PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40-1-07Window,observation

Brooks Instrument Llc · NSN 9340-00-261-9950 · FSC 9340 · No Item Name Available
Verified by PartsTable
NSN 9340-00-261-9950 — this item is cataloged by the U.S. Government under National Stock Number 9340-00-261-9950. Primary manufacturer part number: 40-1-07.
Features
  • Window,observation — FSC 9340
  • Material: GLASS SAFETY
  • Style Designator: SQUARE CORNERS
  • Material Transparency: CLEAR
  • Ply Quantity: 2
  • Overall Thickness: 0.250 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Brooks Instrument Llc
Applications
  • Applications requiring Glass Safety construction
General Description

The Window,observation, cataloged under National Stock Number 9340-00-261-9950, is classified within Federal Supply Class 9340 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Brooks Instrument Llc. Government technical data includes 5 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
NSN9340-00-261-9950
Primary Part Number40-1-07
Item NameWindow,observation
FSC / FSG9340 / 93 — No Item Name Available
ManufacturerBrooks Instrument Llc
StatusACTIVE
MaterialGLASS SAFETY
Style DesignatorSQUARE CORNERS
Material TransparencyCLEAR
Ply Quantity2
Overall Thickness0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-155-6403 INTERCHANGEABLE
Bearing,ball,annular
4730-00-403-468901045008 INTERCHANGEABLE
Flange,pipe
Nibco Inc Chemtrol Div
2805-00-528-639740107A INTERCHANGEABLE
Valve,poppet,engine
Dana Off Highway Products, Llc
5330-00-799-19504010-7 INTERCHANGEABLE
Retainer,packing
Hamilton Sundstrand Corporation
6930-01-078-1443 INTERCHANGEABLE
Speed Recorder Assy
4820-01-150-4901628-01 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-152-513640107-101 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4130-01-201-0389 INTERCHANGEABLE
Conversion Kit
4820-01-384-8872626-01 INTERCHANGEABLE
Disk,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-435-739640107 INTERCHANGEABLE
Parts Kit,pressure Regulating VA
Circor Aerospace, Inc. Dba Circor Aerospace Inc
Cross-Reference Index
Part NumberManufacturer
40-1-07 Brooks Instrument Llc (USA)
40-1-07 Emerson Electric Co Dba Brooks Instrument Division (USA)
Related Parts
3110-00-155-6403INTERCHANGEABLE
BEARING,BALL,ANNULAR
4730-00-403-4689INTERCHANGEABLE
FLANGE,PIPE
01045008
2805-00-528-6397INTERCHANGEABLE
VALVE,POPPET,ENGINE
40107A
5330-00-799-1950INTERCHANGEABLE
RETAINER,PACKING
4010-7
6930-01-078-1443INTERCHANGEABLE
SPEED RECORDER ASSY
4820-01-150-4901INTERCHANGEABLE
SEAT,VALVE
628-01
4820-01-152-5136INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40107-101
4130-01-201-0389INTERCHANGEABLE
CONVERSION KIT
4820-01-384-8872INTERCHANGEABLE
DISK,VALVE
626-01
4820-01-435-7396INTERCHANGEABLE
PARTS KIT,PRESSURE REGULATING VA
40107
8465-01-565-4019INTERCHANGEABLE
HYDRATION SYSTEM
40107
5120-01-649-8899INTERCHANGEABLE
HANDLE,GRINDER
40107

Frequently Asked Questions

What is NSN 9340-00-261-9950?

NSN 9340-00-261-9950 is a Window,observation, manufactured by Brooks Instrument Llc, classified under FSC 9340 (No Item Name Available). Status: active.

What are the part numbers for NSN 9340-00-261-9950?

NSN 9340-00-261-9950 has 2 cross-referenced part numbers: 40-1-07 (Brooks Instrument Llc), 40-1-07 (Emerson Electric Co Dba Brooks Instrument Division).

What NSN replaces 9340-00-261-9950?

There are 12 known substitutes for 9340-00-261-9950: 3110-00-155-6403, 4730-00-403-4689, 2805-00-528-6397 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40-1-07?

Key specifications for 40-1-07: Overall Width: 2.812 INCHES MINIMUM AND 2.875 INCHES MAXIMUM IN; Material: GLASS SAFETY; Style Designator: SQUARE CORNERS; Material Transparency: CLEAR. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com