1259860 — WINDOW,OBSERVATION

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

1259860: WINDOW,OBSERVATION.

The WINDOW,OBSERVATION is a the manufacturer industrial component. Key specifications include edge_type: BEVELED, surface_finish: POLISHED, overall_diameter: 12.000 INCHES NOMINAL IN, style_designator: CIRCULAR, overall_thickness: 0.062 INCHES NOMINAL IN, material_transparency: CLEAR. This part is cataloged in the U.S.

Government catalog under NSN 9340-00-540-9049, 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

1259860

NSN: 9340-00-540-9049
FSC: 9340 — Glass Fabricated Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

edge_type	BEVELED
ply_quantity	1
surface_finish	POLISHED
overall_diameter	12.000 INCHES NOMINAL IN
special_features	TWO ETCHED MARKINGS 0.010 IN. WIDE WHITE FILLED AT RIGHT ANGLES TO EACH OTHER AND BISECTING THE WINDOW ONE EXTREMITY OF ONE MARKING TERMINATING IN A SQUARE NOTCH ON THE PERIPHERY IN
style_designator	CIRCULAR
overall_thickness	0.062 INCHES NOMINAL IN
material_transparency	CLEAR
NSN	9340-00-540-9049

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 12.000 INCHES NOMINAL IN

•

SURFACE FINISH: POLISHED

•

OVERALL THICKNESS: 0.062 INCHES NOMINAL IN

•

MATERIAL TRANSPARENCY: CLEAR

•

STYLE DESIGNATOR: CIRCULAR

•

EDGE TYPE: BEVELED

•

PLY QUANTITY: 1

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	12.000 INCHES NOMINAL IN
SURFACE FINISH	POLISHED
OVERALL THICKNESS	0.062 INCHES NOMINAL IN
MATERIAL TRANSPARENCY	CLEAR
STYLE DESIGNATOR	CIRCULAR
EDGE TYPE	BEVELED
PLY QUANTITY	1
SPECIAL FEATURES	TWO ETCHED MARKINGS 0.010 IN. WIDE WHITE FILLED AT RIGHT ANGLES TO EACH OTHER AND BISECTING THE WINDOW ONE EXTREMITY OF ONE MARKING TERMINATING IN A SQUARE NOTCH ON THE PERIPHERY IN

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

1259860REVCReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 1259860?

1259860 is a WINDOW,OBSERVATION.

What parts can replace 1259860?

There is 1 known substitute for 1259860: 1259860REVC. Substitute compatibility should be verified for your specific system.

What is the NSN for 1259860?

1259860 is cataloged in the U.S. Government catalog under NSN 9340-00-540-9049. This indicates validated use in U.S. government and defense supply chains.

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1259860 — WINDOW,OBSERVATION

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