The Valve,y, cataloged under National Stock Number 4820-01-606-5503, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,y |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950); Rix Industries (CAGE 28953) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-606-5503 |
| Primary Part Number | B8742 REV G ITEM 10CP |
| Item Name | Valve,y |
| 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 |
|---|---|
| B8742 REV G ITEM 10CP | Naval Inventory Control Point Mechanicsburg (USA) |
| XMA15-A9549CP | Rix Industries (USA) |
| Reference | Meaning |
|---|---|
| B8742 REV G ITEM 10 | 5/1 Secondary reference Rix Industries |
| XMA15-A9549CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| B8743 | D/9 Drawing number reference only Rix Industries |
| XMA15-A9549 | 3/1 Design control — primary reference Rix Industries |
NSN 4820-01-606-5503 is a Valve,y, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-606-5503 has 2 manufacturer part numbers on file: B8742 REV G ITEM 10CP (Naval Inventory Control Point Mechanicsburg), XMA15-A9549CP (Rix Industries).
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.