B2623-2 — WINDOW,OBSERVATION

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

B2623-2: WINDOW,OBSERVATION.

The WINDOW,OBSERVATION is a the manufacturer industrial component. Key specifications include material: GLASS, edge_type: FLAT UNFINISHED, surface_finish: POLISHED, overall_diameter: 4.000 INCHES NOMINAL IN, style_designator: CIRCULAR, overall_thickness: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 9340-00-142-0979, 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

B2623-2

NSN: 9340-00-142-0979
FSC: 9340 — Glass Fabricated Materials
CAGE: 95094 — CLARK-RELIANCE LLC DBA JACOBY-TARBOX (USA)

SPECIFICATIONS

material	GLASS
edge_type	FLAT UNFINISHED
ply_quantity	1
surface_finish	POLISHED
overall_diameter	4.000 INCHES NOMINAL IN
style_designator	CIRCULAR
overall_thickness	0.625 INCHES NOMINAL IN
material_transparency	CLEAR
nondefinitive_spec/std_data	A TYPE
NSN	9340-00-142-0979

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 4.000 INCHES NOMINAL IN

•

SURFACE FINISH: POLISHED

•

OVERALL THICKNESS: 0.625 INCHES NOMINAL IN

•

MATERIAL TRANSPARENCY: CLEAR

•

STYLE DESIGNATOR: CIRCULAR

•

NONDEFINITIVE SPEC/STD DATA: A TYPE

•

EDGE TYPE: FLAT UNFINISHED

•

PLY QUANTITY: 1

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	4.000 INCHES NOMINAL IN
SURFACE FINISH	POLISHED
OVERALL THICKNESS	0.625 INCHES NOMINAL IN
MATERIAL TRANSPARENCY	CLEAR
STYLE DESIGNATOR	CIRCULAR
NONDEFINITIVE SPEC/STD DATA	A TYPE
EDGE TYPE	FLAT UNFINISHED
PLY QUANTITY	1
MATERIAL	GLASS

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 6

417885PCQ3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

35087PCQ3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

MILG2697Reference document

Same NSN cross-reference

Reference document — Identification reference

466333CSPCQ3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

35748PCQ3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

547-59H179PCQ3Reference 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 B2623-2?

B2623-2 is a WINDOW,OBSERVATION.

What parts can replace B2623-2?

There are 6 known substitutes for B2623-2: 417885PCQ3, 35087PCQ3, MILG2697 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for B2623-2?

B2623-2 is cataloged in the U.S. Government catalog under NSN 9340-00-142-0979. This indicates validated use in U.S. government and defense supply chains.

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