The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-545-9664, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Electric Heater Co Dba Hubbell Electric Heater Co.. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-545-9664 |
| Primary Part Number | HSRV-10-125 |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Electric Heater Co Dba Hubbell Electric Heater Co. |
| Status | ACTIVE |
| Temp Rating | 210.0 FAHRENHEIT DEGF |
| Body Style | ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS |
| Opening Pressure Setting | ERR-060 |
| Media for Which Designed | WATER, FRESH |
| Furnished Items | MANUAL OPERATING DEVICE |
| 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 |
|---|---|
| HSRV-10-125 PRIMARY | The Electric Heater Co Dba Hubbell Electric Heater Co. (USA) |
| Reference | Meaning |
|---|---|
| 17749 REV A SH 4 PC 7 | 5/1 Secondary reference The Electric Heater Co Dba Hubbell Electric Heater Co. |
| HSRV-10 | D/9 Drawing number reference only The Electric Heater Co Dba Hubbell Electric Heater Co. |
NSN 4820-01-545-9664 is a Valve,relief,pressure and Temper, manufactured by The Electric Heater Co Dba Hubbell Electric Heater Co., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-545-9664 has 1 manufacturer part number on file: HSRV-10-125 (The Electric Heater Co Dba Hubbell Electric Heater Co.).
Key specifications for HSRV-10-125: Temp Rating: 210.0 FAHRENHEIT DEGF; Body Style: ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS; Opening Pressure Setting: ERR-060; Special Features: RELIEF VALVE WITH 3/4" FNPT OUTLET; 3/4" FPT UNION TAIL; 3/4" UNION NUT; EXTENSION TYPE TEMPERATURE SENSING ELEMENT; RELIEF VALVE USED ON A 40 GALLON WATER HEATER. 5 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.