PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

STM23-402Rubber Round Section

Lockheed Martin Corp · NSN 9320-00-144-5842 · FSC 9320 · No Item Name Available
Verified by PartsTable
NSN 9320-00-144-5842 — this item is cataloged by the U.S. Government under National Stock Number 9320-00-144-5842. Primary manufacturer part number: STM23-402.
Features
  • Rubber Round Section — FSC 9320
  • Length: 120.000 INCHES NOMINAL IN
  • Minimum Tensile Strength: ERR-060
  • Material: RUBBER LOCATION NOT OTHERWISE SPECIFIED
  • Color: GRAY/GREY BOTH SIDES
  • Material Document and Classification: ST-23-402, CLASS 2, GRADE 50, LOCKHEED-GEORGIA CO MFR REF SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
  • Surface Condition: SMOOTH OUTSIDE PERIPHERY
  • Specification/standard Data: 98897-STM 23-402 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Applications requiring Rubber Location Not Otherwise Specified construction
General Description

The Rubber Round Section, cataloged under National Stock Number 9320-00-144-5842, is classified within Federal Supply Class 9320 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9320-00-144-5842
Primary Part NumberSTM23-402
Item NameRubber Round Section
FSC / FSG9320 / 93 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Length120.000 INCHES NOMINAL IN
Minimum Tensile StrengthERR-060
MaterialRUBBER LOCATION NOT OTHERWISE SPECIFIED
ColorGRAY/GREY BOTH SIDES
Material Document and ClassificationST-23-402, CLASS 2, GRADE 50, LOCKHEED-GEORGIA CO MFR REF SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
Surface ConditionSMOOTH OUTSIDE PERIPHERY
Specification/standard Data98897-STM 23-402 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Cross Section Outside Diameter0.820 INCHES NOMINAL IN
Nonmetallic Hardness Rating45.0 MINIMUM SHORE DUROMETER A AND 55.0 MAXIMUM SHORE DUROMETER A
Cross-Sectional Shape StyleCIRCULAR
Environmental ProtectionLOW TEMPERATURE AND HIGH TEMPERATURE AND TEAR
Fabrication MethodSOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
9390-00-551-3019 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
9320-01-004-3621 INTERCHANGEABLE
Rubber Sheet,solid
9320-01-345-3348STM23-402 INTERCHANGEABLE
Rubber Sheet,solid
Lockheed Martin Corp
Cross-Reference Index
Part NumberManufacturer
STM23-402 Lockheed Martin Corp (USA)
STM23-402 CLASS 2 GRADE 50 Lockheed Martin Corp (USA)
Related Parts
9390-00-551-3019INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
9320-01-004-3621INTERCHANGEABLE
RUBBER SHEET,SOLID
9320-01-345-3348INTERCHANGEABLE
RUBBER SHEET,SOLID
STM23-402

Frequently Asked Questions

What is NSN 9320-00-144-5842?

NSN 9320-00-144-5842 is a Rubber Round Section, manufactured by Lockheed Martin Corp, classified under FSC 9320 (No Item Name Available). Status: active.

What are the part numbers for NSN 9320-00-144-5842?

NSN 9320-00-144-5842 has 2 cross-referenced part numbers: STM23-402 (Lockheed Martin Corp), STM23-402 CLASS 2 GRADE 50 (Lockheed Martin Corp).

What NSN replaces 9320-00-144-5842?

There are 3 known substitutes for 9320-00-144-5842: 9390-00-551-3019, 9320-01-004-3621, 9320-01-345-3348. Verify interchangeability with system specifications before substitution.

What are the specifications of STM23-402?

Key specifications for STM23-402: Length: 120.000 INCHES NOMINAL IN; Minimum Tensile Strength: ERR-060; Material: RUBBER LOCATION NOT OTHERWISE SPECIFIED; Color: GRAY/GREY BOTH SIDES. 12 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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