PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS2Diesel Fuel

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 9140-01-398-0697 · FSC 9140 · No Item Name Available
Verified by PartsTable
NSN 9140-01-398-0697 — this item is cataloged by the U.S. Government under National Stock Number 9140-01-398-0697. Primary manufacturer part number: LS2.
Features
  • Diesel Fuel — FSC 9140
  • Viscosity at Rated Temp: 1.90 MINIMUM 40 DEG CELSIUS AND 4.10 MAXIMUM 40 DEG CELSIUS
  • Maximum Sulphur Content Percentage by Weight: 0.05
  • Maximum Carbon Residue Content Percentage by Weight and Test Method: 0.35 RAMSBOTTOM
  • Supply Classification: BULK
  • Nondefinitive Spec/std Data: LS2 CODE
  • Minimum Flash Point and Test Method: 52.0 CELSIUS PENSKY-MARTENS CLOSED CUP DEGC
  • Distillation Point Percentage at Maximum Temp: 338 DEGREES C AT 90 PERCENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Diesel Fuel, cataloged under National Stock Number 9140-01-398-0697, is classified within Federal Supply Class 9140 (No Item Name Available) of the Fuels, Lubricants, Oils, and Waxes group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 13 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9140-01-398-0697
Primary Part NumberLS2
Item NameDiesel Fuel
FSC / FSG9140 / 91 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Viscosity at Rated Temp1.90 MINIMUM 40 DEG CELSIUS AND 4.10 MAXIMUM 40 DEG CELSIUS
Maximum Sulphur Content Percentage by Weight0.05
Maximum Carbon Residue Content Percentage by Weight and Test Method0.35 RAMSBOTTOM
Supply ClassificationBULK
Nondefinitive Spec/std DataLS2 CODE
Minimum Flash Point and Test Method52.0 CELSIUS PENSKY-MARTENS CLOSED CUP DEGC
Distillation Point Percentage at Maximum Temp338 DEGREES C AT 90 PERCENT
Copper Corrosion Classification Number3
Fuel Grade ClassificationDIESEL, LOW SULFUR, ARCTIC
Lubricity at 60 Deg Centigrade520.0 MICROMETERS MAXIMUM
Maximum Cloud Point Temp60.0 DEG FAHRENHEIT
Minimum Cetane Classification Number40
Maximum Ash Content Percentage by Weight0.01
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
7290-00-260-1147 INTERCHANGEABLE
Handcart,mail
5360-00-342-3838LS2 INTERCHANGEABLE
Spring,spiral,torsion
Horizon Aerospace Llc Dba Magnetics Division
6650-01-120-4683 INTERCHANGEABLE
Borescope,lecture
5305-01-211-0675LS-2 INTERCHANGEABLE
Screw,shoulder
Carr Lane Manufacturing Co
4940-01-516-8502LS2 INTERCHANGEABLE
Leak Detector,refrigerant Gas
C P S Products Inc
6625-01-616-2649LS-II INTERCHANGEABLE
Test Station,electrical-Electron
Cps Products Inc
3920-01-721-846420019 INTERCHANGEABLE
Sled,scow Type
Wahoo International, Inc.
Cross-Reference Index
Part NumberManufacturer
LS2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ASTM-D-975 American Society for Testing and Materials Dba Astm International (USA)
Related Parts
7290-00-260-1147INTERCHANGEABLE
HANDCART,MAIL
5360-00-342-3838INTERCHANGEABLE
SPRING,SPIRAL,TORSION
LS2
6650-01-120-4683INTERCHANGEABLE
BORESCOPE,LECTURE
5305-01-211-0675INTERCHANGEABLE
SCREW,SHOULDER
LS-2
4940-01-516-8502INTERCHANGEABLE
LEAK DETECTOR,REFRIGERANT GAS
LS2
6625-01-616-2649INTERCHANGEABLE
TEST STATION,ELECTRICAL-ELECTRON
LS-II
3920-01-721-8464INTERCHANGEABLE
SLED,SCOW TYPE
20019

Frequently Asked Questions

What is NSN 9140-01-398-0697?

NSN 9140-01-398-0697 is a Diesel Fuel, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 9140 (No Item Name Available). Status: active.

What are the part numbers for NSN 9140-01-398-0697?

NSN 9140-01-398-0697 has 2 cross-referenced part numbers: LS2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ASTM-D-975 (American Society for Testing and Materials Dba Astm International).

What NSN replaces 9140-01-398-0697?

There are 7 known substitutes for 9140-01-398-0697: 7290-00-260-1147, 5360-00-342-3838, 6650-01-120-4683 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LS2?

Key specifications for LS2: Viscosity at Rated Temp: 1.90 MINIMUM 40 DEG CELSIUS AND 4.10 MAXIMUM 40 DEG CELSIUS; Maximum Sulphur Content Percentage by Weight: 0.05; Maximum Carbon Residue Content Percentage by Weight and Test Method: 0.35 RAMSBOTTOM; Special Features: SEE CONTRACT REQUIREMENTS FOR CLOUD POINT LIMITS APPLICABLE TO A SPECIFIC REGION. 14 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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