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G131320 — WINDOW,OBSERVATION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

G131320: WINDOW,OBSERVATION.

The WINDOW,OBSERVATION is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYCARBONATE, overall_diameter: 2.834 INCHES NOMINAL IN, special_features: WINDOW FURNISHED WITH A KNURLED RING AROUND CIRCUMFERENCE, style_designator: CIRCULAR, overall_thickness: 0.425 INCHES NOMINAL IN, material_transparency: CLEAR. This part is cataloged in the U.S.

Government catalog under NSN 9330-01-161-8030, 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
G131320
NSN: 9330-01-161-8030
FSC: 9330 — Plastics Fabricated Materials
CAGE: 61349 — AMETEK, INC. DIV AEROSPACE & DEFENSE (USA)
SPECIFICATIONS
materialPLASTIC POLYCARBONATE
overall_diameter2.834 INCHES NOMINAL IN
special_featuresWINDOW FURNISHED WITH A KNURLED RING AROUND CIRCUMFERENCE
style_designatorCIRCULAR
overall_thickness0.425 INCHES NOMINAL IN
material_transparencyCLEAR
NSN9330-01-161-8030
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WINDOW,OBSERVATION TITLE COMPONENT PN G131320 MFR WINDOW,OBSERVATION
KEY FEATURES
•
OVERALL DIAMETER: 2.834 INCHES NOMINAL IN
•
OVERALL THICKNESS: 0.425 INCHES NOMINAL IN
•
MATERIAL TRANSPARENCY: CLEAR
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL: PLASTIC POLYCARBONATE
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER2.834 INCHES NOMINAL IN
OVERALL THICKNESS0.425 INCHES NOMINAL IN
MATERIAL TRANSPARENCYCLEAR
STYLE DESIGNATORCIRCULAR
SPECIAL FEATURESWINDOW FURNISHED WITH A KNURLED RING AROUND CIRCUMFERENCE
MATERIALPLASTIC POLYCARBONATE
OTHER ITEMS IN FSC 9330 — Plastics Fabricated Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
9330-00-001-6009 9330-00-003-0266 9330-00-003-1162 9330-00-003-2789 9330-00-003-3321 9330-00-003-6171 9330-00-003-7116 9330-00-003-8580
SUBSTITUTES & CROSS-REFERENCES 1
BG-177Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is G131320?
G131320 is a WINDOW,OBSERVATION.
What parts can replace G131320?
There is 1 known substitute for G131320: BG-177. Substitute compatibility should be verified for your specific system.
What is the NSN for G131320?
G131320 is cataloged in the U.S. Government catalog under NSN 9330-01-161-8030. 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.