PartsTable TECHNICAL DATA SHEET

NSN 4820-01-350-1644Government record, cited

Parts Kit, Ball Valve4820-01-350-1644

NSN 4820-01-350-1644 · NIIN 013501644 · Part number 556-6408589-8,28

Naval Sea Systems Command · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 53711

Government record, cited

NSN 4820-01-350-1644 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-350-1644. Manufacturer of record part number: 556-6408589-8,28.

Also searched as 4820-01-350-1644 · 4820013501644 · NIIN 013501644 · 01-350-1644 · FSC 4820 Valves, Nonpowered · CAGE 53711 · 556-6408589-8,28 · 211054858 AND 211054812 · 556-6408589 · DF3330661 FIND 8,28

Nearby stock numbers ← 4820-01-350-1631 Seat, Valve · 4820-01-350-1659 CAGE, Valve →

4820-01-350-1644 — Valves, Nonpowered

Features

Parts Kit,ball Valve — FSC 4820
Component Quantity: 2
Supply Items and Quantities: BALL 1; SEAT 1
2 manufacturer part numbers on file
Manufacturer of record: Naval Sea Systems Command

Identification

NSN: 4820-01-350-1644
NIIN: 013501644
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 556-6408589-8,28
Manufacturer: Naval Sea Systems Command

General Description

The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-350-1644, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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	4820-01-350-1644
Primary Part Number	556-6408589-8,28
Item Name	Parts Kit,ball Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Naval Sea Systems Command
Status	ACTIVE
Component Quantity	2
Supply Items and Quantities	BALL 1; SEAT 1

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 Items 7

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4820-01-350-1705556-6408589-18 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Naval Sea Systems Command

4810-01-492-982214509362 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Naval Sea Systems Command

4820-01-500-656814509361 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Naval Sea Systems Command

4820-01-500-688314509379 POSSIBLE MATCH

VALVE,BALL

Possible match (shared part number)Naval Sea Systems Command

4820-01-645-2248556-6408589-8-ERDF330661D1 POSSIBLE MATCH

SEAT,VALVE

Possible match (shared part number)Naval Sea Systems Command

4820-01-645-2252556-6408589-7-ERDF330661D1 POSSIBLE MATCH

SEAT,VALVE

Possible match (shared part number)Naval Sea Systems Command

5360-01-645-5356556-6408589-38-ERDF330661D2 POSSIBLE MATCH

SPRING,FLAT

Possible match (shared part number)Naval Sea Systems Command

Cross-Reference Index

Part Number	Manufacturer
211054858 AND 211054812	Naval Sea Systems Command (USA)
556-6408589-8,28 PRIMARY	Naval Sea Systems Command (USA)

Reference documents

Reference	Meaning
556-6408589	D/9 Drawing number reference only Naval Sea Systems Command
DF3330661 FIND 8,28	C/1 Advisory reference — outside the item-of-supply concept Huntington Ingalls Inc Div Newport News Shipbuilding

Related Parts

4820-01-350-1705POSSIBLE MATCH

STEM,FLUID VALVE

556-6408589-18

4810-01-492-9822POSSIBLE MATCH

STEM,FLUID VALVE

14509362

4820-01-500-6568POSSIBLE MATCH

STEM,FLUID VALVE

14509361

4820-01-500-6883POSSIBLE MATCH

VALVE,BALL

14509379

4820-01-645-2248POSSIBLE MATCH

SEAT,VALVE

556-6408589-8-ERDF330661D1

4820-01-645-2252POSSIBLE MATCH

SEAT,VALVE

556-6408589-7-ERDF330661D1

5360-01-645-5356POSSIBLE MATCH

SPRING,FLAT

556-6408589-38-ERDF330661D2

Frequently Asked Questions

What is NSN 4820-01-350-1644?

NSN 4820-01-350-1644 is a Parts Kit,ball Valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-350-1644?

NSN 4820-01-350-1644 has 2 manufacturer part numbers on file: 211054858 AND 211054812 (Naval Sea Systems Command), 556-6408589-8,28 (Naval Sea Systems Command).

What NSN replaces 4820-01-350-1644?

7 possible matches (shared part number, not a government interchangeability claim): 4820-01-350-1705, 4810-01-492-9822, 4820-01-500-6568. Verify interchangeability with system specifications before substitution.

What are the specifications of 556-6408589-8,28?

Key specifications for 556-6408589-8,28: Component Quantity: 2; Supply Items and Quantities: BALL 1; SEAT 1. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-350-1644 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.

PartsTable Design LLC · partstable.com