NSN 6625-00-793-1344, 6625007931344
GENERATOR,NOISE

Federal Supply Classification: FSC 6625 - Electrical and Electronic Properties Measuring and Testing Instruments
National Item Identification Number: NIIN 007931344
Codification Country: United States
Item Name Code: INC 41056
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: (P) There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 6625-00-793-1344

National Stock Number (NSN) 6625-00-793-1344, or NIIN 007931344, (generator,noise) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 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, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

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

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 02, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 41056. [AN ITEM THAT GENERATES ONE OR MORE TYPES OF NOISE SIGNALS, COVERING A SPECIFIC PORTION OF THE FREQUENCY SPECTRUM. TYPES OF NOISE GENERATED MAY INCLUDE GAUSSIAN, IMPULSE, THERMAL OR THE LIKE. THE NOISE GENERATED MAY BE ESSENTIALLY RANDOM OR OF KNOWN CONTENT AND DURRATION AT A FIXED RATE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 6625007931344 does not contain precious metals.

This NSN is associated to Schedule B 9030908030: parts and accessories of articles of schedule b subheading 9030.39. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334515: instrument manufacturing for measuring and testing electricity and electrical signals.

This information was last updated on Jul 01, 2025.

Technical Characteristics

SPECIAL FEATURES: (FEAT) LNAVY MANAGED ITEM;ENTRY DATE 73-02-01; FREQUENCY RANGE 10 TO 600 MHZ; EXCESS NOISE RATIO;: 10-30 MHZ,5.20 DB PORM 0.20 DB; 100 MHZ,5.50 DG PORM 0.25 DB; 200 MHZ. 5.80 DB PORM 0.30 DB; 300 MHZ,6.05 DB PORM 0.30 DB; 400 MHZ;6.30 DB PORM 0.50 DB; 500 MHZ,6.50 DB PORM 0.50 DB; 6.60 DB PORM 0.50 DB; SOURCE IMPEDANCE 50 OHMS; REFLECTION COEFFICIENT: LESS THAN 0.91(1.2 SWR),10 TO 400 MHZ; LESS THAN 0.13(1.3 SWR),400 TO 600 MHZ; NOISE GENERATOR: TEMPERATURE-LIMITED DIODE
FUNCTIONAL CLASSIFICATION: (FCLS) AA-1.4
FUNCTIONAL DESCRIPTION: (FTLD) USED FOR IF AND RF AMPLIFIER NOISE MEASUREMENT
REFERENCE DATA AND LITERATURE: (RDAL) TECHNICAL MANUAL 17-20AG-86; HEWLETT PACKARD ELECTRONIC INSTRUMENTS ANDSYSTEM CATALOG P/N 343A
SPECIAL FEATURES: (FEAT) NAVY MANAGED ITEM;ENTRY DATE 73-02-01; FREQUENCY RANGE 10 TO 600 MHZ; EXCESS NOISE RATIO;: 10-30 MHZ,5.20 DB PORM 0.20 DB; 100 MHZ,5.50 DG PORM 0.25 DB; 200 MHZ. 5.80 DB PORM 0.30 DB; 300 MHZ,6.05 DB PORM 0.30 DB; 400 MHZ;6.30 DB PORM 0.50 DB; 500 MHZ,6.50 DB PORM 0.50 DB; 6.60 DB PORM 0.50 DB; SOURCE IMPEDANCE 50 OHMS; REFLECTION COEFFICIENT: LESS THAN 0.91(1.2 SWR),10 TO 400 MHZ; LESS THAN 0.13(1.3 SWR),400 TO 600 MHZ; NOISE GENERATOR: TEMPERATURE-LIMITED DIODE