PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X1270Nonmetallic Channel

Atlantic India Rubber Co Inc · NSN 9390-00-056-7851 · FSC 9390 · No Item Name Available
Verified by PartsTable
NSN 9390-00-056-7851 — this item is cataloged by the U.S. Government under National Stock Number 9390-00-056-7851. Primary manufacturer part number: X1270.
Features
  • Nonmetallic Channel — FSC 9390
  • Cross-Sectional Shape Style: OPEN CHANNEL WITH ROUND BASE
  • Nonmetallic Hardness Rating: 55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
  • Environmental Protection: FUEL, AROMATIC AND OIL RESISTANT AND LOW TEMPERATURE AND HIGH TEMPERATURE
  • Material: RUBBER SYNTHETIC
  • Left Side Flange Thickness: 0.047 INCHES NOMINAL IN
  • Material Document and Classification: MIL-STD-417, TYPE S, CLASS SC, GRADE SC610F1 MIL STD SINGLE MATERIAL RESPONSE
  • Right Side Flange Thickness: 0.047 INCHES NOMINAL IN
Applications
  • Applications requiring Rubber Synthetic construction
General Description

The Nonmetallic Channel, cataloged under National Stock Number 9390-00-056-7851, is classified within Federal Supply Class 9390 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Atlantic India Rubber Co Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9390-00-056-7851
Primary Part NumberX1270
Item NameNonmetallic Channel
FSC / FSG9390 / 93 — No Item Name Available
ManufacturerAtlantic India Rubber Co Inc
StatusACTIVE
Cross-Sectional Shape StyleOPEN CHANNEL WITH ROUND BASE
Nonmetallic Hardness Rating55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
Environmental ProtectionFUEL, AROMATIC AND OIL RESISTANT AND LOW TEMPERATURE AND HIGH TEMPERATURE
MaterialRUBBER SYNTHETIC
Left Side Flange Thickness0.047 INCHES NOMINAL IN
Material Document and ClassificationMIL-STD-417, TYPE S, CLASS SC, GRADE SC610F1 MIL STD SINGLE MATERIAL RESPONSE
Right Side Flange Thickness0.047 INCHES NOMINAL IN
Outside Radius0.078 INCHES NOMINAL IN
Temp Rating-40.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF
First Slot/groove Depth0.156 INCHES NOMINAL IN
First Slot/groove Width0.062 INCHES NOMINAL IN
Left-Side Flange Tip StyleLEFT SQUARE END
Right-Side Flange Tip StyleRIGHT SQUARE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-011-5545 INTERCHANGEABLE
Washer,lock
9390-00-711-7666 INTERCHANGEABLE
Nonmetallic Channel
9390-00-873-1191 INTERCHANGEABLE
Nonmetallic Channel
9390-01-364-2085 INTERCHANGEABLE
Nonmetallic Channel
Cross-Reference Index
Part NumberManufacturer
X1270 Atlantic India Rubber Co Inc (USA)
210-3191 Cosmos Industries Inc (USA)
MILR3065 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-011-5545INTERCHANGEABLE
WASHER,LOCK
9390-00-711-7666INTERCHANGEABLE
NONMETALLIC CHANNEL
9390-00-873-1191INTERCHANGEABLE
NONMETALLIC CHANNEL
9390-01-364-2085INTERCHANGEABLE
NONMETALLIC CHANNEL

Frequently Asked Questions

What is NSN 9390-00-056-7851?

NSN 9390-00-056-7851 is a Nonmetallic Channel, manufactured by Atlantic India Rubber Co Inc, classified under FSC 9390 (No Item Name Available). Status: active.

What are the part numbers for NSN 9390-00-056-7851?

NSN 9390-00-056-7851 has 3 cross-referenced part numbers: X1270 (Atlantic India Rubber Co Inc), 210-3191 (Cosmos Industries Inc), MILR3065 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 9390-00-056-7851?

There are 4 known substitutes for 9390-00-056-7851: 5310-00-011-5545, 9390-00-711-7666, 9390-00-873-1191 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X1270?

Key specifications for X1270: Cross-Sectional Shape Style: OPEN CHANNEL WITH ROUND BASE; Nonmetallic Hardness Rating: 55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A; Overall Height: 0.234 INCHES NOMINAL IN; Special Features: COLOR,BLACK. 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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