The Fan,tubeaxial, cataloged under National Stock Number 4140-01-225-1187, 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 B.c. Systems Inc. Dba Bc Systems Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-225-1187 |
| Primary Part Number | 792-31 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | B.c. Systems Inc. Dba Bc Systems Inc |
| Status | ACTIVE |
| Prime Mover Type | ELECTRIC MOTOR |
| 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 |
|---|---|
| 792-31 PRIMARY | B.c. Systems Inc. Dba Bc Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 792-31 | 5/9 Secondary reference Tempo Instrument Inc Defense Electronics Div |
| 792-31 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4140-01-225-1187 is a Fan,tubeaxial, manufactured by B.c. Systems Inc. Dba Bc Systems Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-225-1187 has 1 manufacturer part number on file: 792-31 (B.c. Systems Inc. Dba Bc Systems Inc).
Key specifications for 792-31: End Item Identification: POWER SUPPLY,SUPERIOR MFG MODEL 792; Prime Mover Type: ELECTRIC MOTOR. 1 specification is 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.