The Valve,angle, cataloged under National Stock Number 4820-01-128-3014, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-128-3014 |
| Primary Part Number | ST7M415-1 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Style Designator | ANGLE |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Features Provided | BONNET PACKING |
| Bonnet Type | INSIDE SPRING |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Bonnet Attachment Method | INTEGRAL |
| Thread Class | 2A SECOND END A |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 24 SECOND END |
| Material | ALUMINUM BODY |
| Thread Series Designator | UNS SECOND END |
| Thread Series Designator | UNF FIRST END |
| 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 |
|---|---|
| ST7M415-1 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| ST7M415 | D/9 Drawing number reference only The Boeing Company Div Defense |
| P38-500 | 3/2 Design control — primary reference U.S. Government activity |
| 10124581 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4820-01-128-3014 is a Valve,angle, manufactured by The Boeing Company Div Defense, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-128-3014 has 1 manufacturer part number on file: ST7M415-1 (The Boeing Company Div Defense).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-209-0752, 3120-01-337-3859. Verify interchangeability with system specifications before substitution.
Key specifications for ST7M415-1: Flow Control Device: DISK; Connection Style: PLAIN (TUBE) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Connection Type: THREADED EXTERNAL TUBE FIRST END. 22 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.