The Valve,safety Relief, cataloged under National Stock Number 4820-01-588-7198, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-588-7198 |
| Primary Part Number | S9553-CH-MMO-010 FIG 7-36-4 CP |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| S9553-CH-MMO-010 FIG 7-36-4 CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 796726-002 OXYGEN CLEAN CP | Naval Inventory Control Point Mechanicsburg (USA) |
| S9553-CH-MMO-010 FIG 7-36-4 | Pacific Consolidated Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 796726-002 OXYGEN CLEAN | 3/1 Design control — primary reference Pacific Consolidated Industries Llc |
NSN 4820-01-588-7198 is a Valve,safety Relief, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-588-7198 has 3 manufacturer part numbers on file: S9553-CH-MMO-010 FIG 7-36-4 CP (Naval Inventory Control Point Mechanicsburg), 796726-002 OXYGEN CLEAN CP (Naval Inventory Control Point Mechanicsburg), S9553-CH-MMO-010 FIG 7-36-4 (Pacific Consolidated Industries Llc).
Key specifications for S9553-CH-MMO-010 FIG 7-36-4 CP: Criticality Code Justification: ZZZY; Special Features: INAVY: VALVE, RELIEF, MODIFIED 1 IN. IN; End Item Identification: SHIPALT CVN70 9285.03K; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330. 2 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.
NSN 4820-01-588-7198 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.