NSN 4820-01-165-3746 · NIIN 011653746 · Part number D27100001
Siemens Energy and Automation Inc Siemens Furnas Controls Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 23826
Government record, cited
NSN 4820-01-165-3746 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-165-3746. Manufacturer of record part number: D27100001.
Nearby stock numbers← 4820-01-165-3600
·
4820-01-165-3781 Sleeve, Directional Control Linea →
4820-01-165-3746 — Valves, Nonpowered
Features
Unloader Valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Siemens Energy and Automation Inc Siemens Furnas Controls Div
Identification
NSN: 4820-01-165-3746
NIIN: 011653746
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: D27100001
Manufacturer: Siemens Energy and Automation Inc Siemens Furnas Controls Div
General Description
The Unloader Valve, cataloged under National Stock Number 4820-01-165-3746, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Siemens Energy and Automation Inc Siemens Furnas Controls Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Technical Specifications
Parameter
Value
NSN
4820-01-165-3746
Primary Part Number
D27100001
Item Name
Unloader Valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Siemens Energy and Automation Inc Siemens Furnas Controls Div
Siemens Energy and Automation Inc Siemens Furnas Controls Div (USA)
Reference documents
Reference
Meaning
10317084
6/9Informative reference only
Nimikkeistokeskus Ncb Finland
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 4820-01-165-3746?
NSN 4820-01-165-3746 is a Unloader Valve, manufactured by Siemens Energy and Automation Inc Siemens Furnas Controls Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-165-3746?
NSN 4820-01-165-3746 has 1 manufacturer part number on file: D27100001 (Siemens Energy and Automation Inc Siemens Furnas Controls Div).
What are the specifications of D27100001?
Key specifications for D27100001: End Item Identification: 4310-01-139-4815. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-165-3746 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.