The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-334-8697, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Graymills Corporation. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-334-8697 |
| Primary Part Number | 525-13027-74-2.1875 IN |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Graymills Corporation |
| Status | ACTIVE |
| Overall Diameter | 2.1875 INCHES NOMINAL IN |
| Material | PLASTIC |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
|---|---|
| 525-13027-74-2.1875 IN PRIMARY | Graymills Corporation (USA) |
| Reference | Meaning |
|---|---|
| 525-13027-74-2. | C/1 Advisory reference — outside the item-of-supply concept Graymills Corporation |
NSN 4320-01-334-8697 is a Impeller,pump,centrifugal, manufactured by Graymills Corporation, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-334-8697 has 1 manufacturer part number on file: 525-13027-74-2.1875 IN (Graymills Corporation).
Key specifications for 525-13027-74-2.1875 IN: Overall Diameter: 2.1875 INCHES NOMINAL IN; Material: PLASTIC; Rotation Direction for Which Designed: CLOCKWISE. 3 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.