The Valve,butterfly, cataloged under National Stock Number 4820-01-418-4098, 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 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-418-4098 |
| Primary Part Number | 941-703-060-129-062 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Furnished Items and Quantity | 1 BUSHING |
| Renewable Seat Ring Type | PRESSED-IN |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Bolt Circle Nominal Diameter | 9.500 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Material Document and Classification | QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | ASTM-B-164 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | MIL-B-24480 MIL SPEC SINGLE MATERIAL RESPONSE AND ASTM B148-C968 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Valve Size | 6.000 INCHES IN |
| Bonnet Type | PACKING RETAINING |
| Mounting Facility | BRACKET(S) |
| Bolt Hole Quantity | 8 ALL ENDS |
| Face to Face Distance | 2.1562 INCHES IN |
| Media for Which Designed | WATER, SALT SINGLE RESPONSE |
| Material | NICKEL ALLOY STEM |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material | COPPER ALLOY 630 BODY |
| Material | RUBBER BUTADIENE CLASS BR PACKING |
| Material | RUBBER BUTADIENE CLASS BR SEAT |
| Valve Operation Method | MANUAL |
| Nominal Thickness | 2.125 INCHES ALL ENDS IN |
| 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 |
|---|---|
| D129-6-941 6IN | Emerson Automation Solutions Final Control Us Lp (USA) |
| 941-703-060-129-062 PRIMARY | Emerson Automation Solutions Final Control Us Lp (USA) |
| Reference | Meaning |
|---|---|
| 129-1 AND D129- | C/1 Advisory reference — outside the item-of-supply concept Emerson Automation Solutions Final Control Us Lp |
| 129-1 | D/9 Drawing number reference only Emerson Automation Solutions Final Control Us Lp |
NSN 4820-01-418-4098 is a Valve,butterfly, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-418-4098 has 2 manufacturer part numbers on file: D129-6-941 6IN (Emerson Automation Solutions Final Control Us Lp), 941-703-060-129-062 (Emerson Automation Solutions Final Control Us Lp).
Key specifications for 941-703-060-129-062: Flange Shape: ROUND WITH HOLES ALL ENDS; Furnished Items and Quantity: 1 BUSHING; Renewable Seat Ring Type: PRESSED-IN; Flange Face Design: RAISED STRAIGHT ALL ENDS. 23 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.