The Fan,circulating, cataloged under National Stock Number 4140-00-255-7800, is classified within Federal Supply Class 4140 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-255-7800 |
| Primary Part Number | MIL-F-68 |
| Item Name | Fan,circulating |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Flow Direction | OUTWARD |
| Diameter | 8.000 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 1 BRACKET(S) AND 3 UNTHREADED HOLE(S) |
| Voltage in Volts and Current Type | 115.0 AC |
| Prime Mover Drive Shaft Bearing Type | BALL OR SLEEVE |
| Drive Type | DIRECT |
| Features Provided | SAFETY IMPELLER GUARD |
| Nondefinitive Spec/std Data | 1 CLASS AND SA8 TYPE |
| Rotation Direction for Which Designed | CLOCKWISE |
| Phase | SINGLE |
| Prime Mover Type | ELECTRIC MOTOR |
| Prime Mover Power Rating | 48.0 WATTS |
| Frequency in Hertz | 60.0 |
| Environmental Protection | SHOCK PROOF AND VIBRATION PROOF |
| Speed Adjustments | SINGLE SPEED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4140-00-255-7800 is a Fan,circulating, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4140 (No Item Name Available). Status: active.
NSN 4140-00-255-7800 has 2 cross-referenced part numbers: MIL-F-68 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 41280 (Penn Metal Fabricators Inc).
There are 5 known substitutes for 4140-00-255-7800: 4140-00-255-7798, 4140-00-836-0475, 5935-01-158-5017 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-F-68: Flow Direction: OUTWARD; Diameter: 8.000 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 1 BRACKET(S) AND 3 UNTHREADED HOLE(S); Voltage in Volts and Current Type: 115.0 AC. 15 total characteristics are documented in the Federal Logistics Information System.