PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23-0121Window,observation

Premier Shielding Co, Inc · NSN 9330-01-504-9501 · FSC 9330 · No Item Name Available
Verified by PartsTable
NSN 9330-01-504-9501 — this item is cataloged by the U.S. Government under National Stock Number 9330-01-504-9501. Primary manufacturer part number: 23-0121.
Features
  • Window,observation — FSC 9330
  • Style Designator: SQUARE CORNERS
  • Material: PLASTIC ACRYLIC
  • Material Transparency: CLEAR
  • Overall Thickness: 0.125 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Premier Shielding Co, Inc
Applications
  • Applications requiring Plastic Acrylic construction
General Description

The Window,observation, cataloged under National Stock Number 9330-01-504-9501, is classified within Federal Supply Class 9330 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Premier Shielding Co, Inc. Government technical data includes 4 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9330-01-504-9501
Primary Part Number23-0121
Item NameWindow,observation
FSC / FSG9330 / 93 — No Item Name Available
ManufacturerPremier Shielding Co, Inc
StatusACTIVE
Style DesignatorSQUARE CORNERS
MaterialPLASTIC ACRYLIC
Material TransparencyCLEAR
Overall Thickness0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5910-00-250-540423012-1 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Pax Mfg Corp Hammarlund Mfg Co Div
5950-00-708-1502 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
23-0121 PRIMARY Premier Shielding Co, Inc (USA)
809-086C-1 General Kinetics Inc (USA)
Related Parts
5910-00-250-5404INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
23012-1
5950-00-708-1502INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 9330-01-504-9501?

NSN 9330-01-504-9501 is a Window,observation, manufactured by Premier Shielding Co, Inc, classified under FSC 9330 (No Item Name Available). Status: active.

What are the part numbers for NSN 9330-01-504-9501?

NSN 9330-01-504-9501 has 2 cross-referenced part numbers: 23-0121 (Premier Shielding Co, Inc), 809-086C-1 (General Kinetics Inc).

What NSN replaces 9330-01-504-9501?

There are 2 known substitutes for 9330-01-504-9501: 5910-00-250-5404, 5950-00-708-1502. Verify interchangeability with system specifications before substitution.

What are the specifications of 23-0121?

Key specifications for 23-0121: End Item Identification: RADAR & IFF SYSTEMS; AN/SPN-35C; Overall Length: 14.400 INCHES NOMINAL IN; Style Designator: SQUARE CORNERS; Special Features: DRAWING NAME: WINDOW, EMC-CAST. 8 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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