The Valve,safety Relief, cataloged under National Stock Number 4820-01-485-4375, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-485-4375 |
| Primary Part Number | SW13505E0125MOD |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 2.500 INCHES ALL ENDS IN |
| Material | BRONZE BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SW13505E0125MOD PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| SW135-04E0125/CDS 17050 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| SW135-04E0125/C | C/1 Advisory reference — outside the item-of-supply concept Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| SW135-04E0125/CDS 17050 | 5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
NSN 4820-01-485-4375 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-485-4375 has 1 manufacturer part number on file: SW13505E0125MOD (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for SW13505E0125MOD: Nominal Pipe Size Accommodated: 2.500 INCHES ALL ENDS IN; Special Features: CRACKING PRESSURE 125.0; End Item Identification: CLASS SSN (688); Material: BRONZE BODY. 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.