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PartsTable / COMPONENT / 1551AS555-1
1551AS555-1 ✓ 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: PLASTIC ACRYLIC, overall_width: 6.880 INCHES NOMINAL IN, overall_length: 10.630 INCHES NOMINAL IN, special_features: ANTI-GLARE SURFACE ONE SIDE,EDGE GASKET, style_designator: SQUARE CORNERS, overall_thickness: 0.250 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 9330-01-297-3891, 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
1551AS555-1
NSN: 9330-01-297-3891
FSC: 9330
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialPLASTIC ACRYLIC
overall_width6.880 INCHES NOMINAL IN
overall_length10.630 INCHES NOMINAL IN
special_featuresANTI-GLARE SURFACE ONE SIDE,EDGE GASKET
style_designatorSQUARE CORNERS
overall_thickness0.250 INCHES NOMINAL IN
material_transparencyCLEAR
NSN9330-01-297-3891
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WINDOW,OBSERVATION TITLE COMPONENT PN 1551AS555-1 MFR WINDOW,OBSERVATION
KEY FEATURES
•
MATERIAL: PLASTIC ACRYLIC
•
STYLE DESIGNATOR: SQUARE CORNERS
•
OVERALL THICKNESS: 0.250 INCHES NOMINAL IN
•
MATERIAL TRANSPARENCY: CLEAR
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH10.630 INCHES NOMINAL IN
MATERIALPLASTIC ACRYLIC
STYLE DESIGNATORSQUARE CORNERS
SPECIAL FEATURESANTI-GLARE SURFACE ONE SIDE,EDGE GASKET
OVERALL THICKNESS0.250 INCHES NOMINAL IN
MATERIAL TRANSPARENCYCLEAR
OVERALL WIDTH6.880 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
66541Interchangeable
interchangeable cross-reference
interchangeable
6B242S100Interchangeable
interchangeable cross-reference
interchangeable
ASME B94.51MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1551AS555-1?
1551AS555-1 is a WINDOW,OBSERVATION.
What parts can replace 1551AS555-1?
There are 3 known substitutes for 1551AS555-1: 66541, 6B242S100, ASME B94.51M. Substitute compatibility should be verified for your specific system.
What is the NSN for 1551AS555-1?
1551AS555-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 9330-01-297-3891. 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