The Valve,safety Relief, cataloged under National Stock Number 4820-01-568-3196, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-568-3196 |
| Primary Part Number | 555-8313751 ITEM NO. 12 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Style Designator | ANGLE |
| Material Document and Classification | STAINLESS STEEL TYPE 316 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material | STEEL CORROSION RESISTING BODY |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 555-8313751 ITEM NO. 12 PRIMARY | Naval Sea Systems Command (USA) |
| 4460K81 100-300PSI | Mcmaster-Carr Supply Co (USA) |
NSN 4820-01-568-3196 is a Valve,safety Relief, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-568-3196 has 2 manufacturer part numbers on file: 555-8313751 ITEM NO. 12 (Naval Sea Systems Command), 4460K81 100-300PSI (Mcmaster-Carr Supply Co).
Key specifications for 555-8313751 ITEM NO. 12: Style Designator: ANGLE; Material Document and Classification: STAINLESS STEEL TYPE 316 ASSN STD SINGLE MATERIAL RESPONSE BODY; Part Name Assigned by Controlling Agency: VALVE,ANGLE RELIEF; End Item Identification: AFFF BIOCIDE INJECTION SYSTEM SKID. 4 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.