PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5160-F1-380Seat,valve

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · NSN 4820-01-058-3675 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-058-3675 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-058-3675. Primary manufacturer part number: 5160-F1-380.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING OVERALL
  • Style Designator: THREADED FLANGED
  • Thread Series Designator: UN SINGLE THREADED PORTION
  • Seating Surface Shape: FLAT
  • Thread Length: 0.280 INCHES NOMINAL SINGLE THREADED PORTION IN
  • Body Inside Diameter: 0.750 INCHES NOMINAL IN
  • Flange Seat to Disk End Height: 0.156 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-058-3675, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-058-3675
Primary Part Number5160-F1-380
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
Style DesignatorTHREADED FLANGED
Thread Series DesignatorUN SINGLE THREADED PORTION
Seating Surface ShapeFLAT
Thread Length0.280 INCHES NOMINAL SINGLE THREADED PORTION IN
Body Inside Diameter0.750 INCHES NOMINAL IN
Flange Seat to Disk End Height0.156 INCHES NOMINAL IN
Thread Quantity Per Inch20 SINGLE THREADED PORTION
Flange Diameter1.556 INCHES NOMINAL IN
Nominal Thread Size1.375 INCHES SINGLE THREADED PORTION IN
Thread Class2A SINGLE THREADED PORTION A
Under Flange Height0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-01-041-121951158-D-380 INTERCHANGEABLE
Seat,valve
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-067-633451158-E-380 INTERCHANGEABLE
Seat,valve
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-100-214651158-B-380 INTERCHANGEABLE
Seat,valve
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-130-208184246J INTERCHANGEABLE
Disk,valve
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Cross-Reference Index
Part NumberManufacturer
5160-F1-380 PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
51158-F-380 Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
2620-902ASSYD1I Electric Boat Corporation Div General Dynamics Electric Boat (USA)
584-1-594-1 Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
51158F Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
Related Parts
4820-01-041-1219INTERCHANGEABLE
SEAT,VALVE
51158-D-380
4820-01-067-6334INTERCHANGEABLE
SEAT,VALVE
51158-E-380
4820-01-100-2146INTERCHANGEABLE
SEAT,VALVE
51158-B-380
4820-01-130-2081INTERCHANGEABLE
DISK,VALVE
84246J

Frequently Asked Questions

What is NSN 4820-01-058-3675?

NSN 4820-01-058-3675 is a Seat,valve, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-058-3675?

NSN 4820-01-058-3675 has 5 cross-referenced part numbers: 5160-F1-380 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 51158-F-380 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 2620-902ASSYD1I (Electric Boat Corporation Div General Dynamics Electric Boat), 584-1-594-1 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 51158F (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).

What NSN replaces 4820-01-058-3675?

There are 4 known substitutes for 4820-01-058-3675: 4820-01-041-1219, 4820-01-067-6334, 4820-01-100-2146 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5160-F1-380?

Key specifications for 5160-F1-380: Material: STEEL CORROSION RESISTING OVERALL; Style Designator: THREADED FLANGED; Thread Series Designator: UN SINGLE THREADED PORTION; Seating Surface Shape: FLAT. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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