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181146PC12 — FILTER,LIGHT,OPTICAL INSTRUMENT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

181146PC12: FILTER,LIGHT,OPTICAL INSTRUMENT.

FILTER,LIGHT,OPTICAL INSTRUMENT. Key specifications include diameter: 38.5 MILLIMETERS NOMINAL MM, material: GLASS SURFACE, thickness: 1.6 MILLIMETERS MINIMUM AND 1.9 MILLIMETERS MAXIMUM MM, special_features: CLEAR COLOR, density_variability: NOT VARIABLE, end_item_identification: PERISCOPE MK23. This part is cataloged in the U.S.

Government catalog under NSN 1240-00-025-0165, 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
181146PC12
NSN: 1240-00-025-0165
FSC: 1240 — Optical Sighting and Ranging Equipment
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
diameter38.5 MILLIMETERS NOMINAL MM
materialGLASS SURFACE
thickness1.6 MILLIMETERS MINIMUM AND 1.9 MILLIMETERS MAXIMUM MM
special_featuresCLEAR COLOR
density_variabilityNOT VARIABLE
end_item_identificationPERISCOPE MK23
NSN1240-00-025-0165
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,LIGHT,OPTICAL INSTRUMENT TITLE COMPONENT PN 181146PC12 MFR FILTER,LIGHT,OPTICAL I
KEY FEATURES
•
DIAMETER: 38.5 MILLIMETERS NOMINAL MM
•
DENSITY VARIABILITY: NOT VARIABLE
•
MATERIAL: GLASS SURFACE
•
THICKNESS: 1.6 MILLIMETERS MINIMUM AND 1.9 MILLIMETERS MAXIMUM MM
TYPICAL APPLICATIONS
  • Data center switch-to-switch interconnects
  • Server-to-storage fabric connectivity
  • Long-distance fiber optic links
  • High-speed uplink connections (10G/25G/40G/100G)
TECHNICAL CHARACTERISTICS
DIAMETER38.5 MILLIMETERS NOMINAL MM
SPECIAL FEATURESCLEAR COLOR
END ITEM IDENTIFICATIONPERISCOPE MK23
DENSITY VARIABILITYNOT VARIABLE
MATERIALGLASS SURFACE
THICKNESS1.6 MILLIMETERS MINIMUM AND 1.9 MILLIMETERS MAXIMUM MM
OTHER ITEMS IN FSC 1240 — Optical Sighting and Ranging Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1240-00-000-0160 1240-00-001-4014 1240-00-001-4015 1240-00-001-4488 1240-00-003-1076 1240-00-003-8404 1240-00-003-8405 1240-00-003-8406
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedDemilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 181146PC12?
181146PC12 is a FILTER,LIGHT,OPTICAL INSTRUMENT.
What is the NSN for 181146PC12?
181146PC12 is cataloged in the U.S. Government catalog under NSN 1240-00-025-0165. 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.