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PartsTable / COMPONENT / 35748PCQ3
35748PCQ3 ✓ 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

The WINDOW,OBSERVATION is a the manufacturer industrial component. Key specifications include material: GLASS, edge_type: FLAT UNFINISHED, surface_finish: POLISHED, overall_diameter: 4.000 INCHES NOMINAL IN, style_designator: CIRCULAR, overall_thickness: 0.625 INCHES NOMINAL 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 9340-00-142-0979, 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
35748PCQ3
NSN: 9340-00-142-0979
FSC: 9340
CAGE: 81316 — PORTSMOUTH NAVAL SHIPYARD (USA)
SPECIFICATIONS
materialGLASS
edge_typeFLAT UNFINISHED
ply_quantity1
surface_finishPOLISHED
overall_diameter4.000 INCHES NOMINAL IN
style_designatorCIRCULAR
overall_thickness0.625 INCHES NOMINAL IN
material_transparencyCLEAR
nondefinitive_spec/std_dataA TYPE
NSN9340-00-142-0979
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WINDOW,OBSERVATION TITLE COMPONENT PN 35748PCQ3 MFR WINDOW,OBSERVATION
KEY FEATURES
•
SURFACE FINISH: POLISHED
•
STYLE DESIGNATOR: CIRCULAR
•
NONDEFINITIVE SPEC/STD DATA: A TYPE
•
MATERIAL: GLASS
•
EDGE TYPE: FLAT UNFINISHED
•
OVERALL THICKNESS: 0.625 INCHES NOMINAL IN
•
MATERIAL TRANSPARENCY: CLEAR
•
OVERALL DIAMETER: 4.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHPOLISHED
STYLE DESIGNATORCIRCULAR
NONDEFINITIVE SPEC/STD DATAA TYPE
MATERIALGLASS
EDGE TYPEFLAT UNFINISHED
OVERALL THICKNESS0.625 INCHES NOMINAL IN
MATERIAL TRANSPARENCYCLEAR
OVERALL DIAMETER4.000 INCHES NOMINAL IN
PLY QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
417885PCQ3Interchangeable
Same NIIN cross-reference
interchangeable
35087PCQ3Interchangeable
Same NIIN cross-reference
interchangeable
MILG2697Interchangeable
Same NIIN cross-reference
interchangeable
466333CSPCQ3Interchangeable
Same NIIN cross-reference
interchangeable
B2623-2Interchangeable
Same NIIN cross-reference
interchangeable
547-59H179PCQ3Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 35748PCQ3?
35748PCQ3 is a WINDOW,OBSERVATION.
What parts can replace 35748PCQ3?
There are 6 known substitutes for 35748PCQ3: 417885PCQ3, 35087PCQ3, MILG2697 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 35748PCQ3?
35748PCQ3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 9340-00-142-0979. 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