The Valve,float, cataloged under National Stock Number 4820-01-315-2552, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Val-Matic Valve and Manufacturing Corporation. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-315-2552 |
| Primary Part Number | 101 |
| Item Name | Valve,float |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Val-Matic Valve and Manufacturing Corporation |
| Status | ACTIVE |
| Flow Control Device | BALL |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.000 INCHES ALL ENDS IN |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | IRON CAST BODY |
| Material | RUBBER SEAT |
| Thread Series Designator | NPT ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 101 | Val-Matic Valve and Manufacturing Corporation (USA) |
| Reference | Meaning |
|---|---|
| VM-100 ITEM 101 | 3/9 Design control — primary reference Val-Matic Valve and Manufacturing Corporation |
| VM-100-M | D/9 Drawing number reference only Val-Matic Valve and Manufacturing Corporation |
NSN 4820-01-315-2552 is a Valve,float, manufactured by Val-Matic Valve and Manufacturing Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-315-2552 has 1 manufacturer part number on file: 101 (Val-Matic Valve and Manufacturing Corporation).
Key specifications for 101: Flow Control Device: BALL; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 11 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.