Piston, Valve4810-01-423-3387

NSN 4810-01-423-3387 · NIIN 014233387 · Part number BYLB993

Ge Aviation Systems Llc Dba Ge Aviation Systems Llc · FSC 4810 — Valves, Powered · FSG 48 — Valves · CAGE 05624

Government record, cited

NSN 4810-01-423-3387 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-423-3387. Manufacturer of record part number: BYLB993.

Also searched as 4810-01-423-3387 · 4810014233387 · NIIN 014233387 · 01-423-3387 · FSC 4810 Valves, Powered · CAGE 05624 · BYLB993

Nearby stock numbers ← 4810-01-423-3208 Valve, Linear, Directional Control · 4810-01-423-3389 Valve, Solenoid →

4810-01-423-3387 — Valves, Powered

Features

Piston,valve — FSC 4810
1 manufacturer part number on file
Manufacturer of record: Ge Aviation Systems Llc Dba Ge Aviation Systems Llc

Identification

NSN: 4810-01-423-3387
NIIN: 014233387
FSC: 4810 — Valves, Powered
FSG: 48 — Valves
Primary part number: BYLB993
Manufacturer: Ge Aviation Systems Llc Dba Ge Aviation Systems Llc

General Description

The Piston,valve, cataloged under National Stock Number 4810-01-423-3387, is classified within Federal Supply Class 4810 (Valves, Powered) 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4810-01-423-3387
Primary Part Number	BYLB993
Item Name	Piston,valve
FSC / FSG	4810 / 48 — Valves, Powered
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
BYLB993 PRIMARY	Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)

No interchangeability data on file.

Other items in FSC 4810 — Valves, Powered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4810-00-001-1247

4810-00-001-1247 · Item name not on file

4810-00-001-4499

VALVE,SOLENOID

4810-00-001-4531

4810-00-001-4531 · Item name not on file

4810-00-001-4532

4810-00-001-4532 · Item name not on file

4810-00-001-4554

4810-00-001-4554 · Item name not on file

4810-00-001-4555

4810-00-001-4555 · Item name not on file

4810-00-001-4556

4810-00-001-4556 · Item name not on file

4810-00-001-4611

4810-00-001-4611 · Item name not on file

Frequently Asked Questions

What is NSN 4810-01-423-3387?

NSN 4810-01-423-3387 is a Piston,valve, manufactured by Ge Aviation Systems Llc Dba Ge Aviation Systems Llc, classified under FSC 4810, Valves, Powered. Status: active.

What part numbers are listed for NSN 4810-01-423-3387?

NSN 4810-01-423-3387 has 1 manufacturer part number on file: BYLB993 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).

What are the specifications of BYLB993?

Key specifications for BYLB993: End Item Identification: C17A ACFT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4810-01-423-3387 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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