The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-150-6461, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Janke & Company Inc Dba Electronic Brazing Co Div. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-150-6461 |
| Primary Part Number | 68A4-D1139-1 |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Janke & Company Inc Dba Electronic Brazing Co Div |
| Status | ACTIVE |
| Flow Control Device | PISTON, FREE TYPE |
| FSC Application Data | HYDRAULIC TEST STAND |
| Body Style | STRAIGHT THRU |
| First End Style Designator | PLAIN |
| End Connection Quantity | 1 |
| Temp Control Device Type | THERMOSTATIC |
| First End Connection Type | THREADED INTERNAL TUBE |
| Temp Adjustability | ADJUSTABLE |
| Material | ALUMINUM BODY |
| 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 |
|---|---|
| 68A4-D1139-1 PRIMARY | Janke & Company Inc Dba Electronic Brazing Co Div (USA) |
| 68A4-D1139-1 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| 68A4D1139-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1G12R12T2S | 5/1 Secondary reference Danfoss Fluid Power Inc Easley Opn |
| 68A4-D1139 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4820-01-150-6461 is a Valve,relief,pressure and Temper, manufactured by Janke & Company Inc Dba Electronic Brazing Co Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-150-6461 has 3 manufacturer part numbers on file: 68A4-D1139-1 (Janke & Company Inc Dba Electronic Brazing Co Div), 68A4-D1139-1 (Hydraulics International, Inc. Dba Hydraulics International Inc), 68A4D1139-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 68A4-D1139-1: Flow Control Device: PISTON, FREE TYPE; FSC Application Data: HYDRAULIC TEST STAND; Body Style: STRAIGHT THRU; First End Style Designator: PLAIN. 9 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.