The Parts Kit,flange,subplate, cataloged under National Stock Number 4820-01-191-4220, 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 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-191-4220 |
| Primary Part Number | 3056159-1 |
| Item Name | Parts Kit,flange,subplate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| General Characteristics Item Description | FLANGE,PRESS AND RETURN 2;SHIPPING PLUGS 2 |
| 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 |
|---|---|
| 3056453 PIECE 14 | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| 3056159-1 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 3056159-1 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
| 3056453 | D/9 Drawing number reference only Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
| 3056453 PIECE 14 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
NSN 4820-01-191-4220 is a Parts Kit,flange,subplate, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-191-4220 has 2 manufacturer part numbers on file: 3056453 PIECE 14 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 3056159-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-357-5942. Verify interchangeability with system specifications before substitution.
Key specifications for 3056159-1: General Characteristics Item Description: FLANGE,PRESS AND RETURN 2;SHIPPING PLUGS 2. 1 specification is 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.