NSN 4820-01-165-7848 · NIIN 011657848 · Part number CYLB 50419-1
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 05624
Government record, cited
NSN 4820-01-165-7848 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-165-7848. Manufacturer of record part number: CYLB 50419-1.
General Characteristics Item Description: STAINLESS STEEL; 2.500 IN. DIA; FLOW,STRAIGHT THRU; MAX TEMP 660 DEG F; MAX PRESSURE 150 PSIG AT 660; PROOF PR 200 PSIG; BURST PR 400 PSIG; MAX LEAK 0.220 LB MIN; OPENING PRESSURE SHALL NOT EXCEED 3.0 IN. WATER LBS
1 manufacturer part number on file
Manufacturer of record: Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
Identification
NSN: 4820-01-165-7848
NIIN: 011657848
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: CYLB 50419-1
Manufacturer: Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
General Description
The Valve Check Assy, cataloged under National Stock Number 4820-01-165-7848, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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
4820-01-165-7848
Primary Part Number
CYLB 50419-1
Item Name
Valve Check Assy
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
Status
ACTIVE
General Characteristics Item Description
STAINLESS STEEL; 2.500 IN. DIA; FLOW,STRAIGHT THRU; MAX TEMP 660 DEG F; MAX PRESSURE 150 PSIG AT 660; PROOF PR 200 PSIG; BURST PR 400 PSIG; MAX LEAK 0.220 LB MIN; OPENING PRESSURE SHALL NOT EXCEED 3.0 IN. WATER LBS
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
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 4820-01-165-7848?
NSN 4820-01-165-7848 is a Valve Check Assy, 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 4820-01-165-7848?
NSN 4820-01-165-7848 has 1 manufacturer part number on file: CYLB 50419-1 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).
What are the specifications of CYLB 50419-1?
Key specifications for CYLB 50419-1: General Characteristics Item Description: STAINLESS STEEL; 2.500 IN. DIA; FLOW,STRAIGHT THRU; MAX TEMP 660 DEG F; MAX PRESSURE 150 PSIG AT 660; PROOF PR 200 PSIG; BURST PR 400 PSIG; MAX LEAK 0.220 LB MIN; OPENING PRESSURE SHALL NOT EXCEED 3.0 IN. WATER LBS. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-165-7848 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.