National Stock Number
4730-00-277-5841
National Stock Number (NSN) 4730-00-277-5841, or NIIN 002775841, (clamp,hose) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 4730002782502, 4730002890221.
There are 12 manufacturer part numbers associated with this NSN. 6 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 4 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.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 01, 2020, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (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 4730002775841 does not contain precious metals.
This information was last updated on Jul 01, 2025.