PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2073-5 PIECE 4Disk,valve

Flowserve Corporation Div Flowserve Us Inc · NSN 4820-01-141-4176 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-141-4176 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-141-4176. Primary manufacturer part number: 2073-5 PIECE 4.
Features
  • Disk,valve — FSC 4820
  • Taper Major Diameter: 3.730 INCHES NOMINAL IN
  • Taper Minor Diameter: 1.750 INCHES NOMINAL IN
  • Material: STEEL
  • 3 verified cross-references
  • Primary manufacturer: Flowserve Corporation Div Flowserve Us Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-141-4176, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Corporation Div Flowserve Us Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-141-4176
Primary Part Number2073-5 PIECE 4
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Corporation Div Flowserve Us Inc
StatusACTIVE
Taper Major Diameter3.730 INCHES NOMINAL IN
Taper Minor Diameter1.750 INCHES NOMINAL IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5940-00-230-8125304-0017-000 INTERCHANGEABLE
Terminal,lug
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3010-01-032-6699620735 INTERCHANGEABLE
Insert,flexible Coupling
Rexnord Industries, Llc Div Couplings Division
4820-01-170-91832073-5 PIECE 13 INTERCHANGEABLE
Seat,valve
Flowserve Corporation Div Flowserve Us Inc
Cross-Reference Index
Part NumberManufacturer
2073-5 Flowserve Corporation Div Flowserve Us Inc (USA)
2073-5 PIECE 4 PRIMARY Flowserve Corporation Div Flowserve Us Inc (USA)
2073-5-4 Anchor/darling Valve Co (USA)
Related Parts
5940-00-230-8125INTERCHANGEABLE
TERMINAL,LUG
304-0017-000
3010-01-032-6699INTERCHANGEABLE
INSERT,FLEXIBLE COUPLING
620735
4820-01-170-9183INTERCHANGEABLE
SEAT,VALVE
2073-5 PIECE 13

Frequently Asked Questions

What is NSN 4820-01-141-4176?

NSN 4820-01-141-4176 is a Disk,valve, manufactured by Flowserve Corporation Div Flowserve Us Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-141-4176?

NSN 4820-01-141-4176 has 3 cross-referenced part numbers: 2073-5 (Flowserve Corporation Div Flowserve Us Inc), 2073-5 PIECE 4 (Flowserve Corporation Div Flowserve Us Inc), 2073-5-4 (Anchor/darling Valve Co).

What NSN replaces 4820-01-141-4176?

There are 3 known substitutes for 4820-01-141-4176: 5940-00-230-8125, 3010-01-032-6699, 4820-01-170-9183. Verify interchangeability with system specifications before substitution.

What are the specifications of 2073-5 PIECE 4?

Key specifications for 2073-5 PIECE 4: Taper Major Diameter: 3.730 INCHES NOMINAL IN; Taper Minor Diameter: 1.750 INCHES NOMINAL IN; Overall Height: 11.375 INCHES NOMINAL IN; Material: STEEL. 4 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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