The Stem,support, cataloged under National Stock Number 4820-01-111-2508, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell Inc Honeywell Information Systems Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Stem,support |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Honeywell Inc Honeywell Information Systems Inc (CAGE 04873) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-111-2508 |
| Primary Part Number | 311440 |
| Item Name | Stem,support |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell Inc Honeywell Information Systems Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 311440 PRIMARY | Honeywell Inc Honeywell Information Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 311440 | C/1 Advisory reference — outside the item-of-supply concept Honeywell Inc Residential Div |
NSN 4820-01-111-2508 is a Stem,support, manufactured by Honeywell Inc Honeywell Information Systems Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-111-2508 has 1 manufacturer part number on file: 311440 (Honeywell Inc Honeywell Information Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 4920-01-547-7663. Verify interchangeability with system specifications before substitution.
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.