The Disk,valve, cataloged under National Stock Number 4820-01-658-7520, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is W. & O. Supply, Inc. Div Mobile. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-658-7520 |
| Primary Part Number | 36-OLC-272MGS-BOJ ITEM 2 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | W. & O. Supply, Inc. Div Mobile |
| Status | ACTIVE |
| Style Designator | BUTTERFLY |
| Material Document and Classification | ASTM A351-CF8M ASSN STD SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 316 |
| 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 |
|---|---|
| 36-OLC-272MGS-BOJ ITEM 2 | W. & O. Supply, Inc. Div Mobile (USA) |
| Reference | Meaning |
|---|---|
| 36-OLC-272MGS-BOJ ITEM 2 | 3/9 Design control — primary reference Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy |
NSN 4820-01-658-7520 is a Disk,valve, manufactured by W. & O. Supply, Inc. Div Mobile, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-658-7520 has 1 manufacturer part number on file: 36-OLC-272MGS-BOJ ITEM 2 (W. & O. Supply, Inc. Div Mobile).
Key specifications for 36-OLC-272MGS-BOJ ITEM 2: Style Designator: BUTTERFLY; Material Document and Classification: ASTM A351-CF8M ASSN STD SINGLE MATERIAL RESPONSE; End Item Identification: 36" BUTTERFLY VALVE; Material: STEEL COMP 316. 3 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.