National Stock Number
4730-21-921-3965
National Stock Number (NSN) 4730-21-921-3965, or NIIN 219213965, (clamp,hose) has an unknown assigned date. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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 assigned to Item Name Code (INC) 13566. [A CLAMP IN WHICH THE BODY (BAND OR WIRE) COMPLETELY ENCIRCLES AN ITEM AND DISTRIBUTES A RELATIVELY EVEN AMOUNT OF PRESSURE THROUGHOUT THE ENTIRE 360 DEGREES (6.282 RADIANS) OF THE PERIPHERY OF THE ITEM TO BE COMPRESSED. ITS COMPRESSION QUALITY IS DEPENDENT UPON AN INTEGRAL SCREW MECHANISM, (SCREW, BOLT SPRING COMPRESSION AND THE LIKE MECHANICAL FASTENERS), OR IT MAY BE APPLIED BY A DEVICE NOT INTEGRAL WITH THE CLAMP ITSELF. IT IS SPECIFICALLY DESIGNED TO PREVENT LEAKAGE BETWEEN A HOSE AND ITS ATTACHING CONNECTION(S) WHEN THE BODY OF THE CLAMP IS ROUND OR CIRCULAR. FOR SQUARE, RECTANGULAR, OR IRREGULARLY SHAPED ITEMS, SEE CLAMP, HOSE, SPECIAL-SHAPED. EXCLUDES:CLAMP, ELECTRICAL; CLAMP, LOOP; CLAMP, FIRE HOSE, SHUTOFF; FERRULE (AS MODIFIED); AND HAND SCREW.].
This information was last updated on Nov 12, 2025.