The Valve,butterfly, cataloged under National Stock Number 4820-01-522-1983, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-522-1983 |
| Primary Part Number | 123796-1-1 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Flange Shape | ROUND SECOND END |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Minimum Operating Temp | -65.0 FAHRENHEIT DEGF |
| Connection Type | FLANGE SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Style Designator | STRAIGHT THRU W/BAFFLE |
| Nominal Outside Diameter Tube Accommodated | 5.880 INCHES FIRST END IN |
| Operating Pressure | 20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 160.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter | 5.9975 INCHES SECOND END IN |
| Material | ALUMINUM SEAT |
| Material | ALUMINUM BODY |
| Raised Face Nominal Diameter | 5.8915 INCHES SECOND END IN |
| Valve Operation Method | AUTOMATIC |
| Raised Face Nominal Height | 0.030 INCHES SECOND END IN |
| Nominal Thickness | 0.0625 INCHES SECOND END 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 |
|---|---|
| 123796-1-1 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| 123796-1-1 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 697757-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4820-01-522-1983 is a Valve,butterfly, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-522-1983 has 2 manufacturer part numbers on file: 123796-1-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 123796-1-1 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 123796-1-1: Flange Shape: ROUND SECOND END; Flange Face Design: RAISED STRAIGHT SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Minimum Operating Temp: -65.0 FAHRENHEIT DEGF. 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.