04991N — WINDOW,OBSERVATION

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

04991N: WINDOW,OBSERVATION.

The WINDOW,OBSERVATION is a the manufacturer industrial component. Key specifications include material: GLASS, special_features: LOW LEVEL AND HIGH LEVEL MARKING, style_designator: CIRCULAR, features_provided: FRAME, material_transparency: CLEAR. This part is cataloged in the U.S.

Government catalog under NSN 9340-01-295-9934, 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

04991N

NSN: 9340-01-295-9934
FSC: 9340 — Glass Fabricated Materials
CAGE: 42138 — HARBORMASTER MARINE, INC (USA)

SPECIFICATIONS

material	GLASS
special_features	LOW LEVEL AND HIGH LEVEL MARKING
style_designator	CIRCULAR
features_provided	FRAME
material_transparency	CLEAR
NSN	9340-01-295-9934

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL TRANSPARENCY: CLEAR

•

STYLE DESIGNATOR: CIRCULAR

•

FEATURES PROVIDED: FRAME

•

MATERIAL: GLASS

TECHNICAL CHARACTERISTICS

MATERIAL TRANSPARENCY	CLEAR
STYLE DESIGNATOR	CIRCULAR
FEATURES PROVIDED	FRAME
SPECIAL FEATURES	LOW LEVEL AND HIGH LEVEL MARKING
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 1

27711-N ITEM 04991NSame 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 04991N?

04991N is a WINDOW,OBSERVATION.

What parts can replace 04991N?

There is 1 known substitute for 04991N: 27711-N ITEM 04991N. Substitute compatibility should be verified for your specific system.

What is the NSN for 04991N?

04991N is cataloged in the U.S. Government catalog under NSN 9340-01-295-9934. This indicates validated use in U.S. government and defense supply chains.

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04991N — WINDOW,OBSERVATION

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