National Stock Number
6635-00-355-6318
National Stock Number (NSN) 6635-00-355-6318, or NIIN 003556318, (compaction cylinder,soil) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are 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 Dec 11, 2017. There have been 6 contracts issued for this part number, with 6 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A618P4618, SPM4A612V7960, SPM4A611VC491, SPM4A611VB747, SPM4A611MLY02. The total value of the awarded contracts has been US$ 22,051.10.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 3,959. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 26, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 20970. [A METALLIC DEVICE FOR COMPACTING SOIL AND SOIL-CEMENT SPECIMENS FOR TESTS, SUCH AS MOISTURE-DENSITY AND DURABILITY TESTS. IT CONSISTS OF A CYLINDRICAL MOLD IN WHICH THE SPECIMENS ARE COMPACTED, A DETACHABLE COLLAR, OR EXTENSION, AND A DETACHABLE BASE TO WHICH THE MOLD AND COLLAR ASSEMBLY IS FASTENED. THE MOLD BORE MAY BE EITHER STRAIGHT OR TAPERED AND THE MOLD WALL EITHER SOLID (CONTINUOUS) OR SPLIT, THE TAPER BORE AND THE SPLIT WALL FACILITATING THE REMOVAL OF THE SPECIMEN. INTERNAL DIMENSIONS ARE MACHINED TO CLOSE TOLERANCES TO INSURE VOLUMETRIC ACCURACY.]. 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 6635003556318 does not contain precious metals.
This NSN is associated to Schedule B 7224900000: semifinished products of other alloy steel. The Schedule B End Use is listed as iron and steel mill products.
This information was last updated on Jul 01, 2025.