PartsTable TECHNICAL DATA SHEET

NSN 4820-01-565-6561Government record, cited

Valve, Check4820-01-565-6561

NSN 4820-01-565-6561 · NIIN 015656561 · Part number 3113841C1

Nd Defense Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 338X5

Government record, cited

NSN 4820-01-565-6561 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-565-6561. Manufacturer of record part number: 3113841C1.

Also searched as 4820-01-565-6561 · 4820015656561 · NIIN 015656561 · 01-565-6561 · FSC 4820 Valves, Nonpowered · CAGE 338X5 · 3113841C1 · C131116 · C131116 · 4820PL1003362 · CVH081P

Nearby stock numbers ← 4820-01-565-6557 Parts Kit, Valve · 4820-01-565-6577 Valve, Calibrated Flow →

4820-01-565-6561 — Valves, Nonpowered

Features

Valve,check — FSC 4820
3 manufacturer part numbers on file
Manufacturer of record: Nd Defense Llc

Identification

NSN: 4820-01-565-6561
NIIN: 015656561
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3113841C1
Manufacturer: Nd Defense Llc

General Description

The Valve,check, cataloged under National Stock Number 4820-01-565-6561, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Nd Defense Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	Parker Hannifin Limited (CAGE U3675); Bae Systems Defence Information Solutions & Services (diss) (CAGE KC6F9); Nd Defense Llc (CAGE 338X5)

Technical Specifications

Parameter	Value
NSN	4820-01-565-6561
Primary Part Number	3113841C1
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Nd Defense Llc
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
C131116	Parker Hannifin Limited (GBR)
C131116	Bae Systems Defence Information Solutions & Services (diss) (GBR)
3113841C1 PRIMARY	Nd Defense Llc (USA)

Reference documents

Reference	Meaning
4820PL1003362	6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index
CVH081P	5/9 Secondary reference Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division

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 4820-01-565-6561?

NSN 4820-01-565-6561 is a Valve,check, manufactured by Nd Defense Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-565-6561?

NSN 4820-01-565-6561 has 3 manufacturer part numbers on file: C131116 (Parker Hannifin Limited), C131116 (Bae Systems Defence Information Solutions & Services (diss)), 3113841C1 (Nd Defense Llc).

Is NSN 4820-01-565-6561 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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