The Valve,butterfly, cataloged under National Stock Number 4820-01-449-0739, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Senior Supply Co Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-449-0739 |
| Primary Part Number | 02-1WA-5X3XGF-3MG |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Senior Supply Co Inc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDWHEEL AND 1 MOUNTING BRACKET |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | MIL-B-24480 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 2.000 INCHES IN |
| Specification/standard Data | 81349-MIL-V-24624 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | A STYLE AND III TYPE |
| Mounting Facility | WAFER |
| Media for Which Designed | WATER, SALT SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY STEM |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| 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 |
|---|---|
| 02-1WA-5X3XGF-3MG | Senior Supply Co Inc (USA) |
| 02-1WA-5X3XGF-3MG | Nightwine Valves & Actuation, Llc (USA) |
| Reference | Meaning |
|---|---|
| 02-1WA-5X3XGF-3MG | 3/9 Design control — primary reference Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy |
| MIL-DTL-24624 | 4/1 Identification reference U.S. Government activity |
| 02-1WA-5X3XGF-3 | C/1 Advisory reference — outside the item-of-supply concept Exidyne Instrumentation Technologies Inc |
| MIL-V-24624 | 5/9 Secondary reference U.S. Government activity |
| NAVA3-F | D/9 Drawing number reference only Mcc Holdings, Inc. Dba Crane Valve North America Use CAGE Code 59309 for Cataloging |
NSN 4820-01-449-0739 is a Valve,butterfly, manufactured by Senior Supply Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-449-0739 has 2 manufacturer part numbers on file: 02-1WA-5X3XGF-3MG (Senior Supply Co Inc), 02-1WA-5X3XGF-3MG (Nightwine Valves & Actuation, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-449-0764. Verify interchangeability with system specifications before substitution.
Key specifications for 02-1WA-5X3XGF-3MG: Furnished Items and Quantity: 1 HANDWHEEL AND 1 MOUNTING BRACKET; Style Designator: STRAIGHT THRU; Material Document and Classification: MIL-B-24480 MIL SPEC SINGLE MATERIAL RESPONSE BODY; Material Document and Classification: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE STEM. 15 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.