National Stock Number
4920-99-838-7975
National Stock Number (NSN) 4920-99-838-7975, or NIIN 998387975, (test cap,aircraft maintenance) has an unknown assigned date. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
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) 66913. [AN ITEM OR ASSEMBLY THAT CLOSES AN EXISTING OPENING DURING MAINTENANCE. IT MAY INCLUDE GASKET(S), OR CLAMPS AND MAY HAVE PROVISIONS FOR DRAINAGE OR BLEEDING PRESSURIZED LINES. IT PROTECTS AN OPENING FROM FOREIGN OBJECTS AND DIRT AND ENABLES TESTING PROCEDURES. EXCLUDES CAP, FILLER, OPENING; CAP, PIPE; CAP, QUICK DISCONNECT; CAP-PLUG, RADIATOR TESTING; PLUG, PROTECTIVE, DUST AND MOISTURE SEAL AND CAP-PLUG, PROTECTIVE, DUST AND MOISTURE SEAL.].
This information was last updated on Jun 16, 2025.