The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-175-7788, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International Inc Div Aerospace-South Bend (bendix Dr). Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-175-7788 |
| Primary Part Number | LTCT23682-01 |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| Status | ACTIVE |
| Outside Diameter | 5.550 INCHES NOMINAL IN |
| Material Thickness | 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 4.900 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Hole Diameter | 0.406 INCHES NOMINAL 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 |
|---|---|
| LTCT23682-01 | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
| Reference | Meaning |
|---|---|
| LTCT23682-01 | 5/9 Secondary reference Eastern Tool and Die Co Inc |
| LTCT23682 | D/9 Drawing number reference only U.S. Government activity |
| LTCT23682-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-175-7788 is a Diaphragm,actuator Valve,special, manufactured by Honeywell International Inc Div Aerospace-South Bend (bendix Dr), classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-175-7788 has 1 manufacturer part number on file: LTCT23682-01 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)).
Key specifications for LTCT23682-01: Outside Diameter: 5.550 INCHES NOMINAL IN; Material Thickness: 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Bolt Hole Quantity: 6; Bolt Circle Diameter: 4.900 INCHES NOMINAL IN. 6 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.