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SM-B-540988 — WINDOW,OBSERVATION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

SM-B-540988: WINDOW,OBSERVATION.

The WINDOW,OBSERVATION is a the manufacturer industrial component. Key specifications include material: GLASS LAMINATE, edge_type: FLAT FINISH, overall_width: 0.214 INCHES NOMINAL IN, overall_length: 1.577 INCHES NOMINAL IN, style_designator: SQUARE CORNERS, overall_thickness: 0.014 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 9340-01-038-2176, 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
SM-B-540988
NSN: 9340-01-038-2176
FSC: 9340 — Glass Fabricated Materials
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialGLASS LAMINATE
edge_typeFLAT FINISH
overall_width0.214 INCHES NOMINAL IN
overall_length1.577 INCHES NOMINAL IN
style_designatorSQUARE CORNERS
overall_thickness0.014 INCHES NOMINAL IN
fsc_application_dataRADAR EQUIPMENT,NON-AIRBORNE
material_transparencyCLEAR
NSN9340-01-038-2176
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WINDOW,OBSERVATION TITLE COMPONENT PN SM-B-540988 MFR WINDOW,OBSERVATION
KEY FEATURES
•
FSC APPLICATION DATA: RADAR EQUIPMENT,NON-AIRBORNE
•
OVERALL THICKNESS: 0.014 INCHES NOMINAL IN
•
MATERIAL TRANSPARENCY: CLEAR
•
STYLE DESIGNATOR: SQUARE CORNERS
•
EDGE TYPE: FLAT FINISH
•
MATERIAL: GLASS LAMINATE
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATARADAR EQUIPMENT,NON-AIRBORNE
OVERALL THICKNESS0.014 INCHES NOMINAL IN
MATERIAL TRANSPARENCYCLEAR
STYLE DESIGNATORSQUARE CORNERS
OVERALL LENGTH1.577 INCHES NOMINAL IN
OVERALL WIDTH0.214 INCHES NOMINAL IN
EDGE TYPEFLAT FINISH
MATERIALGLASS LAMINATE
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 1
5840010382176Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 SM-B-540988?
SM-B-540988 is a WINDOW,OBSERVATION.
What parts can replace SM-B-540988?
There is 1 known substitute for SM-B-540988: 5840010382176. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-B-540988?
SM-B-540988 is cataloged in the U.S. Government catalog under NSN 9340-01-038-2176. 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.