The Small Diaphragm Ass, cataloged under National Stock Number 4420-00-650-4672, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Gpe Controls, Inc Dba Shand & Jurs. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Small Diaphragm Ass |
| FSC / FSG | 4420 — Heat Exchangers and Steam Condensers (FSG 44) |
| Manufacturers | Gpe Controls, Inc Dba Shand & Jurs (CAGE 04220); Cae Usa Inc. (CAGE 1PQF4) |
| Parameter | Value |
|---|---|
| NSN | 4420-00-650-4672 |
| Primary Part Number | F57-13577-1PC9 |
| Item Name | Small Diaphragm Ass |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Gpe Controls, Inc Dba Shand & Jurs |
| 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 |
|---|---|
| F57-13577-1PC9 PRIMARY | Gpe Controls, Inc Dba Shand & Jurs (USA) |
| C58-16107-1REVAPC6 PRIMARY | Gpe Controls, Inc Dba Shand & Jurs (USA) |
| B57-13577-5 PRIMARY | Cae Usa Inc. (USA) |
| B57-13577-5 PRIMARY | Gpe Controls, Inc Dba Shand & Jurs (USA) |
| Reference | Meaning |
|---|---|
| 585-208-1887609REVAPC6 | 5/2 Secondary reference U.S. Government activity |
| B57-13577-5 | 5/9 Secondary reference Raytheon Technical Services Company |
NSN 4420-00-650-4672 is a Small Diaphragm Ass, manufactured by Gpe Controls, Inc Dba Shand & Jurs, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-00-650-4672 has 4 manufacturer part numbers on file: F57-13577-1PC9 (Gpe Controls, Inc Dba Shand & Jurs), C58-16107-1REVAPC6 (Gpe Controls, Inc Dba Shand & Jurs), B57-13577-5 (Cae Usa Inc.), B57-13577-5 (Gpe Controls, Inc Dba Shand & Jurs).
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.