PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RB1953Radiator,engine Coolant

Long Mfg Ltd · NSN 2930-00-053-0553 · FSC 2930 · No Item Name Available
Verified by PartsTable
NSN 2930-00-053-0553 — this item is cataloged by the U.S. Government under National Stock Number 2930-00-053-0553. Primary manufacturer part number: RB1953.
Features
  • Radiator,engine Coolant — FSC 2930
  • Tank Width: 4.500 INCHES NOMINAL SINGLE TANK UPPER IN
  • Tank Quantity: 1 SINGLE TANK UPPER
  • Tank Location: UPPER SINGLE TANK UPPER
  • Tank Height: 4.844 INCHES NOMINAL SINGLE TANK UPPER IN
  • 7 verified cross-references
  • Primary manufacturer: Long Mfg Ltd
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Radiator,engine Coolant, cataloged under National Stock Number 2930-00-053-0553, is classified within Federal Supply Class 2930 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Long Mfg Ltd. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2930-00-053-0553
Primary Part NumberRB1953
Item NameRadiator,engine Coolant
FSC / FSG2930 / 29 — No Item Name Available
ManufacturerLong Mfg Ltd
StatusCANCELLED
Tank Width4.500 INCHES NOMINAL SINGLE TANK UPPER IN
Tank Quantity1 SINGLE TANK UPPER
Tank LocationUPPER SINGLE TANK UPPER
Tank Height4.844 INCHES NOMINAL SINGLE TANK UPPER IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
2530-00-113-5456 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
5945-01-468-9346R7623 INTERCHANGEABLE
Flasher,thermal
Teledyne Brown Engineering, Inc. Dba Teledyne Advanced Electronic Solutions Div Teledyne Advanced Electronic Solutions
Cross-Reference Index
Part NumberManufacturer
R7623 Thermal Engineering International (usa) Inc. (USA)
F55890 Koehring Co Lorain Div (USA)
F12862 Koehring Co Lorain Div (USA)
RB1953 PRIMARY Long Mfg Ltd (CAN)
F79964X Koehring Co Lorain Div (USA)
R7623 Thermal Engineering International Usa Inc (USA)
F12862 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
Related Parts
2530-00-113-5456INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
5945-01-468-9346INTERCHANGEABLE
FLASHER,THERMAL
R7623

Frequently Asked Questions

What is NSN 2930-00-053-0553?

NSN 2930-00-053-0553 is a Radiator,engine Coolant, manufactured by Long Mfg Ltd, classified under FSC 2930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2930-00-053-0553?

NSN 2930-00-053-0553 has 7 cross-referenced part numbers: R7623 (Thermal Engineering International (usa) Inc.), F55890 (Koehring Co Lorain Div), F12862 (Koehring Co Lorain Div), RB1953 (Long Mfg Ltd), F79964X (Koehring Co Lorain Div) and 2 more.

What NSN replaces 2930-00-053-0553?

There are 2 known substitutes for 2930-00-053-0553: 2530-00-113-5456, 5945-01-468-9346. Verify interchangeability with system specifications before substitution.

What are the specifications of RB1953?

Key specifications for RB1953: Overall Width: 3.906 INCHES NOMINAL IN; Tank Width: 4.500 INCHES NOMINAL SINGLE TANK UPPER IN; Tank Quantity: 1 SINGLE TANK UPPER; Tank Location: UPPER SINGLE TANK UPPER. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2930-00-053-0553 still in active supply?

NSN 2930-00-053-0553 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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