National Stock Number (NSN) 1660-00-629-7755, or NIIN 006297755, (bellows,pressure) 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 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, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 10 contracts issued for this part number, with 10 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPRPA123P0747, SPRPA122P0430, SPE4A719P9207, SPE4A717V0102, SPE4A716V1847. The total value of the awarded contracts has been US$ 1,050,741.00.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
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$ 320,760. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 05, 2019, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61414. [A MECHANISM HAVING TWO OR MORE FOLDED OR CORRUGATED WALL SURFACES, WHICH CAN EXPAND OR CONTRACT LINEARLY. CONVERTS PRESSURE EFFECTS INTO CONTROLLED LINEAR MOVEMENT OR PROVIDES A PRESSURE SIGNAL TO ANOTHER DEVICE. MAY CONTAIN HEAD, CAPS AND/OR STEM.]. 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 1660006297755 does not contain precious metals.
This NSN is associated to Schedule B 8803300060: other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof). The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.
This information was last updated on Aug 01, 2025.