NSN 6660-01-148-4205, 6660011484205
PROPAGATION FREQUENCY EVALUATION

Federal Supply Classification: FSC 6660 - Meteorological Instruments and Apparatus
National Item Identification Number: NIIN 011484205
Codification Country: United States
Item Name Code: INC 00712
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (Y) Information is in the Hazardous Materials Information Resource System (HMIRS).

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 6660-01-148-4205

National Stock Number (NSN) 6660-01-148-4205, or NIIN 011484205, (propagation frequency evaluation) was assigned March 5, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 02, 1999, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 00712. [ALL THE COMPONENTS AND ITEMS REQUIRED TO OPERATE A COMPLETE ELECTRONIC SYSTEM TO DETERMINE THE USABLE FREQUENCIES FOR TRANSMISSION OF ELECTROMAGNETIC WAVES VIA AN IONOSPHERIC PATH.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 6660011484205 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

STORAGE TEMP RANGE: (AFJQ) -80.0/+160.0 DEG FAHRENHEIT
JOINT ELECTRONICS TYPE DESIGNATION SYSTEM ITEM NAME: (AKWA) DIGITAL IONOSPHERIC SOUNDING SYSTEM
FUNCTIONAL DESCRIPTION: (FTLD) MEASURES,RECORDS,TRANSMITS VERTICAL IONOSPHERIC INFO INCL FREQ,HEIGHTS,COEFFICIENTS USED TO DEFINE E AND F LAYERS OF IONOSPHERE
PART NAME ASSIGNED BY CONTROLLING AGENCY: (CXCY) DIGITAL IONOSPHERIC SOUNDING SYSTEM
SPECIAL FEATURES: (FEAT) C/O HIGH FREQ RADIO PULSED TRANSMITTER,HF RADIO RECEIVER,EMBEDDED COMPUTER AND ON-SITE AND REMOTE PERIPHERAL EQUIPMENT;FREQ 1.0-30 MHZ IN 1MHZ INCREMENTS;OBSERVATION EVERY 5,10,15,30,60MINS. OR NORMALLY ONCE EVERY 15 MINS.FROM REMOTE/ON-SITE;AUTOMATIC RESTART;RACK MTD;72.000 IN.H;21.750 IN.D;COLOR SEMI-GLOSS BLUE NO.25488 FED-STD-595;RELIABILITY OF 800 HOURS
REFERENCE DATA AND LITERATURE: (RDAL) 31M1-2FMQ12-4
STORAGE TEMP RANGE: (AFJQ) -80.0 TO 160.0 FAHRENHEIT
TEST DATA DOCUMENT: (TEST) 98749-82-033A SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
JOINT ELECTRONICS TYPE DESIGNATION SYSTEM ITEM TYPE NUMBER: (AKWB) AN/FMQ-12
STORAGE TEMP RANGE: (AFJQ) -80.0 TO 160.0 DEG FAHRENHEIT