ITEM DESCRIPTION 8546_.pdf

PDF 61 KB Posted

Attached to
Remanufacture of C-5 Primary and Secondary Heat Exchanger(s)
Solicitation number
FA8118-25-R-0102
Issued by

About this file

This is an Item Description document for a heat exchanger air component with National Stock Number (NSN) 1660004568546. The heat exchanger is a critical aerospace component designed for the C5 aircraft, manufactured with aluminum, steel, and various materials. Dimensionally, it measures 33.88 inches in length, 29.50 inches in width, and 15.75 inches in height, weighing 40.9 pounds. The device functions as part of the air cycle refrigeration subsystem, specifically used to partially cool engine bleed air by transferring heat from the bleed air to ram air passing over its tubes and fins. The item is associated with TCTO number 15A4-56-3, has a criticality code of X, a demilitarization code of Q, and a security code of U, with the source control drawing number 4A90103-101A modified by Lockheed Georgia Company.

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Text version

ITEM DESCRIPTION

NSN

1660004568546

CAGE

70210

REFERENCE NUMBER

184730-1-1

NOUN

HEAT EXCHANGER,AIR

END ITEM TCTO NUMBER TO NUMBER

15A4-56-3

CRITICALITY CODE

X

DEMILITARIZATION CODE

Q

SECURITY CODE

U

MDC

EEE

ES CODE

LZ

REMARKS

INITIATOR

NAME ORGANIZATION / OFFICE SYMBOL DSN PHONE COMMERCIAL PHONE

ITEM DESCRIPTION DATA

LENGTH ( IN )

33.8800

WIDTH ( IN )

29.5000

HEIGHT ( IN )

15.7500

WEIGHT ( LB )

40.9000

OTHER DIMENSIONS

ITEM MATERIAL

Aluminum, steel and various materials.

ITEM FUNCTION

The heat exchanger is a component of the air cycle refrigeration subsystem and is used to partially cool engine bleed air by transferring heat from the bleed air toram air passing over the tubes and fins.

SAFETY CRITICAL SCREW

THREADED COMPONENT

ESD CEMS SENSITIVE DATA

STATEMENT OF HELIUM CONTENT (%) 0 PRECIOUS METAL INDICATOR CODE

GFM REQUIRED GFE REQUIRED GFP REQUIRED

JEWEL BEARING JEWEL BEARING RELATED

LEGACY ITEM DESCRIPTION

H/E AIR TO AIR. REF NO. DIFFERENTIATING CHARACTERISTICS MOD BY LOCKHEED GEORGIA CO. SOURCE CONTROL DRAWING NO. 4A90103-101A.

15.75 IN. HIGHX 29.60 IN WIDE X 33.88 IN DEEP, WGT. 41 LBS. MADE OF ALUMINUM. USEDTO PARTIALLY COOL ENGINE BLEED AIR BY TRANSFERING

HEAT FROM THE BLEED AIR TO RAM AIR PASSING OVER TUBES. ACFT C5

Page 1 of 1ITEM DESCRIPTION Version 3Generated by PRPS using Jasper Reports on 07 Mar 2025

File details come from the government source that posted it. Updated .