The Parts Kit,diaphragm Replacement, cataloged under National Stock Number 4820-01-189-6606, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ambac International Corporation Div Ambac International. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Parts Kit,diaphragm Replacement |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Ambac International Corporation Div Ambac International (CAGE 01843) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-189-6606 |
| Primary Part Number | KT404291 |
| Item Name | Parts Kit,diaphragm Replacement |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ambac International Corporation Div Ambac International |
| Status | ACTIVE |
| 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 |
|---|---|
| KT404291 PRIMARY | Ambac International Corporation Div Ambac International (USA) |
| Reference | Meaning |
|---|---|
| KT85221 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| 684934C92 | 5/9 Secondary reference U.S. Government activity |
| 684934C93 | 5/9 Secondary reference Komatsu American Intl Co |
| KT85222-1 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
NSN 4820-01-189-6606 is a Parts Kit,diaphragm Replacement, manufactured by Ambac International Corporation Div Ambac International, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-189-6606 has 1 manufacturer part number on file: KT404291 (Ambac International Corporation Div Ambac International).
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.