The Valve,butterfly, cataloged under National Stock Number 4820-01-428-4448, 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. Government technical data includes 12 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-428-4448 |
| Primary Part Number | 088-703-030-AR1-000 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 MOUNTING BRACKET |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | ASTM A-276, COND A ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM A-395 GR 60-40-16 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM B-148, UNS C95200, GR A ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Operating Pressure | 175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 3.000 INCHES IN |
| Mounting Facility | WAFER |
| Material | IRON BODY |
| Material | STEEL COMP 316 STEM |
| Material | ALUMINUM ALLOY FLOW CONTROL DEVICE |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 088-703-030-AR1-000 PRIMARY | Emerson Automation Solutions Final Control Us Lp (USA) |
| SM0780 3.0 IN. | Emerson Automation Solutions Final Control Us Lp (USA) |
| Reference | Meaning |
|---|---|
| SM0780 | D/9 Drawing number reference only Emerson Automation Solutions Final Control Us Lp |
| DAR1-3-088 | D/9 Drawing number reference only Emerson Automation Solutions Final Control Us Lp |
NSN 4820-01-428-4448 is a Valve,butterfly, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-428-4448 has 2 manufacturer part numbers on file: 088-703-030-AR1-000 (Emerson Automation Solutions Final Control Us Lp), SM0780 3.0 IN. (Emerson Automation Solutions Final Control Us Lp).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-428-4452, 4820-01-428-6893. Verify interchangeability with system specifications before substitution.
Key specifications for 088-703-030-AR1-000: Furnished Items and Quantity: 1 MOUNTING BRACKET; Style Designator: STRAIGHT THRU; Material Document and Classification: ASTM A-276, COND A ASSN STD SINGLE MATERIAL RESPONSE STEM; Material Document and Classification: ASTM A-395 GR 60-40-16 ASSN STD SINGLE MATERIAL RESPONSE BODY. 12 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.
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.