NSN 4820-00-391-5702 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-391-5702. Manufacturer of record part number: 803-5959Z17-PC 9.
The Ball,valve,ported, cataloged under National Stock Number 4820-00-391-5702, 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 2 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-391-5702
Primary Part Number
803-5959Z17-PC 9
Item Name
Ball,valve,ported
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Surface Treatment
CHROMIUM
Material
COPPER ALLOY
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6930-00-983-3515POSSIBLE MATCH
INDICATOR,SIMULATED
Possible match (shared part number)
6685-01-353-5801POSSIBLE MATCH
THERMOSTAT,FLOW CONTROL
Possible match (shared part number)
3040-01-423-3603POSSIBLE MATCH
SHAFT,STRAIGHT
Possible match (shared part number)
5340-01-549-572914001171POSSIBLE MATCH
COVER,ACCESS
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5340-01-595-7216POSSIBLE MATCH
COVER,ACCESS
Possible match (shared part number)
7021-01-609-8787S410POSSIBLE MATCH
COMPUTER,DIGITAL
Possible match (shared part number)Getac Inc
4810-01-665-4844S410POSSIBLE MATCH
VALVE,SOLENOID
Possible match (shared part number)Humphrey Products Co
7010-01-684-6186SP4D1AQAWDMEPOSSIBLE MATCH
COMPUTER SYSTEM,DIGITAL
Possible match (shared part number)Getac Inc
4730-01-720-93031000410POSSIBLE MATCH
COUPLING HALF,QUICK DISCONNECT
Possible match (shared part number)Parrish Enterprises, Ltd. Dba Pt Coupling Div Pt
NSN 4820-00-391-5702 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 4820-00-391-5702?
NSN 4820-00-391-5702 has 1 manufacturer part number on file: 803-5959Z17-PC 9 (Naval Sea Systems Command).
What NSN replaces 4820-00-391-5702?
9 possible matches (shared part number, not a government interchangeability claim): 6930-00-983-3515, 6685-01-353-5801, 3040-01-423-3603. Verify interchangeability with system specifications before substitution.
What are the specifications of 803-5959Z17-PC 9?
Key specifications for 803-5959Z17-PC 9: Special Features: 6.010 IN.OD,5.500 IN.ID IN; Surface Treatment: CHROMIUM; Material: COPPER ALLOY. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-391-5702 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.