NSN 5985-01-251-8121, 5985012518121
DISCRIMINATOR,LOADING-PHASING

Federal Supply Classification: FSC 5985 - Antennas, Waveguides, and Related Equipment
National Item Identification Number: NIIN 012518121
Codification Country: United States
Item Name Code: INC 21203
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.

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DLMS^® Summary

National Stock Number 5985-01-251-8121

National Stock Number (NSN) 5985-01-251-8121, or NIIN 012518121, (discriminator,loading-phasing) was assigned March 24, 1987 in the Federal Logistics Information System (FLIS). NIIN 012518121 was cancelled on May 1, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. None of the associated 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, 2 suppliers are deemed design controlled or valid supply parts.

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

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.

This NSN is assigned to Item Name Code (INC) 21203. [AN ITEM WHICH ELECTRONICALLY LOADS AND RESONATES AN ANTENNA AND TRANSMISSION LINE SYSTEM IN ACCORDANCE WITH CHANGES IN THE OPERATING FREQUENCY OF ASSOCIATED EQUIPMENT. RESONANCE AND LOADING IS EFFECTED BY THE APPLICATION OF CONTROL VOLTAGES TO AN ANTENNA COUPLER. CONTROL VOLTAGES ARE DERIVED BY THE ELECTRICAL DISCRIMINATION OF THE ANGULAR PHASE SHIFT RESULTING FROM STANDING WAVE RATIOS WHEN THE RADIATION SYSTEM IS IN AN OFF-RESONANCE CONDITION. EXCLUDES:DISCRIMINATOR, ELECTRICAL FREQUENCY AND TRANSFORMER, DISCRIMINATOR.]. 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 5985012518121 does not contain precious metals.

This information was last updated on May 01, 2025.