NSN 4330-01-456-6668, 4330014566668
Cancelled -> Replaced by 4240013518590

Federal Supply Classification: FSC 4330 - Centrifugals, Separators, and Pressure and Vacuum Filters
National Item Identification Number: NIIN 014566668
Codification Country: United States
Item Name Code: INC 77777
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: In Stock Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 4330-01-456-6668

National Stock Number (NSN) 4330-01-456-6668, or NIIN 014566668, (strainer assembly,s) was assigned June 22, 1998 in the Federal Logistics Information System (FLIS). This NSN replaces 1 stock number, 4240013518590.

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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 16 contracts issued for this part number, with 16 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE7M125V0692, SPE7M122V3021, SPM7M912V6140, SPM7M912V3916, SPM7M912V3721. The total value of the awarded contracts has been US$ 4,271.44.

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. 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: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 77777. 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 4330014566668 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) ESTRAINER ASSEMBLY,SUMP. 40 MICRON AIR FILTER/BREATHER TO HANDLE 30 CU. FT. OF AIR PER MINUTE AT 1 IN. HG DIFFERENTIAL PRESSURE. EQUIPPED WITH 30 MESH 3 IN. CRES STRAINER. WITHOUT RIGID INNER GUARD.
GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) STRAINER ASSEMBLY,SUMP. 40 MICRON AIR FILTER/BREATHER TO HANDLE 30 CU. FT. OF AIR PER MINUTE AT 1 IN. HG DIFFERENTIAL PRESSURE. EQUIPPED WITH 30 MESH 3 IN. CRES STRAINER. WITHOUT RIGID INNER GUARD.
OVERALL DIAMETER: (ADAV) 3.250 INCHES NOMINAL
OVERALL HEIGHT: (ABKW) 5.080 INCHES NOMINAL