The Valve,safety Relief, cataloged under National Stock Number 4820-01-192-1527, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-192-1527 |
| Primary Part Number | 9601D-1-81SST |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | ACTIVE |
| Flow Control Device | DISKDISK |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Bolt Circle Nominal Diameter | 3.880 INCHES FIRST END IN |
| Bolt Hole Nominal Diameter | 0.620 INCHES FIRST END IN |
| Valve Size | 1.500 INCHES IN |
| Second Connection Face to Centerline Distance | 4.750 INCHES IN |
| Bolt Hole Quantity | 4 FIRST END |
| First Connection Face to Centerline Distance | 4.750 INCHES IN |
| Valve Operation Method | AUTOMATIC |
| Nominal Thickness | 0.690 INCHES FIRST END IN |
| 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 |
|---|---|
| 9601D-1-81SST PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| Reference | Meaning |
|---|---|
| 9601 | D/9 Drawing number reference only Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-192-1527 is a Valve,safety Relief, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-192-1527 has 1 manufacturer part number on file: 9601D-1-81SST (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
Key specifications for 9601D-1-81SST: Flow Control Device: DISKDISK; Flange Shape: ROUND WITH HOLES FIRST END; Bolt Circle Nominal Diameter: 3.880 INCHES FIRST END IN; Bolt Hole Nominal Diameter: 0.620 INCHES FIRST END IN. 10 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.