The Ball,valve,ported, cataloged under National Stock Number 4820-01-259-1504, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-259-1504
Item Name
Ball,valve,ported
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Port Diameter
2.000 INCHES NOMINAL IN
Spherical Diameter
3.377 INCHES NOMINAL IN
Port Configuration
STRAIGHT
Stem Accommodation Quantity
1
Port Quantity
2
Material
BRONZE
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.
6110-01-292-0562061901POSSIBLE MATCH
REGULATOR,VOLTAGE
Possible match (shared part number)Nsgdatacom Inc
5998-01-326-924661901POSSIBLE MATCH
PRINTED CIRCUIT BOARD
Possible match (shared part number)Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
1660-01-468-13166190-1POSSIBLE MATCH
FUSE,BRAKE HYDRAULI
Possible match (shared part number)Pneudraulics, Inc.
4130-01-526-003961901POSSIBLE MATCH
VACU-DISCS
Possible match (shared part number)Dcm Clean Air Products, Inc.
1680-01-550-9214POSSIBLE MATCH
BEARING,BALL,ANNULR
Possible match (shared part number)
5120-01-603-5851J61901POSSIBLE MATCH
BIT SET,SCREWDRIVER
Possible match (shared part number)The Stanley Works Dba Stanley Proto
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
76595SA ITEM 2
5/2Secondary reference
U.S. Government activity
76595SA
D/9Drawing number reference only
U.S. Government activity
061901
3/2Design control — primary reference
U.S. Government activity
61901
5/9Secondary reference
U.S. Government activity
Related Parts
6110-01-292-0562POSSIBLE MATCH
REGULATOR,VOLTAGE
061901
5998-01-326-9246POSSIBLE MATCH
PRINTED CIRCUIT BOARD
61901
1660-01-468-1316POSSIBLE MATCH
FUSE,BRAKE HYDRAULI
6190-1
4130-01-526-0039POSSIBLE MATCH
VACU-DISCS
61901
1680-01-550-9214POSSIBLE MATCH
BEARING,BALL,ANNULR
5120-01-603-5851POSSIBLE MATCH
BIT SET,SCREWDRIVER
J61901
Frequently Asked Questions
What is NSN 4820-01-259-1504?
NSN 4820-01-259-1504 is a Ball,valve,ported, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-259-1504?
6 possible matches (shared part number, not a government interchangeability claim): 6110-01-292-0562, 5998-01-326-9246, 1660-01-468-1316. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-259-1504?
Key specifications for 4820-01-259-1504: Port Diameter: 2.000 INCHES NOMINAL IN; Spherical Diameter: 3.377 INCHES NOMINAL IN; Port Configuration: STRAIGHT; Stem Accommodation Quantity: 1. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-259-1504 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.