Window, Observation9340-01-398-1463

NSN 9340-01-398-1463 · NIIN 013981463 · Part number 8909-700-138

The Entwistle Company Llc · FSC 9340 — Glass Fabricated Materials · FSG 93 — Nonmetallic Fabricated Materials · CAGE 20722

Government record, cited

NSN 9340-01-398-1463 — this item is cataloged by the U.S. Government under National Stock Number 9340-01-398-1463. Manufacturer of record part number: 8909-700-138.

Also searched as 9340-01-398-1463 · 9340013981463 · NIIN 013981463 · 01-398-1463 · FSC 9340 Glass Fabricated Materials · CAGE 20722 · 8909-700-138

Nearby stock numbers ← 9340-01-397-9989 · 9340-01-398-1468 Window, Observation →

Features

Window,observation — FSC 9340
Overall Thickness: 0.250 INCHES NOMINAL IN
Style Designator: ROUNDED CORNERS
Material: GLASS
1 manufacturer part number on file
Manufacturer of record: The Entwistle Company Llc

Identification

NSN: 9340-01-398-1463
NIIN: 013981463
FSC: 9340 — Glass Fabricated Materials
FSG: 93 — Nonmetallic Fabricated Materials
Primary part number: 8909-700-138
Manufacturer: The Entwistle Company Llc

General Description

The Window,observation, cataloged under National Stock Number 9340-01-398-1463, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is The Entwistle Company Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	9340-01-398-1463
Primary Part Number	8909-700-138
Item Name	Window,observation
FSC / FSG	9340 / 93 — Glass Fabricated Materials
Manufacturer	The Entwistle Company Llc
Status	ACTIVE
Overall Thickness	0.250 INCHES NOMINAL IN
Style Designator	ROUNDED CORNERS
Material	GLASS

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

Part Number	Manufacturer
8909-700-138 PRIMARY	The Entwistle Company Llc (USA)

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 9340-01-398-1463?

NSN 9340-01-398-1463 is a Window,observation, manufactured by The Entwistle Company Llc, classified under FSC 9340, Glass Fabricated Materials. Status: active.

What part numbers are listed for NSN 9340-01-398-1463?

NSN 9340-01-398-1463 has 1 manufacturer part number on file: 8909-700-138 (The Entwistle Company Llc).

What are the specifications of 8909-700-138?

Key specifications for 8909-700-138: Overall Thickness: 0.250 INCHES NOMINAL IN; Style Designator: ROUNDED CORNERS; Overall Length: 23.930 INCHES NOMINAL IN; Overall Width: 23.800 INCHES NOMINAL IN. 3 specifications are documented in the U.S. Government catalog.

Is NSN 9340-01-398-1463 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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