Window, Observation9340-00-188-4101

NSN 9340-00-188-4101 · NIIN 001884101

FSC 9340 — Glass Fabricated Materials · FSG 93 — Nonmetallic Fabricated Materials

Government record, cited

Also searched as 9340-00-188-4101 · 9340001884101 · NIIN 001884101 · 00-188-4101 · FSC 9340 Glass Fabricated Materials

Nearby stock numbers ← 9340-00-187-6073 · 9340-00-191-9866 Window, Observation →

Features

Window,observation — FSC 9340
Fourth Corner Radius: 0.120 INCHES NOMINAL IN
First Corner Radius: 0.120 INCHES NOMINAL IN
Insulating Air Space Material Arrangement: GLASS TO GLASS
Second Corner Radius: 0.120 INCHES NOMINAL IN
Surface Finish: POLISHED
Overall Thickness: 0.250 INCHES NOMINAL IN
Material Transparency: OPAQUE

Identification

NSN: 9340-00-188-4101
NIIN: 001884101
FSC: 9340 — Glass Fabricated Materials
FSG: 93 — Nonmetallic Fabricated Materials

General Description

The Window,observation, cataloged under National Stock Number 9340-00-188-4101, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	9340-00-188-4101
Item Name	Window,observation
FSC / FSG	9340 / 93 — Glass Fabricated Materials
Status	ACTIVE
Fourth Corner Radius	0.120 INCHES NOMINAL IN
First Corner Radius	0.120 INCHES NOMINAL IN
Insulating Air Space Material Arrangement	GLASS TO GLASS
Second Corner Radius	0.120 INCHES NOMINAL IN
Surface Finish	POLISHED
Overall Thickness	0.250 INCHES NOMINAL IN
Material Transparency	OPAQUE
Style Designator	ROUNDED CORNERS
Features Provided	TEMPERED
Edge Type	FLAT FINISH
Ply Quantity	2
Material	GLASS
Third Corner Radius	0.120 INCHES NOMINAL IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
68C29065-01	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

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

WINDOW,OBSERVATION

9340-00-001-3590

WINDOW,OBSERVATION

9340-00-001-3591

WINDOW,ELECTRICALL

9340-00-001-3592

WINDOW,OBSERVATION

9340-00-003-0380

WINDOW,OBSERVATION

9340-00-003-1497

9340-00-003-1497 · Item name not on file

9340-00-003-1553

9340-00-003-1553 · Item name not on file

9340-00-003-7325

9340-00-003-7325 · Item name not on file

Frequently Asked Questions

What is NSN 9340-00-188-4101?

NSN 9340-00-188-4101 is a Window,observation, classified under FSC 9340, Glass Fabricated Materials. Status: active.

What are the specifications of 9340-00-188-4101?

Key specifications for 9340-00-188-4101: Fourth Corner Radius: 0.120 INCHES NOMINAL IN; First Corner Radius: 0.120 INCHES NOMINAL IN; Insulating Air Space Material Arrangement: GLASS TO GLASS; Second Corner Radius: 0.120 INCHES NOMINAL IN. 13 specifications are documented in the U.S. Government catalog.

Is NSN 9340-00-188-4101 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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