The Valve,unloader, cataloged under National Stock Number 4820-00-950-8374, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-950-8374 |
| Primary Part Number | URG1-06C13 |
| Item Name | Valve,unloader |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| General Characteristics Item Description | CAST IRON; 25 GPM CAPACITY TANK WHICK INCLUDES 0.250 IN. NPT DRAIN CONNECTED DIRECTLY TO TANK AT ATMOSPHERIC PRESSURE; CUTOUT PRESSURE RANGE 500.0 TO 2000.0 PSI; OPERATING TEMPERATURE RANGE MINUS 25.0 TO PLUS 150.0 DEG F; FACTORY PRESET AT 1800.0 PSI; 7-1/8 IN. EXTENDED LG; SUBPLATE MOUNTED PLAIN FACE FLANGE IN RECTANGULAR PATTERN W/4 0.530 IN. DIA MOUNTING HOLES; FLANGE DIMENSIONS,5.725 IN. L BY 4.080 IN. BY 2.000 IN. 4.500 IN. C T C ALONG L 2.720 IN. C T C ALONG W 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 |
|---|---|
| URG1-06C13 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 422950 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| URG1-06B12 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
| 13208E6685 | 7/2 Vendor item drawing reference U.S. Government activity |
| URG1-06C12 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
| 258782 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
NSN 4820-00-950-8374 is a Valve,unloader, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-950-8374 has 2 manufacturer part numbers on file: URG1-06C13 (Eaton Aerospace, Llc Dba Jackson South), 422950 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for URG1-06C13: General Characteristics Item Description: CAST IRON; 25 GPM CAPACITY TANK WHICK INCLUDES 0.250 IN. NPT DRAIN CONNECTED DIRECTLY TO TANK AT ATMOSPHERIC PRESSURE; CUTOUT PRESSURE RANGE 500.0 TO 2000.0 PSI; OPERATING TEMPERATURE RANGE MINUS 25.0 TO PLUS 150.0 DEG F; FACTORY PRESET AT 1800.0 PSI; 7-1/8 IN. EXTENDED LG; SUBPLATE MOUNTED PLAIN FACE FLANGE IN RECTANGULAR PATTERN W/4 0.530 IN. DIA MOUNTING HOLES; FLANGE DIMENSIONS,5.725 IN. L BY 4.080 IN. BY 2.000 IN. 4.500 IN. C T C ALONG L 2.720 IN. C T C ALONG W IN. 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.