The Duct,air Cleaner, cataloged under National Stock Number 2940-00-421-1601, is classified within Federal Supply Class 2940 (Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft) of the Engine Accessories group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-00-421-1601 |
| Primary Part Number | 10936570 |
| Item Name | Duct,air Cleaner |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| FSC Application Data | VEHICULAR VENTILATION SYSTEMS,NON-AIRCRAFT |
| General Characteristics Item Description | ALUMINUM TUBING,WW-T-787,COMP 5052,TEMPER H34 OR ALUMINUM TUBING,WW-T-789,COMP 6061,TEMPER T6,TYPE 1,MATERIAL OF DUCT,ALUMINUM,QQ-A-318,COMP 5083,TEMPER H34 OR ALUMINUM,QQ-A-327,COMP 6061,TEMPER T6,MATERIAL OF FLANGE,6.000 IN. NOM OD,0.091 IN. NOM WALL THK,90.0 DEG ELBOW AT ENDS,13.437 IN. NOM O/A LG,8.750 IN. FLANGE DIA WITH 6 MTG HOLES,0.437 IN. DIA,EQUALLY SPACED ON 7.750 IN. BOLT CIRCLE,ENAMEL FINISHED PER TT-E-529 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10936570 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 2940004211601 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 2940-00-421-1601 is a Duct,air Cleaner, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-00-421-1601 has 1 manufacturer part number on file: 10936570 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10936570: FSC Application Data: VEHICULAR VENTILATION SYSTEMS,NON-AIRCRAFT; General Characteristics Item Description: ALUMINUM TUBING,WW-T-787,COMP 5052,TEMPER H34 OR ALUMINUM TUBING,WW-T-789,COMP 6061,TEMPER T6,TYPE 1,MATERIAL OF DUCT,ALUMINUM,QQ-A-318,COMP 5083,TEMPER H34 OR ALUMINUM,QQ-A-327,COMP 6061,TEMPER T6,MATERIAL OF FLANGE,6.000 IN. NOM OD,0.091 IN. NOM WALL THK,90.0 DEG ELBOW AT ENDS,13.437 IN. NOM O/A LG,8.750 IN. FLANGE DIA WITH 6 MTG HOLES,0.437 IN. DIA,EQUALLY SPACED ON 7.750 IN. BOLT CIRCLE,ENAMEL FINISHED PER TT-E-529 IN; End Item Identification: 23208358515. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.