Parts Kit, Ball Valve4820-01-485-2023

NSN 4820-01-485-2023 · NIIN 014852023 · Part number 255583 PIECE 81,256121 PIECE 11

Huntington Ingalls Inc Div Newport News Shipbuilding · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 43689

Government record, cited

NSN 4820-01-485-2023 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-485-2023. Manufacturer of record part number: 255583 PIECE 81,256121 PIECE 11.

Also searched as 4820-01-485-2023 · 4820014852023 · NIIN 014852023 · 01-485-2023 · FSC 4820 Valves, Nonpowered · CAGE 43689 · 255583 PIECE 81,256121 PIECE 11 · 2285-301 PIECE 3,4

Nearby stock numbers ← 4820-01-485-1934 · 4820-01-485-2153 Valve, Ball →

4820-01-485-2023 — Valves, Nonpowered

Features

Parts Kit,ball Valve — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Huntington Ingalls Inc Div Newport News Shipbuilding

Identification

NSN: 4820-01-485-2023
NIIN: 014852023
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 255583 PIECE 81,256121 PIECE 11
Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding

General Description

The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-485-2023, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-485-2023
Primary Part Number	255583 PIECE 81,256121 PIECE 11
Item Name	Parts Kit,ball Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Huntington Ingalls Inc Div Newport News Shipbuilding
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	S

Cross-Reference Index

Part Number	Manufacturer
255583 PIECE 81,256121 PIECE 11 PRIMARY	Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
2285-301 PIECE 3,4 PRIMARY	Huntington Ingalls Inc Div Newport News Shipbuilding (USA)

Frequently Asked Questions

What is NSN 4820-01-485-2023?

NSN 4820-01-485-2023 is a Parts Kit,ball Valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-485-2023?

NSN 4820-01-485-2023 has 2 manufacturer part numbers on file: 255583 PIECE 81,256121 PIECE 11 (Huntington Ingalls Inc Div Newport News Shipbuilding), 2285-301 PIECE 3,4 (Huntington Ingalls Inc Div Newport News Shipbuilding).

What are the specifications of 255583 PIECE 81,256121 PIECE 11?

Key specifications for 255583 PIECE 81,256121 PIECE 11: Part Name Assigned by Controlling Agency: INAVY: PARTS KIT, BALL VLV; DRAWING NAME: SEATS BALL VALVE 2 WAY SEAL 0-700PSI WP; End Item Identification: VALVE, BALL 3 WAY. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-485-2023 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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