PartsTable TECHNICAL DATA SHEET

NSN 4820-01-655-8648Government record, cited

Valve, Check4820-01-655-8648

NSN 4820-01-655-8648 · NIIN 016558648 · Part number 22851-100

Hydraulics International, Inc. Dba Hydraulics International Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 56529

Government record, cited

NSN 4820-01-655-8648 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-655-8648. Manufacturer of record part number: 22851-100.

Also searched as 4820-01-655-8648 · 4820016558648 · NIIN 016558648 · 01-655-8648 · FSC 4820 Valves, Nonpowered · CAGE 56529 · 22851-100

Nearby stock numbers ← 4820-01-655-8242 Sleeve, Directional Control Linea · 4820-01-655-8894 Valve, Pneumatic Tank →

4820-01-655-8648 — Valves, Nonpowered

Features

Valve,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Hydraulics International, Inc. Dba Hydraulics International Inc

Identification

NSN: 4820-01-655-8648
NIIN: 016558648
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 22851-100
Manufacturer: Hydraulics International, Inc. Dba Hydraulics International Inc

General Description

The Valve,check, cataloged under National Stock Number 4820-01-655-8648, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	4820-01-655-8648
Primary Part Number	22851-100
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Hydraulics International, Inc. Dba Hydraulics International 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	V

Cross-Reference Index

Part Number	Manufacturer
22851-100 PRIMARY	Hydraulics International, Inc. Dba Hydraulics International Inc (USA)

Reference documents

Reference	Meaning
22851-100	5/9 Secondary reference Hydraulics International, Inc. Dba Use CAGE Code 56529 for Cataloging

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 4820-01-655-8648?

NSN 4820-01-655-8648 is a Valve,check, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-655-8648?

NSN 4820-01-655-8648 has 1 manufacturer part number on file: 22851-100 (Hydraulics International, Inc. Dba Hydraulics International Inc).

What are the specifications of 22851-100?

Key specifications for 22851-100: Part Name Assigned by Controlling Agency: CHECK VALVE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-655-8648 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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