National Stock Number
4220-01-228-5644
National Stock Number (NSN) 4220-01-228-5644, or NIIN 012285644, (hood,diver's suit) was assigned March 18, 1986 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. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 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, with the most recent procurement date of Jun 04, 2018. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE8EZ18V0571. The total value of the awarded contracts has been US$ 3,386.79.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
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 Jun 01, 2018, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 37282. [AN ITEM OF HEAD GEAR SPECIFICALLY DESIGNED TO MATE WITH A DIVER'S SUIT (WET OR DRY) TO PROVIDE THERMAL PROTECTION. THE FACE OPENING IS NORMALLY CUSTOM DESIGNED TO PERMIT THE USE OF A HALF OR FULL DIVER'S MASK. THE HOOD COMPOSITION IS OF VARIOUS PLIABLE MATERIALS SUCH AS NEOPRENE, NYLON AND THE LIKE. THE ITEM MAY FORM PART OF A DIVER'S SUIT.]. 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 4220012285644 does not contain precious metals.
This NSN is associated to Schedule B 6506100090: safety headgear, whether or not lined or trimmed, n.e.s.o.i.. The Schedule B End Use is listed as apparel,household goods-nontextile. NAICS classification category 339113: surgical appliance and supplies manufacturing.
This information was last updated on Jun 01, 2025.