The Guide and Disk,valve, cataloged under National Stock Number 4820-01-275-3755, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Guide and Disk,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-275-3755 |
| Primary Part Number | C-4573 PIECE 5 AND 6CP |
| Item Name | Guide and Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| C-4573 PIECE 5 AND 6CP | Naval Inventory Control Point Mechanicsburg (USA) |
| PL-2138 PIECE 5 AND 6CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| PL-2138 PIECE 5 AND 6 | C/1 Advisory reference — outside the item-of-supply concept Hydrasearch Company, Llc |
| 045673HN | 3/1 Design control — primary reference Hydrasearch Company, Llc |
| C-4573 PIECE 5 AND 6 | C/1 Advisory reference — outside the item-of-supply concept Hydrasearch Company, Llc |
| 045673HNCP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| PL-2138 PIECE 5 AND 6 | 5/9 Secondary reference Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging |
| C-4573 PIECE 5 AND 6 | 5/9 Secondary reference Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging |
| 45673HJ | C/1 Advisory reference — outside the item-of-supply concept Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging |
NSN 4820-01-275-3755 is a Guide and Disk,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-275-3755 has 2 manufacturer part numbers on file: C-4573 PIECE 5 AND 6CP (Naval Inventory Control Point Mechanicsburg), PL-2138 PIECE 5 AND 6CP (Naval Inventory Control Point Mechanicsburg).
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.