PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8438721Nonmetallic Channel

Army, United States Department of the Dba Rock Island Arsenal Jmtc · NSN 9390-00-180-7293 · FSC 9390 · No Item Name Available
Verified by PartsTable
NSN 9390-00-180-7293 — this item is cataloged by the U.S. Government under National Stock Number 9390-00-180-7293. Primary manufacturer part number: 8438721.
Features
  • Nonmetallic Channel — FSC 9390
  • Nondefinitive Spec/std Data: II TYPE
  • Left Side Flange Thickness: 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
  • Right Side Flange Height: 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
  • Left Side Flange Thickness: 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
  • Nondefinitive Spec/std Data: II TYPE
  • Nonmetallic Hardness Rating: 65.0 MINIMUM SHORE DUROMETER A AND 75.0 MAXIMUM SHORE DUROMETER A
  • Material Document and Classification: MIL-R-7362, TYPE 2 MIL SPEC SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Rubber construction
General Description

The Nonmetallic Channel, cataloged under National Stock Number 9390-00-180-7293, is classified within Federal Supply Class 9390 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 25 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9390-00-180-7293
Primary Part Number8438721
Item NameNonmetallic Channel
FSC / FSG9390 / 93 — No Item Name Available
ManufacturerArmy, United States Department of the Dba Rock Island Arsenal Jmtc
StatusACTIVE
Nondefinitive Spec/std DataII TYPE
Left Side Flange Thickness0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
Right Side Flange Height0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Left Side Flange Thickness0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
Nondefinitive Spec/std DataII TYPE
Nonmetallic Hardness Rating65.0 MINIMUM SHORE DUROMETER A AND 75.0 MAXIMUM SHORE DUROMETER A
Material Document and ClassificationMIL-R-7362, TYPE 2 MIL SPEC SINGLE MATERIAL RESPONSE
Cross-Sectional Shape StyleOPEN CHANNEL
MaterialRUBBER
Left-Side Flange Tip StyleLEFT SQUARE END
Right-Side Flange Tip StyleRIGHT SQUARE END
Minimum Tensile StrengthERR-060
Base Flange Thickness0.062 INCHES NOMINAL IN
Environmental ProtectionOIL RESISTANT
Environmental ProtectionOIL RESISTANT
Material Document and ClassificationMIL-R-7362, TYPE 2 MIL SPEC SINGLE MATERIAL RESPONSE
Length4.500 INCHES MINIMUM AND 4.750 INCHES MAXIMUM IN
Left-Side Flange Tip StyleLEFT SQUARE END
Right Side Flange Height0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Right Side Flange Thickness0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
Right-Side Flange Tip StyleRIGHT SQUARE END
Right Side Flange Thickness0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
Base Flange Thickness0.062 INCHES NOMINAL IN
Length4.500 INCHES MINIMUM AND 4.750 INCHES MAXIMUM IN
MaterialRUBBER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
9320-00-143-7110 INTERCHANGEABLE
Rubber Sheet,solid
9320-00-202-1323 INTERCHANGEABLE
Rubber Sheet,solid
5331-00-684-778429561-111 INTERCHANGEABLE
O-Ring
Stillman Seal Corporation Div Stillman Seal Corperation
9390-00-912-2632 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
5330-00-947-6999NAS1598D12Y INTERCHANGEABLE
Packing with Retainer
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
9390-00-967-3385204-030-772-25 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
Bell Textron Inc
9320-00-990-13692-060-213-01 INTERCHANGEABLE
Rubber Round Section
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
9320-01-022-0287 INTERCHANGEABLE
Rubber Sheet,solid
Cross-Reference Index
Part NumberManufacturer
MILR7362 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
8438721 PRIMARY Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
Related Parts
9320-00-143-7110INTERCHANGEABLE
RUBBER SHEET,SOLID
9320-00-202-1323INTERCHANGEABLE
RUBBER SHEET,SOLID
5331-00-684-7784INTERCHANGEABLE
O-RING
29561-111
9390-00-912-2632INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
5330-00-947-6999INTERCHANGEABLE
PACKING WITH RETAINER
NAS1598D12Y
9390-00-967-3385INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
204-030-772-25
9320-00-990-1369INTERCHANGEABLE
RUBBER ROUND SECTION
2-060-213-01
9320-01-022-0287INTERCHANGEABLE
RUBBER SHEET,SOLID

Frequently Asked Questions

What is NSN 9390-00-180-7293?

NSN 9390-00-180-7293 is a Nonmetallic Channel, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 9390 (No Item Name Available). Status: active.

What are the part numbers for NSN 9390-00-180-7293?

NSN 9390-00-180-7293 has 2 cross-referenced part numbers: MILR7362 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 8438721 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).

What NSN replaces 9390-00-180-7293?

There are 8 known substitutes for 9390-00-180-7293: 9320-00-143-7110, 9320-00-202-1323, 5331-00-684-7784 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8438721?

Key specifications for 8438721: Nondefinitive Spec/std Data: II TYPE; Left Side Flange Thickness: 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN; Right Side Flange Height: 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Left Side Flange Thickness: 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN. 29 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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