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186300PC44 — WINDOW,OBSERVATION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

186300PC44: WINDOW,OBSERVATION.

The WINDOW,OBSERVATION is a the manufacturer industrial component. Key specifications include material: GLASS, edge_type: BEVELED, overall_diameter: 1.862 INCHES MINIMUM AND 1.916 INCHES MAXIMUM IN, special_features: 45.0 DEG BY 0.047 IN DEEP CHAMFER ON EDGE OF BOTH SIDES IN, style_designator: CIRCULAR, overall_thickness: 0.360 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 9340-00-275-2690, 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
186300PC44
NSN: 9340-00-275-2690
FSC: 9340 — Glass Fabricated Materials
CAGE: 66935 — JOHNSON CONTROLS NAVY SYSTEMS, LLC (USA)
SPECIFICATIONS
materialGLASS
edge_typeBEVELED
overall_diameter1.862 INCHES MINIMUM AND 1.916 INCHES MAXIMUM IN
special_features45.0 DEG BY 0.047 IN DEEP CHAMFER ON EDGE OF BOTH SIDES IN
style_designatorCIRCULAR
overall_thickness0.360 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
material_transparencyCLEAR
NSN9340-00-275-2690
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WINDOW,OBSERVATION TITLE COMPONENT PN 186300PC44 MFR WINDOW,OBSERVATION
KEY FEATURES
•
OVERALL DIAMETER: 1.862 INCHES MINIMUM AND 1.916 INCHES MAXIMUM IN
•
OVERALL THICKNESS: 0.360 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
•
MATERIAL TRANSPARENCY: CLEAR
•
STYLE DESIGNATOR: CIRCULAR
•
EDGE TYPE: BEVELED
•
MATERIAL: GLASS
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.862 INCHES MINIMUM AND 1.916 INCHES MAXIMUM IN
OVERALL THICKNESS0.360 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
MATERIAL TRANSPARENCYCLEAR
STYLE DESIGNATORCIRCULAR
EDGE TYPEBEVELED
SPECIAL FEATURES45.0 DEG BY 0.047 IN DEEP CHAMFER ON EDGE OF BOTH SIDES IN
MATERIALGLASS
SUBSTITUTES & CROSS-REFERENCES 9
408682PC4Reference document
Same NSN cross-reference
Reference document — Secondary reference
186310BPC44Reference document
Same NSN cross-reference
Reference document — Secondary reference
401753PC44Reference document
Same NSN cross-reference
Reference document — Secondary reference
448783PC44Reference document
Same NSN cross-reference
Reference document — Secondary reference
409084PC44Reference document
Same NSN cross-reference
Reference document — Secondary reference
437847PC44Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 186300PC44?
186300PC44 is a WINDOW,OBSERVATION.
What parts can replace 186300PC44?
There are 9 known substitutes for 186300PC44: 408682PC4, 186310BPC44, 401753PC44 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 186300PC44?
186300PC44 is cataloged in the U.S. Government catalog under NSN 9340-00-275-2690. 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.