PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1388Nonmetallic Special Shaped Secti

Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp · NSN 9390-00-142-6793 · FSC 9390 · No Item Name Available
Verified by PartsTable
NSN 9390-00-142-6793 — this item is cataloged by the U.S. Government under National Stock Number 9390-00-142-6793. Primary manufacturer part number: 1388.
Features
  • Nonmetallic Special Shaped Secti — FSC 9390
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY LENGTH
  • Outside Radius: 0.312 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: HOLLOW CORE, DOUBLE FLANGE
  • Nonmetallic Hardness Rating: 55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
  • Environmental Protection: PETROLEUM RESISTANT AND LOW TEMPERATURE AND OZONE RESISTANT AND WEAR RESISTANT
  • Inside Radius: 0.218 INCHES NOMINAL IN
  • First Slot/groove Width: 0.125 INCHES NOMINAL IN
Applications
  • Applications requiring Rubber Synthetic construction
General Description

The Nonmetallic Special Shaped Secti, cataloged under National Stock Number 9390-00-142-6793, is classified within Federal Supply Class 9390 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN9390-00-142-6793
Primary Part Number1388
Item NameNonmetallic Special Shaped Secti
FSC / FSG9390 / 93 — No Item Name Available
ManufacturerRubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
StatusACTIVE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY LENGTH
Outside Radius0.312 INCHES NOMINAL IN
Cross-Sectional Shape StyleHOLLOW CORE, DOUBLE FLANGE
Nonmetallic Hardness Rating55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
Environmental ProtectionPETROLEUM RESISTANT AND LOW TEMPERATURE AND OZONE RESISTANT AND WEAR RESISTANT
Inside Radius0.218 INCHES NOMINAL IN
First Slot/groove Width0.125 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6145-00-284-0657M5086/2-8-9 INTERCHANGEABLE
Wire,electrical
Sae International Dba Sae International
5310-00-350-59361388 INTERCHANGEABLE
Washer,flat
Brinkley Technology Group Llc Dba Hercules Manufacturing
5915-00-369-93734030820-0701 INTERCHANGEABLE
Filter,band Pass
Raytheon Company Dba Raytheon Co
5330-00-383-877912155 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5340-00-598-27531388 INTERCHANGEABLE
Bumper
Atlantic India Rubber Co Inc
4730-00-602-631701388 INTERCHANGEABLE
Nozzle,sand Blast
Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco
5365-00-656-89171388 INTERCHANGEABLE
Spacer,frame Plate
Miller-Holzwarth Inc.
4710-00-797-3320120-0386 INTERCHANGEABLE
Tube,bent,metallic
Cummins Power Generation Inc.
5940-00-819-36491388 INTERCHANGEABLE
Terminal Board
Birnbach Co Inc
5315-00-997-0124 INTERCHANGEABLE
Pin
Cross-Reference Index
Part NumberManufacturer
1388 Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA)
Related Parts
6145-00-284-0657INTERCHANGEABLE
WIRE,ELECTRICAL
M5086/2-8-9
5310-00-350-5936INTERCHANGEABLE
WASHER,FLAT
1388
5915-00-369-9373INTERCHANGEABLE
FILTER,BAND PASS
4030820-0701
5330-00-383-8779INTERCHANGEABLE
GASKET
12155
5340-00-598-2753INTERCHANGEABLE
BUMPER
1388
4730-00-602-6317INTERCHANGEABLE
NOZZLE,SAND BLAST
01388
5365-00-656-8917INTERCHANGEABLE
SPACER,FRAME PLATE
1388
4710-00-797-3320INTERCHANGEABLE
TUBE,BENT,METALLIC
120-0386
5940-00-819-3649INTERCHANGEABLE
TERMINAL BOARD
1388
5315-00-997-0124INTERCHANGEABLE
PIN
1260-01-134-3641INTERCHANGEABLE
POWER DISTRIBUTION ASSEMBLY
1388
5310-01-162-5737INTERCHANGEABLE
WASHER,LOCK
1388

Frequently Asked Questions

What is NSN 9390-00-142-6793?

NSN 9390-00-142-6793 is a Nonmetallic Special Shaped Secti, manufactured by Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp, classified under FSC 9390 (No Item Name Available). Status: active.

What are the part numbers for NSN 9390-00-142-6793?

NSN 9390-00-142-6793 has 1 cross-referenced part number: 1388 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp).

What NSN replaces 9390-00-142-6793?

There are 12 known substitutes for 9390-00-142-6793: 6145-00-284-0657, 5310-00-350-5936, 5915-00-369-9373 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1388?

Key specifications for 1388: Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY LENGTH; Outside Radius: 0.312 INCHES NOMINAL IN; Cross-Sectional Shape Style: HOLLOW CORE, DOUBLE FLANGE; Nonmetallic Hardness Rating: 55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A. 9 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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