The Parts Kit,safety Relief Valve, cataloged under National Stock Number 4820-01-597-4512, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is A.m.m.poggioli. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-597-4512 |
| Primary Part Number | 9123X001 |
| Item Name | Parts Kit,safety Relief Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | A.m.m.poggioli |
| Status | ACTIVE |
| Component Quantity | 4 |
| Document Type | LETTER |
| End Item Source | 94607 |
| Supply Items and Quantities | O-RING, P/N 1168, 1; SEAL, P/N 277L014, 1; VALVE DISK, P/N 3553X001, 1; 4820013464231, DIAPHRAGM, 1 |
| Component Document Origin | INDUSTRIAL |
| End Item Name | SAFETY VALVE |
| 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 |
|---|---|
| 9123X001 | A.m.m.poggioli (FRA) |
| Reference | Meaning |
|---|---|
| 9123X001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-597-4512 is a Parts Kit,safety Relief Valve, manufactured by A.m.m.poggioli, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-597-4512 has 1 manufacturer part number on file: 9123X001 (A.m.m.poggioli).
Key specifications for 9123X001: Component Quantity: 4; Document Type: LETTER; End Item Source: 94607; Supply Items and Quantities: O-RING, P/N 1168, 1; SEAL, P/N 277L014, 1; VALVE DISK, P/N 3553X001, 1; 4820013464231, DIAPHRAGM, 1. 6 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.