PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1139ARadiator,engine Coolant

Api Heat Transfer Thermasys Corporation · NSN 2930-01-256-0333 · FSC 2930 · No Item Name Available
Verified by PartsTable
NSN 2930-01-256-0333 — this item is cataloged by the U.S. Government under National Stock Number 2930-01-256-0333. Primary manufacturer part number: 1139A.
Features
  • Radiator,engine Coolant — FSC 2930
  • Outlet Connection End Shape: ROUND
  • Filler Neck: INCLUDED
  • Inlet Connection End Quantity: 1
  • Inlet Connection End Type: PLAIN
  • Core Type: TUBE
  • Inlet Connection End Shape: ROUND
  • Fan Shroud: NOT INCLUDED
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Radiator,engine Coolant, cataloged under National Stock Number 2930-01-256-0333, is classified within Federal Supply Class 2930 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Api Heat Transfer Thermasys Corporation. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2930-01-256-0333
Primary Part Number1139A
Item NameRadiator,engine Coolant
FSC / FSG2930 / 29 — No Item Name Available
ManufacturerApi Heat Transfer Thermasys Corporation
StatusACTIVE
Outlet Connection End ShapeROUND
Filler NeckINCLUDED
Inlet Connection End Quantity1
Inlet Connection End TypePLAIN
Core TypeTUBE
Inlet Connection End ShapeROUND
Fan ShroudNOT INCLUDED
Core Quantity1
Outlet Connection End Quantity1
Filler Neck Quantity1
Tank Quantity1 ALL TANKS CENTER
Outlet End Connection TypePLAIN
Tank LocationCENTER ALL TANKS CENTER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6625-00-539-8070 INTERCHANGEABLE
Ammeter
2520-00-737-12082-4-88X INTERCHANGEABLE
Yoke,universal Joint,vehicular
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
Cross-Reference Index
Part NumberManufacturer
1139A PRIMARY Api Heat Transfer Thermasys Corporation (USA)
7-726-000134 Grove U.s. Llc Dba Grove Us Llc (USA)
1139A Thermasys Corporation Dba General Thermo Dynamics Div General Thermodynamics Div
Related Parts
6625-00-539-8070INTERCHANGEABLE
AMMETER
2520-00-737-1208INTERCHANGEABLE
YOKE,UNIVERSAL JOINT,VEHICULAR
2-4-88X

Frequently Asked Questions

What is NSN 2930-01-256-0333?

NSN 2930-01-256-0333 is a Radiator,engine Coolant, manufactured by Api Heat Transfer Thermasys Corporation, classified under FSC 2930 (No Item Name Available). Status: active.

What are the part numbers for NSN 2930-01-256-0333?

NSN 2930-01-256-0333 has 3 cross-referenced part numbers: 1139A (Api Heat Transfer Thermasys Corporation), 7-726-000134 (Grove U.s. Llc Dba Grove Us Llc), 1139A (Thermasys Corporation Dba General Thermo Dynamics Div General Thermodynamics Div).

What NSN replaces 2930-01-256-0333?

There are 2 known substitutes for 2930-01-256-0333: 6625-00-539-8070, 2520-00-737-1208. Verify interchangeability with system specifications before substitution.

What are the specifications of 1139A?

Key specifications for 1139A: Outlet Connection End Shape: ROUND; Filler Neck: INCLUDED; Inlet Connection End Quantity: 1; Inlet Connection End Type: PLAIN. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com