The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-317-3585, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil. Government technical data includes 13 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-317-3585 |
| Primary Part Number | 18-005-125 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
| Status | ACTIVE |
| Flow Control Device | BELLOWS |
| Second End Relationship with First End | IDENTICAL |
| Body Style | ANGLE |
| First End Style Designator | PLAIN |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| End Connection Quantity | 2 |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY STEM |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Material | NICKEL ALLOY SEAT |
| Furnished Items | UNION NUT AND TAILPIECE |
| 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 |
|---|---|
| 1002-04-D | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| 18-005-125 PRIMARY | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
NSN 4820-01-317-3585 is a Valve,regulating,temperature, manufactured by Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-317-3585 has 2 manufacturer part numbers on file: 1002-04-D (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil), 18-005-125 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil).
Key specifications for 18-005-125: Flow Control Device: BELLOWS; Second End Relationship with First End: IDENTICAL; Body Style: ANGLE; First End Style Designator: PLAIN. 13 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.