PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILG2697TYPEAWindow,observation

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 9340-00-141-7947 · FSC 9340 · No Item Name Available
Verified by PartsTable
NSN 9340-00-141-7947 — this item is cataloged by the U.S. Government under National Stock Number 9340-00-141-7947. Primary manufacturer part number: MILG2697TYPEA.
Features
  • Window,observation — FSC 9340
  • Ply Quantity: 1
  • Material Document and Classification: DD-G-541,TYPE 1,CLASS A FED SPEC SINGLE MATERIAL RESPONSE
  • Nondefinitive Spec/std Data: A TYPE
  • Material Transparency: CLEAR
  • Edge Type: FLAT UNFINISHED
  • Overall Diameter: 4.000 INCHES NOMINAL IN
  • Style Designator: CIRCULAR
Applications
  • Applications requiring Glass construction
General Description

The Window,observation, cataloged under National Stock Number 9340-00-141-7947, is classified within Federal Supply Class 9340 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9340-00-141-7947
Primary Part NumberMILG2697TYPEA
Item NameWindow,observation
FSC / FSG9340 / 93 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Ply Quantity1
Material Document and ClassificationDD-G-541,TYPE 1,CLASS A FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std DataA TYPE
Material TransparencyCLEAR
Edge TypeFLAT UNFINISHED
Overall Diameter4.000 INCHES NOMINAL IN
Style DesignatorCIRCULAR
MaterialGLASS
Overall Thickness0.625 INCHES NOMINAL IN
Surface FinishPOLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4210-00-160-9855107666 INTERCHANGEABLE
Plug,hose
Hale Products, Inc.
3110-00-190-9317D-208-325 INTERCHANGEABLE
Bearing,roller,journal
Regal Beloit America, Inc. Dba Rollway Bearing
5935-00-192-4774 INTERCHANGEABLE
Plug,telephone
5975-00-194-95121370 INTERCHANGEABLE
Reducing Washer,knockout
Raco, a Division of Hubbell Incorporated(delaware)
4210-00-240-5541 INTERCHANGEABLE
Plug,hose
2640-00-244-0442073817129 INTERCHANGEABLE
Valve Extension,tire
Schrader-Bridgeport International Inc Dba Schrader Automotive
5360-00-245-5983 INTERCHANGEABLE
Spring,helical,compression
5935-00-258-105610-042214-09P INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corp Div Amphenol Aerospace Operations
9340-00-261-5712 INTERCHANGEABLE
Window,observation
3030-00-269-9709347 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
Cross-Reference Index
Part NumberManufacturer
MILG2697TYPEA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
347 Bendix Corp the (USA)
Related Parts
4210-00-160-9855INTERCHANGEABLE
PLUG,HOSE
107666
3110-00-190-9317INTERCHANGEABLE
BEARING,ROLLER,JOURNAL
D-208-325
5935-00-192-4774INTERCHANGEABLE
PLUG,TELEPHONE
5975-00-194-9512INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
1370
4210-00-240-5541INTERCHANGEABLE
PLUG,HOSE
2640-00-244-0442INTERCHANGEABLE
VALVE EXTENSION,TIRE
073817129
5360-00-245-5983INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5935-00-258-1056INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
10-042214-09P
9340-00-261-5712INTERCHANGEABLE
WINDOW,OBSERVATION
3030-00-269-9709INTERCHANGEABLE
BELT,V
347
8040-00-281-2308INTERCHANGEABLE
ADHESIVE
10-347
9340-00-290-7134INTERCHANGEABLE
WINDOW,OBSERVATION

Frequently Asked Questions

What is NSN 9340-00-141-7947?

NSN 9340-00-141-7947 is a Window,observation, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 9340 (No Item Name Available). Status: active.

What are the part numbers for NSN 9340-00-141-7947?

NSN 9340-00-141-7947 has 2 cross-referenced part numbers: MILG2697TYPEA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 347 (Bendix Corp the).

What NSN replaces 9340-00-141-7947?

There are 12 known substitutes for 9340-00-141-7947: 4210-00-160-9855, 3110-00-190-9317, 5935-00-192-4774 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILG2697TYPEA?

Key specifications for MILG2697TYPEA: Ply Quantity: 1; Material Document and Classification: DD-G-541,TYPE 1,CLASS A FED SPEC SINGLE MATERIAL RESPONSE; Nondefinitive Spec/std Data: A TYPE; Material Transparency: CLEAR. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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