The Ejector Assembly,air, cataloged under National Stock Number 4320-01-200-2379, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Graham Corp. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4320-01-200-2379 |
| Primary Part Number | 7CH 35787JC |
| Item Name | Ejector Assembly,air |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Graham Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| 7CH 35787JC | Graham Corp (USA) |
| D-30301-1 PIECE 2 | Graham Corp (USA) |
| Reference | Meaning |
|---|---|
| 7CH#35787JC | 3/9 Design control — primary reference Graham Mfg Co Inc for Procurement Use CAGE Code 1lcx3 |
| D-30301-1 | D/9 Drawing number reference only Graham Mfg Co Inc for Procurement Use CAGE Code 1lcx3 |
| D-30301-1 PIECE 2 | 5/9 Secondary reference Graham Mfg Co Inc for Procurement Use CAGE Code 1lcx3 |
NSN 4320-01-200-2379 is a Ejector Assembly,air, manufactured by Graham Corp, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-200-2379 has 2 manufacturer part numbers on file: 7CH 35787JC (Graham Corp), D-30301-1 PIECE 2 (Graham Corp).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-284-4390. Verify interchangeability with system specifications before substitution.
Key specifications for 7CH 35787JC: Special Features: AIR CHAMBER,INLET AND OUTLET DIFFUSER VALVE BRONZE,B143 ALLOY 2A; SECOND STAGE; 125 PSIG A. 0 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.