The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-515-8455, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-515-8455 |
| Primary Part Number | 90006P0046-1 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| Status | ACTIVE |
| Flow Control Device | DISK |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | NOT IDENTICAL |
| Body Style | STRAIGHT THRU |
| Regulation Type | MANUAL SINGLE STAGE |
| End Connection Quantity | 2 |
| Valve Size | 3.000 INCHES IN |
| Manual Control Method | KNOB |
| Mounting Facility | EXTERNAL THREAD |
| Specification/standard Data | 80204-ASME A112.18.1M-1996 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Second End Style Designator | PLAIN |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | PLASTIC FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | COPPER ALLOY STEM |
| Media for Which Designed | WATER |
| Second End Connection Type | UNTHREADED EXTERNAL HOSE |
| Furnished Items | LEVER HANDLE |
| Thread Size and Series/type Designator | 3/8-18 NPT FIRST END |
| 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 |
|---|---|
| 90006P0046-1 | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
| Reference | Meaning |
|---|---|
| ASME A112.18.1M-1996 | 5/1 Secondary reference U.S. Government activity |
| 90006P0046 | 7/2 Vendor item drawing reference Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| L2800-158WS | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-515-8455 is a Valve,regulating,fluid Pressure, manufactured by Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-515-8455 has 1 manufacturer part number on file: 90006P0046-1 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-515-8733. Verify interchangeability with system specifications before substitution.
Key specifications for 90006P0046-1: Flow Control Device: DISK; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: NOT IDENTICAL; Body Style: STRAIGHT THRU. 19 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.