The Valve,globe, cataloged under National Stock Number 4820-01-440-4689, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Zidell Valve Corp. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-440-4689 |
| Primary Part Number | 1231-A8-18 1 IN. |
| Item Name | Valve,globe |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Zidell Valve Corp |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Material Document and Classification | ASTM A105NLC ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Valve Size | 1.000 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 5.000 INCHES IN |
| Material | STEEL OVERALL |
| Material | STEEL COMP 410 STEM |
| Material | STEEL COMP 410 SEAT |
| 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 |
|---|---|
| 1231-A8-18 1 IN. PRIMARY | Zidell Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| 1231-A8-18 | 5/1 Secondary reference Zidell Valve Corp |
NSN 4820-01-440-4689 is a Valve,globe, manufactured by Zidell Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-440-4689 has 1 manufacturer part number on file: 1231-A8-18 1 IN. (Zidell Valve Corp).
Key specifications for 1231-A8-18 1 IN.: Flow Control Device: DISK; Furnished Items and Quantity: 1 HANDWHEEL; Flange Face Design: RAISED STRAIGHT ALL ENDS; Connection Type: FLANGE ALL ENDS. 14 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.