The Disk,valve, cataloged under National Stock Number 4820-01-240-3179, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Floworks Usa Lp Dba Flotech Div Jacksonville. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-240-3179 |
| Primary Part Number | N1053Y7M-6 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Floworks Usa Lp Dba Flotech Div Jacksonville |
| Status | ACTIVE |
| Pressure Rating | 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Outside Diameter | 3.450 INCHES NOMINAL IN |
| Style Designator | BUTTERFLY |
| Material Document and Classification | MIL-P-17091, TYPE 1-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE |
| Material Thickness | 0.500 INCHES NOMINAL IN |
| Bolt Circle Diameter | 1.875 INCHES NOMINAL IN |
| Media for Which Designed | GAS OR OIL |
| Material | PLASTIC POLYAMIDE NYLON |
| 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 |
|---|---|
| N1053Y7M-6 PRIMARY | Floworks Usa Lp Dba Flotech Div Jacksonville (USA) |
| Reference | Meaning |
|---|---|
| 803-1385623-051-06 | 3/2 Design control — primary reference U.S. Government activity |
| 803-1385623 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-240-3179 is a Disk,valve, manufactured by Floworks Usa Lp Dba Flotech Div Jacksonville, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-240-3179 has 1 manufacturer part number on file: N1053Y7M-6 (Floworks Usa Lp Dba Flotech Div Jacksonville).
Key specifications for N1053Y7M-6: Pressure Rating: 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Outside Diameter: 3.450 INCHES NOMINAL IN; Style Designator: BUTTERFLY; Material Document and Classification: MIL-P-17091, TYPE 1-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE. 8 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.