Seat, Valve4820-01-486-3713

NSN 4820-01-486-3713 · NIIN 014863713 · Part number 2285-301 PIECE 4

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

Government record, cited

NSN 4820-01-486-3713 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-486-3713. Manufacturer of record part number: 2285-301 PIECE 4.

Also searched as 4820-01-486-3713 · 4820014863713 · NIIN 014863713 · 01-486-3713 · FSC 4820 Valves, Nonpowered · CAGE 43689 · 2285-301 PIECE 4 · 256121 PIECE 11 · 256121

Nearby stock numbers ← 4820-01-486-3675 Flapper Valve Assy. · 4820-01-486-3723 Valve, Globe →

4820-01-486-3713 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Huntington Ingalls Inc Div Newport News Shipbuilding

Identification

NSN: 4820-01-486-3713
NIIN: 014863713
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 2285-301 PIECE 4
Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-486-3713, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-486-3713
Primary Part Number	2285-301 PIECE 4
Item Name	Seat,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	X

Cross-Reference Index

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

Reference documents

Reference	Meaning
256121	D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding

Frequently Asked Questions

What is NSN 4820-01-486-3713?

NSN 4820-01-486-3713 is a Seat,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 4820-01-486-3713?

NSN 4820-01-486-3713 has 2 manufacturer part numbers on file: 256121 PIECE 11 (Huntington Ingalls Inc Div Newport News Shipbuilding), 2285-301 PIECE 4 (Huntington Ingalls Inc Div Newport News Shipbuilding).

What are the specifications of 2285-301 PIECE 4?

Key specifications for 2285-301 PIECE 4: Special Features: E/I:3IN.X3IN.X3 IN.,3 PORT BALL LINE VALVE,2 WAY SEAL 0-700 PSI.WP IN; End Item Identification: LOS ANGELES CLASS SSN (688). 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-486-3713 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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