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GLS-34 — WINDOW,OBSERVATION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

GLS-34: WINDOW,OBSERVATION.

The WINDOW,OBSERVATION is a the manufacturer industrial component. Key specifications include material: GLASS, overall_diameter: 3.000 INCHES NOMINAL IN, special_features: FIVE 0.265 IN. DIA.

HOLES EQUALLY SPACED ON 2.500 IN. BOLT CIRCLE DIA. IN, style_designator: CIRCULAR, overall_thickness: 0.375 INCHES NOMINAL IN, material_transparency: CLEAR.

This part is cataloged in the U.S. Government catalog under NSN 9340-00-891-3003, 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
GLS-34
NSN: 9340-00-891-3003
FSC: 9340 — Glass Fabricated Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialGLASS
overall_diameter3.000 INCHES NOMINAL IN
special_featuresFIVE 0.265 IN. DIA. HOLES EQUALLY SPACED ON 2.500 IN. BOLT CIRCLE DIA. IN
style_designatorCIRCULAR
overall_thickness0.375 INCHES NOMINAL IN
material_transparencyCLEAR
minimum_tensile_strength1500 POUNDS PER SQUARE INCH LBS
NSN9340-00-891-3003
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WINDOW,OBSERVATION TITLE COMPONENT PN GLS-34 MFR WINDOW,OBSERVATION
KEY FEATURES
•
OVERALL DIAMETER: 3.000 INCHES NOMINAL IN
•
OVERALL THICKNESS: 0.375 INCHES NOMINAL IN
•
MATERIAL TRANSPARENCY: CLEAR
•
STYLE DESIGNATOR: CIRCULAR
•
MINIMUM TENSILE STRENGTH: 1500 POUNDS PER SQUARE INCH LBS
•
MATERIAL: GLASS
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER3.000 INCHES NOMINAL IN
OVERALL THICKNESS0.375 INCHES NOMINAL IN
MATERIAL TRANSPARENCYCLEAR
STYLE DESIGNATORCIRCULAR
SPECIAL FEATURESFIVE 0.265 IN. DIA. HOLES EQUALLY SPACED ON 2.500 IN. BOLT CIRCLE DIA. IN
MINIMUM TENSILE STRENGTH1500 POUNDS PER SQUARE INCH LBS
MATERIALGLASS
OTHER ITEMS IN FSC 9340 — Glass Fabricated Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
9340-00-001-2702 9340-00-001-3590 9340-00-001-3591 9340-00-001-3592 9340-00-003-0380 9340-00-003-1497 9340-00-003-1553 9340-00-003-7325
SUBSTITUTES & CROSS-REFERENCES 2
GLSReference document
Same NSN cross-reference
Reference document — Secondary reference
18-60100Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GLS-34?
GLS-34 is a WINDOW,OBSERVATION.
What parts can replace GLS-34?
There are 2 known substitutes for GLS-34: GLS, 18-60100. Substitute compatibility should be verified for your specific system.
What is the NSN for GLS-34?
GLS-34 is cataloged in the U.S. Government catalog under NSN 9340-00-891-3003. 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.