PartsTable TECHNICAL DATA SHEET

NSN 4820-01-256-5151Government record, cited

Valve, Check4820-01-256-5151

NSN 4820-01-256-5151 · NIIN 012565151 · Part number 16246-1

Hexco International Dba Acd · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 15275

Government record, cited

NSN 4820-01-256-5151 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-256-5151. Manufacturer of record part number: 16246-1.

Also searched as 4820-01-256-5151 · 4820012565151 · NIIN 012565151 · 01-256-5151 · FSC 4820 Valves, Nonpowered · CAGE 15275 · 16246-1 · 16226 ITEM 14

Nearby stock numbers ← 4820-01-256-4998 Regulator, Thermostatic Temperature · 4820-01-256-5152 Valve, Check →

4820-01-256-5151 — Valves, Nonpowered

Features

Valve,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Hexco International Dba Acd

Identification

NSN: 4820-01-256-5151
NIIN: 012565151
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 16246-1
Manufacturer: Hexco International Dba Acd

General Description

The Valve,check, cataloged under National Stock Number 4820-01-256-5151, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hexco International Dba Acd. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Valve,check
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Hexco International Dba Acd (CAGE 15275)

Technical Specifications

Parameter	Value
NSN	4820-01-256-5151
Primary Part Number	16246-1
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Hexco International Dba Acd
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
16246-1 PRIMARY	Hexco International Dba Acd (USA)

Reference documents

Reference	Meaning
16226 ITEM 14	5/9 Secondary reference Hexco International Dba Acd

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 4820-01-256-5151?

NSN 4820-01-256-5151 is a Valve,check, manufactured by Hexco International Dba Acd, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-256-5151?

NSN 4820-01-256-5151 has 1 manufacturer part number on file: 16246-1 (Hexco International Dba Acd).

Is NSN 4820-01-256-5151 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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