Valve, Check4820-01-556-1806

NSN 4820-01-556-1806 · NIIN 015561806 · Part number 701-1500-54-3-3

Highland Engineering, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0AK83

Government record, cited

NSN 4820-01-556-1806 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-556-1806. Manufacturer of record part number: 701-1500-54-3-3.

Also searched as 4820-01-556-1806 · 4820015561806 · NIIN 015561806 · 01-556-1806 · FSC 4820 Valves, Nonpowered · CAGE 0AK83 · 701-1500-54-3-3

Nearby stock numbers ← 4820-01-556-1781 Valve, Gate · 4820-01-556-2007 Valve, Ball →

4820-01-556-1806 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Style Designator: STRAIGHT THRU FLANGED ENDS
1 manufacturer part number on file
Manufacturer of record: Highland Engineering, Inc.

Identification

NSN: 4820-01-556-1806
NIIN: 015561806
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 701-1500-54-3-3
Manufacturer: Highland Engineering, Inc.

General Description

The Valve,check, cataloged under National Stock Number 4820-01-556-1806, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Highland Engineering, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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	4820-01-556-1806
Primary Part Number	701-1500-54-3-3
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Highland Engineering, Inc.
Status	ACTIVE
Style Designator	STRAIGHT THRU FLANGED ENDS

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
701-1500-54-3-3 PRIMARY	Highland Engineering, 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 4820-01-556-1806?

NSN 4820-01-556-1806 is a Valve,check, manufactured by Highland Engineering, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-556-1806?

NSN 4820-01-556-1806 has 1 manufacturer part number on file: 701-1500-54-3-3 (Highland Engineering, Inc.).

What are the specifications of 701-1500-54-3-3?

Key specifications for 701-1500-54-3-3: Style Designator: STRAIGHT THRU FLANGED ENDS; Special Features: MATERIAL IS ZINC COPPER NICKLE PER MANUFACTURER; Part Name Assigned by Controlling Agency: CHECK VALVE ASSEMBLY; End Item Identification: N1500 ROWPU. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-556-1806 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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