NSN 4140-01-369-8641, 4140013698641
GUARD,FILTER,FAN,SPECIAL

Federal Supply Classification: FSC 4140 - Fans, Air Circulators, and Blower Equipment
National Item Identification Number: NIIN 013698641
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: Readily Available Qualified Suppliers: We have 1 qualified suppliers

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DLMS^® Summary

National Stock Number 4140-01-369-8641

National Stock Number (NSN) 4140-01-369-8641, or NIIN 013698641, (guard,filter,fan,special) was assigned January 8, 1993 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 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. 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.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.

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 4140013698641 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

SPECIAL FEATURES: (FEAT) PROTECTS A 45 PPI FAN FILTER; USED ON COMAIR ROTRON FLIGHT 90,MUFFIN DC,WHISPER XL DC,MUFFIN XL DC,WHISPER XL,MUFFIN,AND MUFFIN XL FANS; 4.86 IN. SQ.