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278699PC4 — FILTER,LIGHT,TELESCOPIC INSTRUME

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

278699PC4: FILTER,LIGHT,TELESCOPIC INSTRUME.

FILTER,LIGHT,TELESCOPIC INSTRUME. Key specifications include material: GLASS SURFACE, overall_diameter: 24.0 MILLIMETERS NOMINAL MM, overall_thickness: 6.0 MILLIMETERS NOMINAL MM, density_variability: NOT VARIABLE, end_item_identification: RANGEFINDER MK51, viewing_surface_overall_diameter: 22.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 1240-00-026-8133, 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
278699PC4
NSN: 1240-00-026-8133
FSC: 1240 — Optical Sighting and Ranging Equipment
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialGLASS SURFACE
overall_diameter24.0 MILLIMETERS NOMINAL MM
overall_thickness6.0 MILLIMETERS NOMINAL MM
density_variabilityNOT VARIABLE
end_item_identificationRANGEFINDER MK51
viewing_surface_overall_diameter22.0 MILLIMETERS NOMINAL MM
NSN1240-00-026-8133
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,LIGHT,TELESCOPIC INSTRUME TITLE COMPONENT PN 278699PC4 MFR FILTER,LIGHT,TELESCOPI
KEY FEATURES
•
OVERALL DIAMETER: 24.0 MILLIMETERS NOMINAL MM
•
OVERALL THICKNESS: 6.0 MILLIMETERS NOMINAL MM
•
VIEWING SURFACE OVERALL DIAMETER: 22.0 MILLIMETERS NOMINAL MM
•
DENSITY VARIABILITY: NOT VARIABLE
•
MATERIAL: GLASS SURFACE
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER24.0 MILLIMETERS NOMINAL MM
OVERALL THICKNESS6.0 MILLIMETERS NOMINAL MM
VIEWING SURFACE OVERALL DIAMETER22.0 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATIONRANGEFINDER MK51
DENSITY VARIABILITYNOT VARIABLE
MATERIALGLASS SURFACE
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 278699PC4?
278699PC4 is a FILTER,LIGHT,TELESCOPIC INSTRUME.
What is the NSN for 278699PC4?
278699PC4 is cataloged in the U.S. Government catalog under NSN 1240-00-026-8133. 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.