NSN 4820-01-478-9192 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-478-9192. Manufacturer of record part number: 845-7284928 ASSY RB.
Operating Pressure: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Outside Diameter: 2.000 INCHES ALL ENDS IN
Valve Operation Method: MANUAL
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 4820-01-478-9192
NIIN: 014789192
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 845-7284928 ASSY RB
Manufacturer: Naval Sea Systems Command
General Description
The Valve,ball, cataloged under National Stock Number 4820-01-478-9192, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-478-9192
Primary Part Number
845-7284928 ASSY RB
Item Name
Valve,ball
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Operating Pressure
700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Outside Diameter
2.000 INCHES ALL ENDS IN
Valve Operation Method
MANUAL
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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-478-9197845-7284928 ITEM 7POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Naval Sea Systems Command
4820-01-478-9253845-7284928 ITEM 9, 10POSSIBLE MATCH
PARTS KIT,BALL VALVE
Possible match (shared part number)Naval Sea Systems Command
5315-01-696-6514845-7284928-ITEM-28POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
Possible match (shared part number)Naval Sea Systems Command
5305-01-696-6515845-7284928-ITEM-44POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Naval Sea Systems Command
5305-01-696-6785845-7284928-ITEM-23POSSIBLE MATCH
SETSCREW
Possible match (shared part number)Naval Sea Systems Command
4820-01-702-5630845-7284928-ITEM-48POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Naval Sea Systems Command
NSN 4820-01-478-9192 is a Valve,ball, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-478-9192?
NSN 4820-01-478-9192 has 1 manufacturer part number on file: 845-7284928 ASSY RB (Naval Sea Systems Command).
What NSN replaces 4820-01-478-9192?
6 possible matches (shared part number, not a government interchangeability claim): 4820-01-478-9197, 4820-01-478-9253, 5315-01-696-6514. Verify interchangeability with system specifications before substitution.
What are the specifications of 845-7284928 ASSY RB?
Key specifications for 845-7284928 ASSY RB: Operating Pressure: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Nominal Outside Diameter: 2.000 INCHES ALL ENDS IN; Valve Operation Method: MANUAL. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-478-9192 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.