The Valve Assembly,gage Ppotector, cataloged under National Stock Number 4820-01-012-5730, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-012-5730 |
| Item Name | Valve Assembly,gage Ppotector |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | C/O CHECK VALVE AND SAFETY RELIEF VALVE WITH RELIEF VALVE PERPENDICULAR TO CHECK VALVE;BRASS O/A;280 DEG F MAX TEMP;MEDIA WOG;6000 MAX PSI;600 CRACKING PSI;2 PORTS W/ 0.250 INTERNAL NPT THD DEGF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 65374 | C/1 Advisory reference — outside the item-of-supply concept Drs Environmental Systems Inc |
| 65374 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
| 1159B2PP600 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-012-5730 is a Valve Assembly,gage Ppotector, classified under FSC 4820, Valves, Nonpowered. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 2940-01-033-2780, 5340-01-416-2751, 5120-01-442-8072. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-012-5730: General Characteristics Item Description: C/O CHECK VALVE AND SAFETY RELIEF VALVE WITH RELIEF VALVE PERPENDICULAR TO CHECK VALVE;BRASS O/A;280 DEG F MAX TEMP;MEDIA WOG;6000 MAX PSI;600 CRACKING PSI;2 PORTS W/ 0.250 INTERNAL NPT THD DEGF; End Item Identification: GRUMMAN A-10 AIRCRAFT. 1 specification is 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.