PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

575R131H04Nonmetallic Channel

Westinghouse Electric Corp · NSN 9390-00-818-0493 · FSC 9390 · No Item Name Available
Verified by PartsTable
NSN 9390-00-818-0493 — this item is cataloged by the U.S. Government under National Stock Number 9390-00-818-0493. Primary manufacturer part number: 575R131H04.
Features
  • Nonmetallic Channel — FSC 9390
  • Left Side Flange Thickness: 0.065 INCHES NOMINAL IN
  • Right Side Flange Height: 0.160 INCHES NOMINAL IN
  • Material: PLASTIC
  • Physical Form: SOLID
  • Environmental Protection: WARP/TWIST
  • Cross-Sectional Shape Style: OPEN CHANNEL
  • Base Flange Thickness: 0.070 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic construction
General Description

The Nonmetallic Channel, cataloged under National Stock Number 9390-00-818-0493, is classified within Federal Supply Class 9390 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Westinghouse Electric Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN9390-00-818-0493
Primary Part Number575R131H04
Item NameNonmetallic Channel
FSC / FSG9390 / 93 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusACTIVE
Left Side Flange Thickness0.065 INCHES NOMINAL IN
Right Side Flange Height0.160 INCHES NOMINAL IN
MaterialPLASTIC
Physical FormSOLID
Environmental ProtectionWARP/TWIST
Cross-Sectional Shape StyleOPEN CHANNEL
Base Flange Thickness0.070 INCHES NOMINAL IN
Length12.750 INCHES NOMINAL IN
Left-Side Flange Tip StyleLEFT SQUARE END
Right Side Flange Thickness0.065 INCHES NOMINAL IN
Right-Side Flange Tip StyleRIGHT SQUARE END
Minimum Tensile StrengthERR-060
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5325-00-923-9512MS21266-4N INTERCHANGEABLE
Grommet,nonmetallic
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5325-01-197-8461G51H-D-BLACK INTERCHANGEABLE
Grommet,nonmetallic
Nmc Group, Inc.
Cross-Reference Index
Part NumberManufacturer
G51HD Nmc Group, Inc. (USA)
NMCG51HD Nmc Group, Inc. (USA)
575R131H04 PRIMARY Westinghouse Electric Corp (USA)
575R131H04 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5325-00-923-9512INTERCHANGEABLE
GROMMET,NONMETALLIC
MS21266-4N
5325-01-197-8461INTERCHANGEABLE
GROMMET,NONMETALLIC
G51H-D-BLACK

Frequently Asked Questions

What is NSN 9390-00-818-0493?

NSN 9390-00-818-0493 is a Nonmetallic Channel, manufactured by Westinghouse Electric Corp, classified under FSC 9390 (No Item Name Available). Status: active.

What are the part numbers for NSN 9390-00-818-0493?

NSN 9390-00-818-0493 has 4 cross-referenced part numbers: G51HD (Nmc Group, Inc.), NMCG51HD (Nmc Group, Inc.), 575R131H04 (Westinghouse Electric Corp), 575R131H04 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 9390-00-818-0493?

There are 2 known substitutes for 9390-00-818-0493: 5325-00-923-9512, 5325-01-197-8461. Verify interchangeability with system specifications before substitution.

What are the specifications of 575R131H04?

Key specifications for 575R131H04: Left Side Flange Thickness: 0.065 INCHES NOMINAL IN; Right Side Flange Height: 0.160 INCHES NOMINAL IN; Material: PLASTIC; Physical Form: SOLID. 15 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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