The Diaphragm,unloader, cataloged under National Stock Number 4310-00-374-9507, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Diaphragm,unloader |
| FSC / FSG | 4310 — Compressors and Vacuum Pumps (FSG 43) |
| Manufacturers | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (CAGE 9F512) |
| Parameter | Value |
|---|---|
| NSN | 4310-00-374-9507 |
| Primary Part Number | 16347 |
| Item Name | Diaphragm,unloader |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 16347 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
| Reference | Meaning |
|---|---|
| 16347 | 5/9 Secondary reference Compair Kellogg Div of Robertshaw Controls Co |
NSN 4310-00-374-9507 is a Diaphragm,unloader, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-374-9507 has 1 manufacturer part number on file: 16347 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division).
4 possible matches (shared part number, not a government interchangeability claim): 4710-01-062-1947, 4820-01-171-2250, 5950-01-509-5435. 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.
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.