The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-657-6542, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Little Giant Pump Co. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-657-6542 |
| Primary Part Number | 505300 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Little Giant Pump Co |
| Status | ACTIVE |
| Discharge Pressure | 1.4 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| 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 |
|---|---|
| 505300 PRIMARY | Little Giant Pump Co (USA) |
NSN 4320-01-657-6542 is a Pump Unit,centrifugal, manufactured by Little Giant Pump Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-657-6542 has 1 manufacturer part number on file: 505300 (Little Giant Pump Co).
Key specifications for 505300: Discharge Pressure: 1.4 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES; Special Features: LIQUID TEMPERATURE RATING - 49 DEGREES C; MOTOR HOUSING: EPOXY - COATED CAST ALUMINUM; IMPELLER MATERIAL - NYLON; IMPELLER - TYPE - SEMI-OPEN; VOLUTE - NYLON; MOTOR SHAFT - STAINLESS STEEL; AMPS - FLA 5.0. START - 6.4; WATTS 380; MODEL 5-ASP; VOLTS - 115; HORSE POWER - 1/6; SWITCH TYPE/OPERATION - PIHHYBACK DIAPHRAGM; BEARING - BRONZE SLEEVE; SHAFT SEAL - FLUOROELASTOMER (FKM); FASTENER - STAINLESS STEEL; POWER CORD - SJTW; CORD - 10 INCH; 7.78 INCH LENGTH; 6.1 INCH WIDTH; FREQUENCY RATING - HERTZ 6.0 IN; Part Name Assigned by Controlling Agency: UTILITY PUMP SERIES 1/6 HP. 1 specification is 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.