PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5160-B1-380Seat,valve

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · NSN 4820-01-071-9895 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-071-9895 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-071-9895. Primary manufacturer part number: 5160-B1-380.
Features
  • Seat,valve — FSC 4820
  • Material: NICKEL ALLOY BODY
  • 10 verified cross-references
  • Primary manufacturer: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Body construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-071-9895, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-071-9895
Primary Part Number5160-B1-380
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusACTIVE
MaterialNICKEL ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-871-893554386 INTERCHANGEABLE
Seat,valve
The Walworth Company
5950-00-914-5915 INTERCHANGEABLE
Coil,radio Frequency
4820-01-043-36262620-902ASSYCF1 1/2INPC4 INTERCHANGEABLE
Seat,valve
The Walworth Company
4820-01-067-365384094-F-940 INTERCHANGEABLE
Disk,valve
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-073-58492620-902 ASSYC1-2INPC4 INTERCHANGEABLE
Seat,valve
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-075-6588803-2177934-X7XX-19 INTERCHANGEABLE
Seat,valve
Naval Ship Systems Command
5310-01-087-7113SS845-1889587PC6 1IN INTERCHANGEABLE
Locknut,disk Valve
Naval Ship Systems Command
4730-01-088-448470030854 INTERCHANGEABLE
Packing Nut
The Walworth Company
4820-01-105-357251163-F-380 INTERCHANGEABLE
Seat,valve
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-113-07832620-902ASSYB PIECE24 1-2IN INTERCHANGEABLE
Cap,valve
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
5160-B1-380 PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
5160B Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
SS845-1889587 Naval Sea Systems Command (USA)
5160-BP-380 Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
2620-902 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2620-902ASSYD 1 The Walworth Company (USA)
5160-B-380 Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
2620-902ASSYD1/4INPC4 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2620-902ASSYD1/4INPC4 The Walworth Company (USA)
SS845-1889587ASSYD1/4INPC4 Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
Related Parts
4820-00-871-8935INTERCHANGEABLE
SEAT,VALVE
54386
5950-00-914-5915INTERCHANGEABLE
COIL,RADIO FREQUENCY
4820-01-043-3626INTERCHANGEABLE
SEAT,VALVE
2620-902ASSYCF1 1/2INPC4
4820-01-067-3653INTERCHANGEABLE
DISK,VALVE
84094-F-940
4820-01-073-5849INTERCHANGEABLE
SEAT,VALVE
2620-902 ASSYC1-2INPC4
4820-01-075-6588INTERCHANGEABLE
SEAT,VALVE
803-2177934-X7XX-19
5310-01-087-7113INTERCHANGEABLE
LOCKNUT,DISK VALVE
SS845-1889587PC6 1IN
4730-01-088-4484INTERCHANGEABLE
PACKING NUT
70030854
4820-01-105-3572INTERCHANGEABLE
SEAT,VALVE
51163-F-380
4820-01-113-0783INTERCHANGEABLE
CAP,VALVE
2620-902ASSYB PIECE24 1-2IN
4820-01-117-9670INTERCHANGEABLE
DISK,VALVE
2620-902-ASSYB PC 27
4820-01-118-0381INTERCHANGEABLE
VALVE,ANGLE
803-2177934-C626AF

Frequently Asked Questions

What is NSN 4820-01-071-9895?

NSN 4820-01-071-9895 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 4820-01-071-9895?

NSN 4820-01-071-9895 has 10 cross-referenced part numbers: 5160-B1-380 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 5160B (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), SS845-1889587 (Naval Sea Systems Command), 5160-BP-380 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 2620-902 (Electric Boat Corporation Div General Dynamics Electric Boat) and 5 more.

What NSN replaces 4820-01-071-9895?

There are 12 known substitutes for 4820-01-071-9895: 4820-00-871-8935, 5950-00-914-5915, 4820-01-043-3626 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5160-B1-380?

Key specifications for 5160-B1-380: Material: NICKEL ALLOY BODY. 1 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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