PartsTable TECHNICAL DATA SHEET

NSN 4820-01-666-6622Government record, cited

Valve Assembly4820-01-666-6622

NSN 4820-01-666-6622 · NIIN 016666622 · Part number 1018369-1

Hamilton Sundstrand Corporation Dba Collins Aerospace · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 73030

Government record, cited

NSN 4820-01-666-6622 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-666-6622. Manufacturer of record part number: 1018369-1.

Also searched as 4820-01-666-6622 · 4820016666622 · NIIN 016666622 · 01-666-6622 · FSC 4820 Valves, Nonpowered · CAGE 73030 · 1018369-1

Nearby stock numbers ← 4820-01-666-6601 Valve, Flow Control · 4820-01-666-6652 Valve, Butterfly →

4820-01-666-6622 — Valves, Nonpowered

Features

Valve Assembly — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Hamilton Sundstrand Corporation Dba Collins Aerospace

Identification

NSN: 4820-01-666-6622
NIIN: 016666622
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1018369-1
Manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace

General Description

The Valve Assembly, cataloged under National Stock Number 4820-01-666-6622, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-666-6622
Primary Part Number	1018369-1
Item Name	Valve Assembly
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Hamilton Sundstrand Corporation Dba Collins Aerospace
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
1018369-1 PRIMARY	Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-666-6622?

NSN 4820-01-666-6622 is a Valve Assembly, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-666-6622?

NSN 4820-01-666-6622 has 1 manufacturer part number on file: 1018369-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What are the specifications of 1018369-1?

Key specifications for 1018369-1: Part Name Assigned by Controlling Agency: CH-53K SIKORSKY HEAVY LIFT HELICOPTER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-666-6622 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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