NSN 4920-00-273-1665, 4920002731665
TESTER,PRESSURIZED CABIN LEAKAGE

Federal Supply Classification: FSC 4920 - Aircraft Maintenance and Repair Shop Specialized Equipment
National Item Identification Number: NIIN 002731665
Codification Country: United States
Item Name Code: INC 10937
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: (Y) Information is in the Hazardous Materials Information Resource System (HMIRS).

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 4920-00-273-1665

National Stock Number (NSN) 4920-00-273-1665, or NIIN 002731665, (tester,pressurized cabin leakage) 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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 5 years.

This NSN is assigned to Item Name Code (INC) 10937. [A UNIT DESIGNED FOR TESTING, ON THE GROUND, THE VOLUME OF AIR LEAKAGE FROM AIRCRAFT PRESSURIZED CABINS.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 4920002731665 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

III FUNCTIONAL DESCRIPTION: (FTLD) SUPPLIES PRESSURIZED AIR FOR PERFORMANCE CHECKING UNDER PRESSURIZED CONDITIONS
FUNCTIONAL CLASSIFICATION: (FCLS) AA-8.4
FUNCTIONAL DESCRIPTION: (FTLD) SUPPLIES PRESSURIZED AIR FOR PERFORMANCE CHECKING UNDER PRESSURIZED CONDITIONS
GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) PORTABLE,SELF-CONTAINED; GASOLINE-ENGINE-DRIVEN UNIT; 10 TO 400 CUBIC FT PER MINUTE (CFM),2 TO 12.5 LB PER SQUARE IN. (PSI); COMPONENTS: CANOPY SEAL SYSTEM; PRESSURIZATION SYSTEM; MEASURING SYSTEM; TRAILER; CONTROL PANEL; HOUSING; ACCESSORY BOX; PRESSURIZATION HOSE STORAGE DEVICE; ACCESSORIES: ONE AN6270-8-300 HOSE,DUST CAPS; ONE AN6270-6-300 HOSE,DUST CAPS; ONE AN893-12D BUSHING; ONE AN893-2D BUSHING; SET OF ADAPTERS AND GASKET; 25 FT,3.000 IN. INSIDE DIM. AIR HOSE; STETHOSCOPE; PERFORMANCE: OPERATING TEMPERATURES RANGING FROM -20 TO +120 DEGREE F.
REFERENCE DATA AND LITERATURE: (RDAL) T.O. 33D2-28-10-1 AND MIL-T-26141
TYPE/MODEL DESIGNATION: (TMDN) AF/M32T-1
III TYPE/MODEL DESIGNATION: (TMDN) AF/M32T-1