The Stem and Pilot,valve, cataloged under National Stock Number 4820-01-133-1241, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-133-1241 |
| Primary Part Number | NL-267-1 |
| Item Name | Stem and Pilot,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| S-587 PIECE 12 | Emerson Automation Solutions Final Control Us Lp (USA) |
| NL-267-1 PRIMARY | Emerson Automation Solutions Final Control Us Lp (USA) |
| S-587 PIECE 12L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| NL-267-1L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| NL-267-1 | 5/9 Secondary reference U.S. Government activity |
| S-587 PIECE 12 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-133-1241 is a Stem and Pilot,valve, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-133-1241 has 4 manufacturer part numbers on file: S-587 PIECE 12 (Emerson Automation Solutions Final Control Us Lp), NL-267-1 (Emerson Automation Solutions Final Control Us Lp), S-587 PIECE 12L1 (Naval Inventory Control Point Mechanicsburg), NL-267-1L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for NL-267-1: Part Name Assigned by Controlling Agency: STEM AND PILOT5, VALVE (INAVY). 0 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.
NSN 4820-01-133-1241 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.