The Piston,compressor, cataloged under National Stock Number 4310-01-416-5964, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4310-01-416-5964 |
| Primary Part Number | 6405732 FIND 9 |
| Item Name | Piston,compressor |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Ring Groove Width | 0.400 INCHES NOMINAL IN |
| Integral Connecting Rod | NOT INCLUDED |
| Surface Finish | FINISHED |
| Special Test Features | BASE HAS TWO FLAT SIDES 1.75IN.APART IN |
| Diameter | 3.290 INCHES MINIMUM AND 3.310 INCHES MAXIMUM IN |
| Ring Groove Diameter | 2.930 INCHES NOMINAL IN |
| Pin | NOT INCLUDED |
| Head Style | HAT |
| Ring Groove Quantity | 1 |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | NOT INCLUDED |
| Pin Hole Bushing | NOT INCLUDED |
| Material | COPPER ALLOY 706 |
| Skirt Type | SOLID |
| 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 |
|---|---|
| 6405732 FIND 9 PRIMARY | Naval Sea Systems Command (USA) |
| DF2018-96 FIND 9 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 546-6405732 ITE | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 4310-01-416-5964 is a Piston,compressor, manufactured by Naval Sea Systems Command, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-416-5964 has 2 manufacturer part numbers on file: 6405732 FIND 9 (Naval Sea Systems Command), DF2018-96 FIND 9 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 6405732 FIND 9: Overall Height: 3.000 INCHES NOMINAL IN; Ring Groove Width: 0.400 INCHES NOMINAL IN; Integral Connecting Rod: NOT INCLUDED; Surface Finish: FINISHED. 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.