The Fan,tubeaxial, cataloged under National Stock Number 4140-01-503-3160, 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 Knight Electronics, Inc Div Orion Fans. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-503-3160 |
| Primary Part Number | OA172SAP-11-1TB-XC |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Knight Electronics, Inc Div Orion Fans |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 8 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Inclosure Type | PARTIALLY INCLOSED |
| Length | 2.170 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Flow Direction | OUTWARD |
| Housing Inside Diameter | 6.040 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 41.1 WATTS |
| Style Designator | FIXED |
| Ambient Temp at Full Rated Power | -10.0 CELSIUS AND 70.0 CELSIUS DEGC |
| Height | 6.750 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3400.0 |
| Width | 5.920 INCHES NOMINAL IN |
| Material | ALUMINUM HOUSING |
| Material | PLASTIC POLYCARBONATE BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | TERMINAL |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 300.0 CUBIC FEET PER MINUTE NOMINAL |
| 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 |
|---|---|
| OA172SAP-11-1TB-XC PRIMARY | Knight Electronics, Inc Div Orion Fans (USA) |
| 258-4651 | Amidata Sau (ESP) |
| Reference | Meaning |
|---|---|
| MA2B3 | 5/9 Secondary reference Comair Rotron Inc Sub of Kl Industries Inc |
| 324-6903085-BM-103 | 5/9 Secondary reference Naval Sea Systems Command |
| 031842 | 3/9 Design control — primary reference Comair Rotron Inc Sub of Kl Industries Inc |
| 218039560 | 5/2 Secondary reference U.S. Government activity |
| 98-19512 | 7/2 Vendor item drawing reference Department of Defense Project Manager-Mobile Electric Power |
NSN 4140-01-503-3160 is a Fan,tubeaxial, manufactured by Knight Electronics, Inc Div Orion Fans, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-503-3160 has 2 manufacturer part numbers on file: OA172SAP-11-1TB-XC (Knight Electronics, Inc Div Orion Fans), 258-4651 (Amidata Sau).
1 possible match (shared part number, not a government interchangeability claim): 6550-01-514-2393. Verify interchangeability with system specifications before substitution.
Key specifications for OA172SAP-11-1TB-XC: Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE; Frequency in Hertz: 50.0 AND 60.0. 24 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.