The Impeller Ring, cataloged under National Stock Number 4320-01-112-3701, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-112-3701 |
| Primary Part Number | E-11011-C040A |
| Item Name | Impeller Ring |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| General Characteristics Item Description | BRONZE ASTM B584 ALLOY 903; QUANTITY REQUIRED 2; 9.985 IN. OD,9.500 IN. ID,1/16 BY 45 DEG CHAMFER IN |
| 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 |
|---|---|
| E-11011-C040A PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| E-11011 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| PL-999D0530 PIE | C/1 Advisory reference — outside the item-of-supply concept Circor Naval Solutions Llc Dba Warren Pumps |
NSN 4320-01-112-3701 is a Impeller Ring, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-112-3701 has 1 manufacturer part number on file: E-11011-C040A (Circor Naval Solutions Llc Dba Warren Pumps).
Key specifications for E-11011-C040A: General Characteristics Item Description: BRONZE ASTM B584 ALLOY 903; QUANTITY REQUIRED 2; 9.985 IN. OD,9.500 IN. ID,1/16 BY 45 DEG CHAMFER IN. 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.