National Stock Number
6620-00-557-5557
National Stock Number (NSN) 6620-00-557-5557, or NIIN 005575557, (transmitter,pressure) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 4 stock numbers: 6620002346271, 6685005570213, 6620005268307, 6620006638546.
There are 9 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers 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 assigned to Item Name Code (INC) 03375. [AN INSTRUMENT THAT SENSES, MEASURES AND CONVERTS PRESSURE OF A GAS OR FLUID INTO ELECTRICAL SIGNALS TO BE DISPLAYED IN POUNDS PER SQUARE INCH (PSI) OR THE EQUIVALENT. THE ITEM CONTAINS AN INPUT PRESSURE PORT, ELECTRICAL OUTPUT CONNECTION AND MAY INCLUDE AN OUTPUT PRESSURE PORT. SEE ALSO TRANSDUCER, MOTIONAL PICKUP FOR ITEMS WITH A LINEAR MOTIONAL INPUT AND ELECTRICAL OUTPUT TO BE DISPLAYED IN OTHER THAN PSI OR THE EQUIVALENT.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6620005575557 does not contain precious metals.
This NSN is associated to Schedule B 9026900000: parts and accessories for instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334513: instruments and related products manufacturing for measuring, displaying, and controlling industrial process variables.
This information was last updated on Jul 01, 2025.