PartsTable TECHNICAL DATA SHEET

NSN 4820-01-565-3783Government record, cited

Valve, Check4820-01-565-3783

NSN 4820-01-565-3783 · NIIN 015653783 · Part number 85020402

Delta Power Hydraulic Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 30058

Government record, cited

NSN 4820-01-565-3783 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-565-3783. Manufacturer of record part number: 85020402.

Also searched as 4820-01-565-3783 · 4820015653783 · NIIN 015653783 · 01-565-3783 · FSC 4820 Valves, Nonpowered · CAGE 30058 · 85020402 · 12KP778 · 12KP778

Nearby stock numbers ← 4820-01-565-3782 Valve, Flow Control · 4820-01-565-3799 Valve Assembly, Manifold →

4820-01-565-3783 — Valves, Nonpowered

Features

Valve,check — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Delta Power Hydraulic Co

Identification

NSN: 4820-01-565-3783
NIIN: 015653783
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 85020402
Manufacturer: Delta Power Hydraulic Co

General Description

The Valve,check, cataloged under National Stock Number 4820-01-565-3783, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Delta Power Hydraulic Co. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-565-3783
Primary Part Number	85020402
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Delta Power Hydraulic Co
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
12KP778	Oshkosh Defense Llc (USA)
85020402 PRIMARY	Delta Power Hydraulic Co (USA)

Reference documents

Reference	Meaning
12KP778	5/9 Secondary reference Oshkosh Corp

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 4820-01-565-3783?

NSN 4820-01-565-3783 is a Valve,check, manufactured by Delta Power Hydraulic Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-565-3783?

NSN 4820-01-565-3783 has 2 manufacturer part numbers on file: 12KP778 (Oshkosh Defense Llc), 85020402 (Delta Power Hydraulic Co).

What are the specifications of 85020402?

Key specifications for 85020402: Part Name Assigned by Controlling Agency: CHECK VALVE; End Item Identification: 2320-01-542-7628;TRUCK,CARGO. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-565-3783 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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