PartsTable TECHNICAL DATA SHEET
NSN 4820-01-146-7945Government record, cited

Parts Kit, Ball Valve4820-01-146-7945

NSN 4820-01-146-7945 · NIIN 011467945
FSC 4820 — Valves, Nonpowered · FSG 48 — Valves
Government record, cited
Also searched as  4820-01-146-7945 · 4820011467945 · NIIN 011467945 · 01-146-7945 · FSC 4820 Valves, Nonpowered · 845-1968265 PIECE 1AND5 · 845-1968265
Nearby stock numbers  ·
Features
  • Parts Kit,ball Valve — FSC 4820
  • Component Quantity: 3
  • Supply Items and Quantities: "7/8 I.OD BLACK PLASTIC VAVLE SEAT 2,7/8IN.OD CHROMIUM COATED NICKEL-COPPER ALLOY DRILLED VALVE BALL 1" IN
Identification
  • NSN: 4820-01-146-7945
  • NIIN: 011467945
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
General Description

The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-146-7945, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-146-7945
Item NameParts Kit,ball Valve
FSC / FSG4820 / 48 — Valves, Nonpowered
StatusACTIVE
Component Quantity3
Supply Items and Quantities"7/8 I.OD BLACK PLASTIC VAVLE SEAT 2,7/8IN.OD CHROMIUM COATED NICKEL-COPPER ALLOY DRILLED VALVE BALL 1" IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-147-41422640-503 PIECE 6,76 POSSIBLE MATCH
PARTS KIT,BALL VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-187-1217845-1968265 PIECE 75,5 3/8IN POSSIBLE MATCH
PARTS KIT,BALL VALVE
Possible match (shared part number)Naval Ship Systems Command
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
845-1968265 PIECE 1AND5 3/2 Design control — primary reference
U.S. Government activity
845-1968265 D/9 Drawing number reference only
U.S. Government activity
Related Parts
4820-01-147-4142POSSIBLE MATCH
PARTS KIT,BALL VALVE
2640-503 PIECE 6,76
4820-01-187-1217POSSIBLE MATCH
PARTS KIT,BALL VALVE
845-1968265 PIECE 75,5 3/8IN

Frequently Asked Questions

What is NSN 4820-01-146-7945?

NSN 4820-01-146-7945 is a Parts Kit,ball Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-146-7945?

2 possible matches (shared part number, not a government interchangeability claim): 4820-01-147-4142, 4820-01-187-1217. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-146-7945?

Key specifications for 4820-01-146-7945: Component Quantity: 3; Supply Items and Quantities: "7/8 I.OD BLACK PLASTIC VAVLE SEAT 2,7/8IN.OD CHROMIUM COATED NICKEL-COPPER ALLOY DRILLED VALVE BALL 1" IN. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-146-7945 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.
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