The Fan,centrifugal, cataloged under National Stock Number 4140-00-878-7356, 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 Kearfott Corporation Div Guidance and Navigation Division. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-878-7356 |
| Primary Part Number | B1321-54 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | Kearfott Corporation Div Guidance and Navigation Division |
| Status | ACTIVE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Phase | SINGLE |
| Material | ALUMINUM HOUSING |
| Outlet Inside Width | 1.422 INCHES NOMINAL IN |
| Electrical Connection Type | WIRE LEAD |
| Surface Treatment | ENAMEL HOUSING INSIDE |
| Quantity | 1 |
| Outlet Inside Height | 2.750 INCHES NOMINAL IN |
| Frequency in Hertz | 60.0 |
| Features Provided | SAFETY IMPELLER GUARD |
| Voltage in Volts and Current Type | 120.0 AC |
| Stage Quantity | 1 |
| Material | STEEL BLADE |
| Drive Type | DIRECT |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Inclosure Type | FULLY INCLOSED |
| Height | 7.780 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3200.0 |
| Surface Treatment | CADMIUM BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Surface Treatment | ENAMEL HOUSING OUTSIDE |
| Width | 6.460 INCHES NOMINAL IN |
| Length | 7.090 INCHES NOMINAL IN |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Style Designator | FIXED, RECTANGULAR OUTLETS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B1321-54 PRIMARY | Kearfott Corporation Div Guidance and Navigation Division (USA) |
| 8427738-1 | Lockheed Martin Corporation Div Rms (USA) |
| 033662 PRIMARY | Rotron Incorporated (USA) |
| DRFSKS505CCW329AS | Rotron Incorporated (USA) |
| DRFS-KS505CCW-329AF | Rotron Incorporated (USA) |
NSN 4140-00-878-7356 is a Fan,centrifugal, manufactured by Kearfott Corporation Div Guidance and Navigation Division, classified under FSC 4140 (No Item Name Available). Status: active.
NSN 4140-00-878-7356 has 5 cross-referenced part numbers: B1321-54 (Kearfott Corporation Div Guidance and Navigation Division), 8427738-1 (Lockheed Martin Corporation Div Rms), 033662 (Rotron Incorporated), DRFSKS505CCW329AS (Rotron Incorporated), DRFS-KS505CCW-329AF (Rotron Incorporated).
There is 1 known substitute for 4140-00-878-7356: 5961-01-127-2132. Verify interchangeability with system specifications before substitution.
Key specifications for B1321-54: Prime Mover Drive Shaft Bearing Type: BALL; Phase: SINGLE; Material: ALUMINUM HOUSING; Outlet Inside Width: 1.422 INCHES NOMINAL IN. 25 total characteristics are documented in the Federal Logistics Information System.