The Pump,reciprocating, cataloged under National Stock Number 4320-01-520-8611, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Bosworth Co. Government technical data includes 15 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-520-8611 |
| Primary Part Number | G500-H |
| Item Name | Pump,reciprocating |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Bosworth Co |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Type | DIAPHRAGM |
| Pumping Element Operating Position | HORIZONTAL |
| Unpackaged Unit Length | 13.000 INCHES NOMINAL IN |
| Pump Reciprocating Design | SINGLE ACTING |
| Unpackaged Unit Width | 5.500 INCHES NOMINAL IN |
| Drive Shaft Type | PLAIN ROUND |
| Unpackaged Unit Height | 4.500 INCHES NOMINAL IN |
| Volume Control Type | PUSH-PULL |
| Cylinder Quantity | 1 |
| Maximum Discharge Flow Rate | 15.0 GALLONS PER MINUTE |
| Discharge Connection Type | QUICK DISCONNECT |
| Intake Connection Quantity | 1 |
| Material | PLASTIC PUMP BASIC |
| Operation Method | MANUAL |
| 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 |
|---|---|
| G500-H PRIMARY | Bosworth Co (USA) |
| Reference | Meaning |
|---|---|
| GUZZLER500H | 5/9 Secondary reference Bosworth Co |
NSN 4320-01-520-8611 is a Pump,reciprocating, manufactured by Bosworth Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-520-8611 has 1 manufacturer part number on file: G500-H (Bosworth Co).
Key specifications for G500-H: Discharge Connection Quantity: 1; Pumping Element Type: DIAPHRAGM; Pumping Element Operating Position: HORIZONTAL; Unpackaged Unit Length: 13.000 INCHES NOMINAL IN. 15 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.