The Valve,fill and Vent, cataloged under National Stock Number 4820-01-053-8596, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydro-Fitting Manufacturing Corporation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-053-8596 |
| Primary Part Number | 582049-2 |
| Item Name | Valve,fill and Vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hydro-Fitting Manufacturing Corporation |
| Status | ACTIVE |
| FSC Application Data | TEST ASSEMBLY,PRESSURE,FUEL TANK |
| General Characteristics Item Description | MATL: STAINLESS STEEL 347 FOR PARTS IN CONTACT WITH HYDRAZINE BLEND; EPR FOR O-RINGS AND SEALS; POLYTETRAFLUOROETHYLENE BACKUP RING; 1. 865 IN. MAX LG; 0. 750 IN. HEX; PRESSURE RANGE MINUS 15 TO PLUS 400 PSIG; FLUID TEMPERATURE MINUS 40 DEG F TO PLUS 160 DEG F; NEXT HIGHER ASSEMBLY P/N 16A24284-5,CAGE 81755,NSN 4920-01-173-0413 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 |
|---|---|
| 582049-2 | Rgi Inc Dba Rgi Inc (USA) |
| 582049-2 PRIMARY | Hydro-Fitting Manufacturing Corporation (USA) |
| 582049-2 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| C10134-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| 4820PL0655432 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4820-01-053-8596 is a Valve,fill and Vent, manufactured by Hydro-Fitting Manufacturing Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-053-8596 has 3 manufacturer part numbers on file: 582049-2 (Rgi Inc Dba Rgi Inc), 582049-2 (Hydro-Fitting Manufacturing Corporation), 582049-2 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 582049-2: FSC Application Data: TEST ASSEMBLY,PRESSURE,FUEL TANK; General Characteristics Item Description: MATL: STAINLESS STEEL 347 FOR PARTS IN CONTACT WITH HYDRAZINE BLEND; EPR FOR O-RINGS AND SEALS; POLYTETRAFLUOROETHYLENE BACKUP RING; 1. 865 IN. MAX LG; 0. 750 IN. HEX; PRESSURE RANGE MINUS 15 TO PLUS 400 PSIG; FLUID TEMPERATURE MINUS 40 DEG F TO PLUS 160 DEG F; NEXT HIGHER ASSEMBLY P/N 16A24284-5,CAGE 81755,NSN 4920-01-173-0413 IN; End Item Identification: F16. 2 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.