NSN 4820-01-640-8165 · NIIN 016408165 · Part number 4VMU1
W.w. Grainger, Inc. Div Government Sales Division · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 25795
Government record, cited
NSN 4820-01-640-8165 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-640-8165. Manufacturer of record part number: 4VMU1.
Also searched as4820-01-640-8165 ·
4820016408165 ·
NIIN 016408165 ·
01-640-8165 ·
FSC 4820 Valves, Nonpowered · CAGE 25795 · 4VMU1
Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp: 353.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Width: 2.76 INCHES ALL ENDS IN
Material: STEEL BODY
1 manufacturer part number on file
Identification
NSN: 4820-01-640-8165
NIIN: 016408165
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 4VMU1
Manufacturer: W.w. Grainger, Inc. Div Government Sales Division
General Description
The Valve,stop-Check, cataloged under National Stock Number 4820-01-640-8165, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 6 specifications, 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
4820-01-640-8165
Primary Part Number
4VMU1
Item Name
Valve,stop-Check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
W.w. Grainger, Inc. Div Government Sales Division
Status
ACTIVE
Nominal Length
2.36 INCHES ALL ENDS IN
Mounting Position
HORIZONTAL
Operating Pressure
200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
W.w. Grainger, Inc. Div Government Sales Division (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 4820-01-640-8165?
NSN 4820-01-640-8165 is a Valve,stop-Check, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-640-8165?
NSN 4820-01-640-8165 has 1 manufacturer part number on file: 4VMU1 (W.w. Grainger, Inc. Div Government Sales Division).
What are the specifications of 4VMU1?
Key specifications for 4VMU1: Nominal Length: 2.36 INCHES ALL ENDS IN; Mounting Position: HORIZONTAL; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Maximum Operating Temp: 353.0 FAHRENHEIT SINGLE RESPONSE DEGF. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-640-8165 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.