NSN 4820-01-558-8387 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-558-8387. Manufacturer of record part number: 803-5001003-A111-3A.
Also searched as4820-01-558-8387 ·
4820015588387 ·
NIIN 015588387 ·
01-558-8387 ·
FSC 4820 Valves, Nonpowered · CAGE 53711 · 803-5001003-A111-3A
Port Diameter: 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Spherical Diameter: 0.801 INCHES NOMINAL IN
Port Configuration: STRAIGHT
Stem Accommodation Quantity: 1
Port Quantity: 2
Material Document and Classification: MIL-T-9047 COMP 6AL-4V MIL SPEC SINGLE MATERIAL RESPONSE V
Material: TITANIUM ALLOY
Identification
NSN: 4820-01-558-8387
NIIN: 015588387
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 803-5001003-A111-3A
Manufacturer: Naval Sea Systems Command
General Description
The Ball,valve,ported, cataloged under National Stock Number 4820-01-558-8387, 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 7 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-558-8387
Primary Part Number
803-5001003-A111-3A
Item Name
Ball,valve,ported
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Port Diameter
0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Spherical Diameter
0.801 INCHES NOMINAL IN
Port Configuration
STRAIGHT
Stem Accommodation Quantity
1
Port Quantity
2
Material Document and Classification
MIL-T-9047 COMP 6AL-4V MIL SPEC SINGLE MATERIAL RESPONSE V
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-558-8387?
NSN 4820-01-558-8387 is a Ball,valve,ported, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-558-8387?
NSN 4820-01-558-8387 has 1 manufacturer part number on file: 803-5001003-A111-3A (Naval Sea Systems Command).
What are the specifications of 803-5001003-A111-3A?
Key specifications for 803-5001003-A111-3A: Port Diameter: 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Spherical Diameter: 0.801 INCHES NOMINAL IN; Port Configuration: STRAIGHT; Stem Accommodation Quantity: 1. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-558-8387 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.