PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

521-50Radiator,engine Coolant

American Coleman Company, the Dba Metro Crown International · NSN 2930-00-715-7562 · FSC 2930 · No Item Name Available
Verified by PartsTable
NSN 2930-00-715-7562 — this item is cataloged by the U.S. Government under National Stock Number 2930-00-715-7562. Primary manufacturer part number: 521-50.
Features
  • Radiator,engine Coolant — FSC 2930
  • Overall Thickness: 5.500 INCHES NOMINAL IN
  • Core Thickness: 2.938 INCHES NOMINAL IN
  • Inlet Connection End Quantity: 1
  • Fan Shroud: INCLUDED
  • Tank Height: 5.000 INCHES NOMINAL SECOND TANK LOWER IN
  • Valve Casing: NOT INCLUDED
  • Tank Location: LOWER SECOND TANK LOWER
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
  • Applications requiring Copper Alloy Tank First Tank Upper construction
General Description

The Radiator,engine Coolant, cataloged under National Stock Number 2930-00-715-7562, is classified within Federal Supply Class 2930 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is American Coleman Company, the Dba Metro Crown International. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2930-00-715-7562
Primary Part Number521-50
Item NameRadiator,engine Coolant
FSC / FSG2930 / 29 — No Item Name Available
ManufacturerAmerican Coleman Company, the Dba Metro Crown International
StatusACTIVE
Overall Thickness5.500 INCHES NOMINAL IN
Core Thickness2.938 INCHES NOMINAL IN
Inlet Connection End Quantity1
Fan ShroudINCLUDED
Tank Height5.000 INCHES NOMINAL SECOND TANK LOWER IN
Valve CasingNOT INCLUDED
Tank LocationLOWER SECOND TANK LOWER
Mounting MethodFLANGE SIDE
Inlet Connection End ShapeROUND
Outlet Connection End ShapeROUND
Mounting FeatureINCLUDED
Core Quantity1
Outlet Connection End Quantity1
Filler NeckINCLUDED
Tank Width21.188 INCHES NOMINAL SECOND TANK LOWER IN
MaterialCOPPER ALLOY TANK FIRST TANK UPPER
Core Material and LocationBRASS OVERALL AND COPPER OVERALL
Inlet Connection End TypePLAIN
Coolant Level Elbow Check ValveNOT INCLUDED
MaterialCOPPER ALLOY TANK SECOND TANK LOWER
Core TypeTUBE AND CORRUGATED FIN LOCATION NOT OTHERWISE SPECIFIED
FSC Application DataRADIATOR,ENGINE COOLANT,NON-AIRCRAFT
Tank Thickness3.188 INCHES NOMINAL SECOND TANK LOWER IN
Filler Neck Quantity1
Tank Height4.500 INCHES NOMINAL FIRST TANK UPPER IN
Tank Thickness5.500 INCHES NOMINAL FIRST TANK UPPER IN
Tank Width21.188 INCHES NOMINAL FIRST TANK UPPER IN
Core Width20.625 INCHES NOMINAL IN
Tank Quantity1 FIRST TANK UPPER
Tank LocationUPPER FIRST TANK UPPER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5310-00-020-4484211-214 INTERCHANGEABLE
Nut,plain,plate
Avox Systems Inc Dba Avox Systems Inc
2810-00-118-349852150 INTERCHANGEABLE
Carrier
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
6210-00-152-3884 INTERCHANGEABLE
Light,indicator
5305-00-579-5811117289 INTERCHANGEABLE
Screw,machine
General Motors Llc Dba General Motors Llc
3120-00-626-2450129911 INTERCHANGEABLE
Bushing,sleeve
Marotta Controls Inc
5331-01-282-3246211214 INTERCHANGEABLE
O-Ring
Hynautic Inc Div of Sta-Rite Industries Inc
5975-01-329-1505S1962 INTERCHANGEABLE
Plate,wall,electrical
Cooper Wiring Devices Inc.
5995-01-417-0909 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5961-01-418-8455211214 INTERCHANGEABLE
Semiconductor Device,diode
Fluke Corp
8145-01-465-416056150-000 INTERCHANGEABLE
Shipping and Storage Container,m
Aar Manufacturing, Inc. Dba Aar Mobility Systems
Cross-Reference Index
Part NumberManufacturer
521-50 American Coleman Company, the Dba Metro Crown International (USA)
N521-50 Napco International Llc Dba Napco International Inc (USA)
RS-1766 John Boyd Enterprises Inc Dba J B Enterprises Div Jb Radiator Specialties, Inc (USA)
70-3791P5 Long Mfg Ltd (CAN)
N521-50 Napco Intl Inc (USA)
21-1214 Long Mfg Ltd (CAN)
Related Parts
5310-00-020-4484INTERCHANGEABLE
NUT,PLAIN,PLATE
211-214
2810-00-118-3498INTERCHANGEABLE
CARRIER
52150
6210-00-152-3884INTERCHANGEABLE
LIGHT,INDICATOR
5305-00-579-5811INTERCHANGEABLE
SCREW,MACHINE
117289
3120-00-626-2450INTERCHANGEABLE
BUSHING,SLEEVE
129911
5331-01-282-3246INTERCHANGEABLE
O-RING
211214
5975-01-329-1505INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
S1962
5995-01-417-0909INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5961-01-418-8455INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
211214
8145-01-465-4160INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,M
56150-000

Frequently Asked Questions

What is NSN 2930-00-715-7562?

NSN 2930-00-715-7562 is a Radiator,engine Coolant, manufactured by American Coleman Company, the Dba Metro Crown International, classified under FSC 2930 (No Item Name Available). Status: active.

What are the part numbers for NSN 2930-00-715-7562?

NSN 2930-00-715-7562 has 6 cross-referenced part numbers: 521-50 (American Coleman Company, the Dba Metro Crown International), N521-50 (Napco International Llc Dba Napco International Inc), RS-1766 (John Boyd Enterprises Inc Dba J B Enterprises Div Jb Radiator Specialties, Inc), 70-3791P5 (Long Mfg Ltd), N521-50 (Napco Intl Inc) and 1 more.

What NSN replaces 2930-00-715-7562?

There are 10 known substitutes for 2930-00-715-7562: 5310-00-020-4484, 2810-00-118-3498, 6210-00-152-3884 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 521-50?

Key specifications for 521-50: Overall Thickness: 5.500 INCHES NOMINAL IN; Core Thickness: 2.938 INCHES NOMINAL IN; Inlet Connection End Quantity: 1; Fan Shroud: INCLUDED. 30 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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