The Valve,safety Relief, cataloged under National Stock Number 4820-01-588-7072, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pacific Consolidated Industries Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-588-7072 |
| Primary Part Number | S9553-CH-MMO-010 FIG 7-43-31 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pacific Consolidated Industries Llc |
| 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 A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| S9553-CH-MMO-010 FIG 7-43-31 | Pacific Consolidated Industries Llc (USA) |
| S9553-CH-MMO-010 FIG 7-43-31 CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 796691-026 OXYGEN CLEAN CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 796691-026 OXYGEN CLEAN | 3/1 Design control — primary reference Pacific Consolidated Industries Llc |
| 584783-001 | 5/9 Secondary reference Pacific Consolidated Industries Llc |
NSN 4820-01-588-7072 is a Valve,safety Relief, manufactured by Pacific Consolidated Industries Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-588-7072 has 3 manufacturer part numbers on file: S9553-CH-MMO-010 FIG 7-43-31 (Pacific Consolidated Industries Llc), S9553-CH-MMO-010 FIG 7-43-31 CP (Naval Inventory Control Point Mechanicsburg), 796691-026 OXYGEN CLEAN CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for S9553-CH-MMO-010 FIG 7-43-31: Criticality Code Justification: ZZZY; End Item Identification: TANK, ASSY LOX 796503-001 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.
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.