The Cock,drain, cataloged under National Stock Number 4820-01-690-3444, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tectran Mfg Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-690-3444 |
| Primary Part Number | 110 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tectran Mfg Inc |
| Status | ACTIVE |
| Nominal Length | 1.75 INCHES ALL ENDS IN |
| Connection Type | THREADED EXTERNAL BOSS FIRST END |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Thread Quantity Per Inch | 18 FIRST END |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT FIRST END |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 110 PRIMARY | Tectran Mfg Inc (USA) |
| Reference | Meaning |
|---|---|
| 17-60614 | 7/2 Vendor item drawing reference Department of Defense Project Manager-Mobile Electric Power |
NSN 4820-01-690-3444 is a Cock,drain, manufactured by Tectran Mfg Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-690-3444 has 1 manufacturer part number on file: 110 (Tectran Mfg Inc).
Key specifications for 110: Nominal Length: 1.75 INCHES ALL ENDS IN; Connection Type: THREADED EXTERNAL BOSS FIRST END; Style Designator: STRAIGHT THRU; Thread Direction: RIGHT-HAND FIRST END. 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.