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451-B-7512 — WINDOW,OBSERVATION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

451-B-7512: WINDOW,OBSERVATION.

The WINDOW,OBSERVATION is a the manufacturer industrial component. Key specifications include material: PLASTIC ACRYLIC, overall_diameter: 2.000 INCHES NOMINAL IN, style_designator: CIRCULAR, overall_thickness: 0.250 INCHES NOMINAL IN, material_transparency: CLEAR, environmental_protection: HIGH TEMPERATURE RESISTANT. This part is cataloged in the U.S.

Government catalog under NSN 9330-01-243-6903, 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
451-B-7512
NSN: 9330-01-243-6903
FSC: 9330 — Plastics Fabricated Materials
CAGE: 0EXU3 — AQUA-CHEM, INC. DBA AQUA-CHEM INC (USA)
SPECIFICATIONS
materialPLASTIC ACRYLIC
overall_diameter2.000 INCHES NOMINAL IN
style_designatorCIRCULAR
overall_thickness0.250 INCHES NOMINAL IN
material_transparencyCLEAR
environmental_protectionHIGH TEMPERATURE RESISTANT
material_document_and_classificationMIL-P-5425,FIN. A MIL SPEC SINGLE MATERIAL RESPONSE
NSN9330-01-243-6903
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WINDOW,OBSERVATION TITLE COMPONENT PN 451-B-7512 MFR WINDOW,OBSERVATION
KEY FEATURES
•
OVERALL DIAMETER: 2.000 INCHES NOMINAL IN
•
OVERALL THICKNESS: 0.250 INCHES NOMINAL IN
•
MATERIAL TRANSPARENCY: CLEAR
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-5425,FIN. A MIL SPEC SINGLE MATERIAL RESPONSE
•
ENVIRONMENTAL PROTECTION: HIGH TEMPERATURE RESISTANT
•
MATERIAL: PLASTIC ACRYLIC
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER2.000 INCHES NOMINAL IN
OVERALL THICKNESS0.250 INCHES NOMINAL IN
MATERIAL TRANSPARENCYCLEAR
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-5425,FIN. A MIL SPEC SINGLE MATERIAL RESPONSE
ENVIRONMENTAL PROTECTIONHIGH TEMPERATURE RESISTANT
MATERIALPLASTIC ACRYLIC
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
633-C-7848 ITEM 14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 451-B-7512?
451-B-7512 is a WINDOW,OBSERVATION.
What parts can replace 451-B-7512?
There is 1 known substitute for 451-B-7512: 633-C-7848 ITEM 14. Substitute compatibility should be verified for your specific system.
What is the NSN for 451-B-7512?
451-B-7512 is cataloged in the U.S. Government catalog under NSN 9330-01-243-6903. 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.