The Valve,radiator,heating, cataloged under National Stock Number 4520-01-265-0416, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-265-0416 |
| Primary Part Number | 1869K18 |
| Item Name | Valve,radiator,heating |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| First End Thread Direction | RIGHT-HAND |
| Temp Rating | 250.0 FAHRENHEIT DEGF |
| Second End Nominal Thread Size | 1.000 INCHES IN |
| Body Style | ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS |
| First End Style Designator | PLAIN |
| Second End Nominal Pipe Size Accommodated | 1.000 INCHES IN |
| End Connection Quantity | 2 |
| Second End Thread Direction | RIGHT-HAND |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Second End Relationship with First End | NOT IDENTICAL |
| Second End Style Designator | PLAIN |
| First End Connection Type | THREADED INTERNAL PIPE |
| Media for Which Designed | STEAM |
| First End Nominal Pipe Size Accommodated | 1.000 INCHES IN |
| Material | COPPER ALLOY BODY |
| Second End Connection Type | THREADED EXTERNAL PIPE |
| First End Nominal Thread Size | 1.000 INCHES 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 |
|---|---|
| 1869K18 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 4520-01-265-0416 is a Valve,radiator,heating, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-265-0416 has 1 manufacturer part number on file: 1869K18 (Mcmaster-Carr Supply Co).
Key specifications for 1869K18: First End Thread Direction: RIGHT-HAND; Temp Rating: 250.0 FAHRENHEIT DEGF; Second End Nominal Thread Size: 1.000 INCHES IN; Body Style: ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS. 17 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.