The Pin,stem Nut Lock,valve, cataloged under National Stock Number 4820-01-426-8523, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Valve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-426-8523 |
| Primary Part Number | 7272 1.00IN IT48 |
| Item Name | Pin,stem Nut Lock,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Valve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIEL SPEC ASTM A582, T303 STAINLESS STEEL |
| 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 |
|---|---|
| 7272 1.00IN IT48 | Valve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of (USA) |
| Reference | Meaning |
|---|---|
| 7272 1.00IN IT48 | 3/9 Design control — primary reference Newdell Company, the Dba Ladish Valves |
NSN 4820-01-426-8523 is a Pin,stem Nut Lock,valve, manufactured by Valve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-426-8523 has 1 manufacturer part number on file: 7272 1.00IN IT48 (Valve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of).
Key specifications for 7272 1.00IN IT48: General Characteristics Item Description: MATERIEL SPEC ASTM A582, T303 STAINLESS STEEL; Special Features: USED ON 1 IN. GLOBE VALVE, MODEL 7272 IN; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 1 specification is 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.