The Guard,fan Impeller, cataloged under National Stock Number 4140-01-197-4272, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-197-4272 |
| Primary Part Number | 12337902-1 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| 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 |
|---|---|
| 12337902-1 | Beswick Corporation (USA) |
| 12337902-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 4140PL2196713 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4140011974272 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 4140-01-197-4272 is a Guard,fan Impeller, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-197-4272 has 2 manufacturer part numbers on file: 12337902-1 (Beswick Corporation), 12337902-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12337902-1: Special Features: USED ON ENGINE INTAKE ON THE M1E,ARMED BATTLE TANK,NSN 2350-01-087-1095,MADE OF SCREEN,WIRE,FABRIC,INDUSTRIAL,TYPE I,CLASS 1,TYPE 304,316 OR 347 STAINLESS STEEL 16 X 16 MESH 016 WIRE SIZE,FOR MORE DETAILS SEE CAGE-DRAWING NUMBER 19207-12337902-1;. 0 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.