The Tailpiece,valve, cataloged under National Stock Number 4820-01-151-3884, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-151-3884 |
| Primary Part Number | 803-5001003-X9XX-86 |
| Item Name | Tailpiece,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Design Type | STRAIGHT |
| Connection Type | THREADED EXTERNAL PIPE |
| Valve Size for Which Designed | 2.500 INCHES IN |
| 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 |
|---|---|
| 803-5001003-X9XX-86 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 298-00-204 | D/9 Drawing number reference only Circor Intl Inc |
| 298-00-204 PIECE 20 2 1-2IN | 5/9 Secondary reference Circor Intl Inc |
| 803-5001003-X951-86 | 3/9 Design control — primary reference Naval Sea Systems Command |
NSN 4820-01-151-3884 is a Tailpiece,valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-151-3884 has 1 manufacturer part number on file: 803-5001003-X9XX-86 (Naval Sea Systems Command).
Key specifications for 803-5001003-X9XX-86: Design Type: STRAIGHT; Connection Type: THREADED EXTERNAL PIPE; Valve Size for Which Designed: 2.500 INCHES IN. 3 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.