The Guide,valve Stem, cataloged under National Stock Number 4820-01-180-1096, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is W. & O. Supply, Inc. Dba W & O Supply Inc Div Corporate Location. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-180-1096 |
| Primary Part Number | PL4141 ITEM 27 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | W. & O. Supply, Inc. Dba W & O Supply Inc Div Corporate Location |
| Status | ACTIVE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| PL4141 ITEM 27 PRIMARY | W. & O. Supply, Inc. Dba W & O Supply Inc Div Corporate Location (USA) |
| NB22692525 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 26925-25 | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
| 26925-25 | 5/9 Secondary reference W. & O. Supply, Inc. Dba W & O Supply Inc Div Corporate Location |
| PL4141 ITEM 27 | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4820-01-180-1096 is a Guide,valve Stem, manufactured by W. & O. Supply, Inc. Dba W & O Supply Inc Div Corporate Location, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-180-1096 has 2 manufacturer part numbers on file: PL4141 ITEM 27 (W. & O. Supply, Inc. Dba W & O Supply Inc Div Corporate Location), NB22692525 (Leslie Controls, Inc. Dba Leslie Controls Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-192-7792, 5995-01-235-4468. Verify interchangeability with system specifications before substitution.
Key specifications for PL4141 ITEM 27: Material: COPPER ALLOY. 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.