The Valve,safety Relief, cataloged under National Stock Number 4820-01-425-7861, 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 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-425-7861 |
| Primary Part Number | 300LJG |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Flange Face Design | PLAIN SECOND END |
| Connection Type | FLANGE SECOND END |
| Connection Type | FLANGE FIRST END |
| Style Designator | ANGLE FLANGED ENDS |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM A216 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A216 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Second Connection Face to Centerline Distance | 5.380 INCHES IN |
| First Connection Face to Centerline Distance | 5.500 INCHES IN |
| Material | STEEL BODY |
| Material | STEEL FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING STEM |
| 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 |
|---|---|
| 300LJG PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| Reference | Meaning |
|---|---|
| 300LJG | 5/9 Secondary reference Cook Bros. Mfg.& Supply Co. |
| C11538-3 | 5/1 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| C11538-3 | 5/9 Secondary reference Cook Bros. Mfg.& Supply Co. |
NSN 4820-01-425-7861 is a Valve,safety Relief, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-425-7861 has 1 manufacturer part number on file: 300LJG (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
Key specifications for 300LJG: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES FIRST END; Flange Shape: ROUND WITH HOLES SECOND END; Flange Face Design: RAISED STRAIGHT FIRST END. 16 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.