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PartsTable / COMPONENT / 451905
451905 ✓ 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

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: STEEL BALL, alignment_type: RIGID, overall_height: 9.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND, style_designator: GROOVED RACE SURFACE, bore_smallest_diameter: 15.0 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1350-00-038-6944, 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
451905
NSN: 1350-00-038-6944
FSC: 1350
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL BALL
alignment_typeRIGID
overall_height9.0 MILLIMETERS NOMINAL MM
surface_finishGROUND
style_designatorGROOVED RACE SURFACE
bore_smallest_diameter15.0 MILLIMETERS NOMINAL MM
overall_outside_diameter26.0 MILLIMETERS NOMINAL MM
standard_tolerance_designationAFBMA STD TOLERANCE FOR THRUST BEARINGS
thrust_directional_capability_designationSINGLE
NSN1350-00-038-6944
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,REGULATING,FLUID PRESSURE TITLE COMPONENT PN 451905 MFR VALVE,REGULATING,FLUID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
PC9434171Interchangeable
interchangeable cross-reference
interchangeable
042989Interchangeable
interchangeable cross-reference
interchangeable
5150965Interchangeable
interchangeable cross-reference
interchangeable
673094-105Interchangeable
interchangeable cross-reference
interchangeable
45190-5Interchangeable
interchangeable cross-reference
interchangeable
9437108Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 451905?
451905 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 451905?
There are 7 known substitutes for 451905: PC9434171, 042989, 5150965 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 451905?
451905 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1350-00-038-6944. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026