NSN 4820-01-453-2976 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-453-2976. Manufacturer of record part number: 3871-S-160.
Flange Seat to Disk End Height: 1.750 INCHES NOMINAL IN
Pressure Rating: 100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Temp Rating: 150.0 FAHRENHEIT NOMINAL DEGF
Outside Diameter: 7.000 INCHES NOMINAL IN
Style Designator: SWING CHECK
Nominal Thread Size: 0.625 INCHES IN
Identification
NSN: 4820-01-453-2976
NIIN: 014532976
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3871-S-160
Manufacturer: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
General Description
The Disk,valve, cataloged under National Stock Number 4820-01-453-2976, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
4820-01-453-2976
Primary Part Number
3871-S-160
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
Reference documents
Reference
Meaning
3871-S
3/9Design control — primary reference
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
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
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
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
D559A3M2
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 4820-01-453-2976?
NSN 4820-01-453-2976 is a Disk,valve, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-453-2976?
NSN 4820-01-453-2976 has 2 manufacturer part numbers on file: 3871-S-160 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 1281-001 6IN ITEM NO.4 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
What are the specifications of 3871-S-160?
Key specifications for 3871-S-160: Shank Diameter: 0.750 INCHES NOMINAL IN; Flange Seat to Disk End Height: 1.750 INCHES NOMINAL IN; Pressure Rating: 100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Temp Rating: 150.0 FAHRENHEIT NOMINAL DEGF. 10 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-453-2976 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.