Valve, Check4820-01-663-7556

NSN 4820-01-663-7556 · NIIN 016637556 · Part number HCS1015-022

Heatcon Composite Systems, Inc. Dba Heatcon Composite Systems Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0ED96

Government record, cited

NSN 4820-01-663-7556 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-663-7556. Manufacturer of record part number: HCS1015-022.

Also searched as 4820-01-663-7556 · 4820016637556 · NIIN 016637556 · 01-663-7556 · FSC 4820 Valves, Nonpowered · CAGE 0ED96 · HCS1015-022

Nearby stock numbers ← 4820-01-663-7554 Head, Safety, Pressure Relief · 4820-01-663-7588 Stem, Needle Valve →

4820-01-663-7556 — Valves, Nonpowered

Features

Valve,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Heatcon Composite Systems, Inc. Dba Heatcon Composite Systems Inc

Identification

NSN: 4820-01-663-7556
NIIN: 016637556
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: HCS1015-022
Manufacturer: Heatcon Composite Systems, Inc. Dba Heatcon Composite Systems Inc

General Description

The Valve,check, cataloged under National Stock Number 4820-01-663-7556, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Heatcon Composite Systems, Inc. Dba Heatcon Composite Systems Inc. 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	4820-01-663-7556
Primary Part Number	HCS1015-022
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Heatcon Composite Systems, Inc. Dba Heatcon Composite Systems Inc
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
HCS1015-022 PRIMARY	Heatcon Composite Systems, Inc. Dba Heatcon Composite Systems Inc (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 4820-01-663-7556?

NSN 4820-01-663-7556 is a Valve,check, manufactured by Heatcon Composite Systems, Inc. Dba Heatcon Composite Systems Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-663-7556?

NSN 4820-01-663-7556 has 1 manufacturer part number on file: HCS1015-022 (Heatcon Composite Systems, Inc. Dba Heatcon Composite Systems Inc).

What are the specifications of HCS1015-022?

Key specifications for HCS1015-022: Part Name Assigned by Controlling Agency: CHECK VALVE; End Item Identification: ADAPTER ASSY. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-663-7556 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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