The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-477-6042, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Armstrong Pumps Inc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-477-6042 |
| Primary Part Number | S-55-1 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Armstrong Pumps Inc |
| Status | ACTIVE |
| Pump Quantity | 1 |
| Current Type | AC |
| Voltage in Volts | 115.0 AND 230.0 |
| Prime Mover Type | ELECTRIC MOTOR |
| Total Head | 23.000 FEET FT |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Maximum Discharge Flow Rate | 105.0 GALLONS PER MINUTE |
| Centrifugal Pump Design | RADIAL FLOW |
| Pumping Element Operating Position | HORIZONTAL |
| Discharge Connection Thread Size and Series/type Designator | 3.000-8 NPT |
| Inclosure Type | OPEN |
| Cooling Method | SELF VENTILATED |
| Discharge Pressure | 25.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Centrifugal Pump Impeller Quantity | 1 |
| Intake Connection Thread Size and Series/type Designator | 3.000-8 NPT |
| Prime Mover Power Rating | 0.5 HORSEPOWER |
| Operating Speed at Rated Capacity | 1750.0 REVOLUTIONS PER MINUTE |
| Phase | SINGLE |
| Frequency in Hertz | 60.0 |
| Prime Mover Cooling Medium | AIR |
| Environmental Protection | DRIPPROOF |
| Prime Mover Quantity | 1 |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Stage Quantity | 1 |
| Discharge Connection Type | THREADED INTERNAL |
| Media for Which Designed | WATER, FRESH |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4320-00-477-6042 is a Pump Unit,centrifugal, manufactured by Armstrong Pumps Inc, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-477-6042 has 3 cross-referenced part numbers: PD35S (Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div), 80462 (Howell Laboratories Inc Dba Shively Labs Div Shively Labs), S-55-1 (Armstrong Pumps Inc).
There are 2 known substitutes for 4320-00-477-6042: 5330-00-221-4138, 4730-00-278-8873. Verify interchangeability with system specifications before substitution.
Key specifications for S-55-1: Pump Quantity: 1; Current Type: AC; Voltage in Volts: 115.0 AND 230.0; Prime Mover Type: ELECTRIC MOTOR. 28 total characteristics are documented in the Federal Logistics Information System.