National Stock Number (NSN) 4730-00-278-0422, or NIIN 002780422, (clamp,hose) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 4 stock numbers: 4730011746644, 4730005406139, 4730002789111, 4730002779388.
There are 12 manufacturer part numbers associated with this NSN. 7 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 8 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Nov 20, 2017. There have been 2 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7M418V1421, SPM54006DBP02, SPM54006DBP02. The total value of the awarded contracts has been US$ 3,294.39.
This NSN is very common among different weapons systems, belonging to 43 different platforms.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 28, 2010, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
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 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 4730002780422 does not contain precious metals.
This information was last updated on Aug 01, 2025.