858A1?
2858A1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1660-00-247-4406. This indicates validated use in U.S. government and defense supply chains.
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