Commercial Alternative to WebFLIS Menu

Get a free trial and you'll have access to all of the features and data that LogiQuest has to offer.


Advanced Search Free LogiQuest Trial
Click here to request your free LogiQuest trial today.
Search Syntax Examples: (Searches are not case sensitive)
  Space separated terms like BALL BEARING find records containing both BALL AND BEARING
  Comma separated terms like BALL, BEARING find records containing either BALL OR BEARING
  Search terms can include multi-character() or single-charater(%) wildcards.

LogiQuest® Lite  A Commercial Alternative to WebFLIS

LogiQuest Lite provides instant access to information on millions of items in the Federal Supply Catalog.
National Stock Number(NSN): 4520-00-271-9752 (4520002719752, 002719752)

NIIN: 00-271-9752 Item Name: HEATER,VENTILATION,DUCT TYPE INC: 07531
FSC: 4520 Assignment Date: Jan-01-1963 CRIT: X IIG: 07531
ISC: 2 Date Standardized: Mar-11-1972 HMIC: N DODIC:
NSC: 0 Cancellation Date: PMIC: A FIIG: A01300
ESD: Schedule B: 7322.90.0000 DEMIL: A DEMIL INT:
TIIC: 4 Originator: AX ADPEC: 0 RPDMRC: 3
Advantages & Benefits to a full LogiQuest subscription:

With a full subscription to LogiQuest, you can affordably maintain readiness of US military equipment, view current and historical NSN pricing, find substitutable manufacturer’s part numbers, analyze weapon systems, view detailed vendor data, proactively address DMSMS and bid on government selling opportunities. Directly search 60+ databases from Navy, Army, Air Force, Marines, and commercial sources. Examples include APL, AMDF, Milspecs, CAGE, SAM, EPLS, QPL, QPD, and many more.

The full version of LogiQuest has information related to NSN 4520-00-271-9752 in each of the following databases.

 • SUPPTECH - Supplemental Technical Information
 • APL - Allowance Parts List
 • CRF - NICP Cross Reference File
 • ILS_INV - ILS Aviation Parts Availability
 • NMDF - Navy Master Data File
 • NNRF - Navy NIIN Reference File
 • WHEREUSED - Where NIIN Used
 • WPS - Weapons Systems
 • GDAPL 2010 - GD Allowance Parts List
 • CAGE - Commercial And Government Entity
 • H6 - Federal Item Name Directory
 • FSC - Federal Supply Class
 • Schedule B - Export Commodity Classifications

Contact us to request your free trial of LogiQuest® today.

Learn More

To learn more about LogiQuest® click here.

Please note that LogiQuest Lite is an informational service only.  Clicking on the CAGE codes below will provide contact information for possible sources of supply.


  Contact an advertising partner for price and availability for this item.
Part Information
Part Number CAGE Company Status RN CC RN VC DAC RN AAC RN FC RN SC RN JC SADC HCC MSDS
S23LNM 87103 EDGE ELECTRONICS CORPORATION C 3 1 6 HD 3 D
S3802-66970S23LNM 80064 NAVAL SHIP SYSTEMS COMMAND C 3 1 1 HD 3 D
Additional Part Information
Part Number CAGE Company Source RN CC RN VC DAC RN AAC RN FC RN SC RN JC SADC HCC MSDS
MILH16235SZS23LNM 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M CRF 3 2 4 HD Y
S23LNM 38450 ENGINEERED COIL COMPANY CRF 2 Y
Management Information
MOEC SOS A A C R C S L C CIIC U P Q U S C Unit Price UI UICF MCD Action Date C/H
DN SMS J 0 U 0 N $239.50 EA 9B----- Oct-01-2025 C
DS SMS J 0 U 0 D $241.00 EA ------- Oct-01-2022 H
DS SMS J 0 U 0 I $239.50 EA ------- Oct-01-2025 C
Technical Characteristics Information
MRC Requirement Statement Reply Statement
AAXX MOUNTING TYPE VENTILATION DUCT
ABAM HEAT MEDIUM TYPE HOT WATER OR STEAM
ABAN MAXIMUM PRESSURE LIMIT 35.0 POUNDS PER SQUARE INCH GAGE
ABAT DUCT HEIGHT 3.250 INCHES
ABAU DUCT WIDTH 14.000 INCHES
ABAW HEAT OUTLET QUANTITY 1
ABAX HEAT DELIVERY DIRECTION HORIZONTAL
ABAY HEAT DISCHARGE OUTLET TYPE STATIONARY
ABAZ HEAT DIRECTING DEVICE FIXED LOUVER
ABGL WIDTH 21.750 INCHES NOMINAL
AEJZ DEPTH 5.000 INCHES NOMINAL
BDXJ HEATING ELEMENT TYPE HOT WATER COIL OR STEAM COIL
CQSJ INCLOSURE MATERIAL ALUMINUM AND COPPER AND COPPER ALLOY AND STEEL CORROSION RESISTING
FEAT SPECIAL FEATURES MAGNETIC PERMEABILITY SHALL BE LESS THAN 1.2 BEFORE FABRICATION AND NOT GREATER THAN 2.0 AFTER FABRICATION AS MEASURED IN A 200 OERSTED FIELD; TUBE HAS 36 FINS PER FT
HGTH HEIGHT 6.250 INCHES NOMINAL
MOE Rules Information
MOE Rule Former MOER Effective AMC AMSC IMC IMCA Collaborators Receivers
N9BZ N9ZD Sep-01-2006 1 T Z GH GX|HD GH|GX
ZR01 Jun-01-1997 ZR ZR
Freight Information

Description: AIR COOLERS WATER EVAPORATIVE Originating Activity: XX
Hazardous Material: National Motor Freight Classification Number: 114130
Less Than One Truckload: W NMFC Sub-Item: Z
Uniform Freight Classification Number: 58510 Rail Variance Code:
Less Than One Carload: M Water Commodity Code: 72E
Type of Cargo Code: Z Special Handling Code: 9
Air Commodity Special Handling Code: VZ Air Dimension Code: A
Integrity Code:
Contact us to request your free trial of LogiQuest® today.   Click here to learn more about LogiQuest®.
Company Logo
Phone Icon (978) 774-7999 x600 Email Icon 

© 2026 Copyright Terabase Corporation.  All rights reserved. ® LogiQuest is a registered trademark of Terabase Corporation. ® Terabase is a registered trademark of Terabase Corporation. Website design by Sperling Interactive.