The Connecting Rod,piston, cataloged under National Stock Number 4320-01-233-2420, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Connecting Rod,piston |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Huntington Ingalls Inc Div Newport News Shipbuilding (CAGE 43689) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-233-2420 |
| Primary Part Number | 2014-42 PIECE 9 |
| Item Name | Connecting Rod,piston |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2014-42 PIECE 9 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 2014-42 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 518-4457126 | D/9 Drawing number reference only U.S. Government activity |
| 518-4457126 PIECE 9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4320-01-233-2420 is a Connecting Rod,piston, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-233-2420 has 1 manufacturer part number on file: 2014-42 PIECE 9 (Huntington Ingalls Inc Div Newport News Shipbuilding).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-238-0287. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4320-01-233-2420 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.