The Fan,tubeaxial, cataloged under National Stock Number 4140-01-276-1903, 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 Telecommunication Support Services, Inc.. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-276-1903 |
| Primary Part Number | 1D26371G01 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Telecommunication Support Services, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 8 THREADED HOLE(S) |
| Drive Type | DIRECT |
| Electrical Connection Type | TERMINAL |
| 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 |
|---|---|
| 1D26371G01 | Telecommunication Support Services, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1D26371G01 | 5/9 Secondary reference Northrop Grumman Support Services Corp |
| 1D26371G01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-01-276-1903 is a Fan,tubeaxial, manufactured by Telecommunication Support Services, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-276-1903 has 1 manufacturer part number on file: 1D26371G01 (Telecommunication Support Services, Inc.).
Key specifications for 1D26371G01: Mounting Facility Type and Quantity: 8 THREADED HOLE(S); Drive Type: DIRECT; Special Features: INCLUDES TUBEAXIAL FAN,P/N 138C635H01; TERMINAL BOARD P/N 37TB5,MIL-T-55164; End Item Identification: AN/TPS-43E ULSA. 3 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.