PartsTable TECHNICAL DATA SHEET

NSN 4820-01-481-9020Government record, cited

Valve, Check4820-01-481-9020

NSN 4820-01-481-9020 · NIIN 014819020 · Part number RYLB-53182

Ge Aviation Systems Llc Dba Ge Aviation Systems Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 05624

Government record, cited

NSN 4820-01-481-9020 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-481-9020. Manufacturer of record part number: RYLB-53182.

Also searched as 4820-01-481-9020 · 4820014819020 · NIIN 014819020 · 01-481-9020 · FSC 4820 Valves, Nonpowered · CAGE 05624 · RYLB-53182 · 17B2N9016-501

Nearby stock numbers ← 4820-01-481-8752 Cylinder, Valve Pist · 4820-01-481-9057 Valve, Check →

4820-01-481-9020 — Valves, Nonpowered

Features

Valve,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Ge Aviation Systems Llc Dba Ge Aviation Systems Llc

Identification

NSN: 4820-01-481-9020
NIIN: 014819020
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: RYLB-53182
Manufacturer: Ge Aviation Systems Llc Dba Ge Aviation Systems Llc

General Description

The Valve,check, cataloged under National Stock Number 4820-01-481-9020, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ge Aviation Systems Llc Dba Ge Aviation Systems Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (CAGE 05624)

Technical Specifications

Parameter	Value
NSN	4820-01-481-9020
Primary Part Number	RYLB-53182
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Ge Aviation Systems Llc Dba Ge Aviation Systems 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
RYLB-53182 PRIMARY	Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)

Reference documents

Reference	Meaning
17B2N9016-501	7/2 Vendor item drawing reference U.S. Government activity

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 4820-01-481-9020?

NSN 4820-01-481-9020 is a Valve,check, manufactured by Ge Aviation Systems Llc Dba Ge Aviation Systems Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-481-9020?

NSN 4820-01-481-9020 has 1 manufacturer part number on file: RYLB-53182 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).

Is NSN 4820-01-481-9020 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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