PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

050872Disk,valve

Hydrasearch Company, Llc · NSN 4820-01-163-3344 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-163-3344 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-163-3344. Primary manufacturer part number: 050872.
Features
  • Disk,valve — FSC 4820
  • Seat Angle: 45.0 DEGREES NOMINAL
  • Shank Diameter: 0.362 INCHES NOMINAL IN
  • Flange Diameter: 0.560 INCHES NOMINAL IN
  • Style Designator: POPPET
  • Material Document and Classification: AMS 5610, COMP 416SE ASSN STD SINGLE MATERIAL RESPONSE
  • Material: STEEL
  • 3 verified cross-references
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 4820-01-163-3344, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hydrasearch Company, Llc. Government technical data includes 6 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-163-3344
Primary Part Number050872
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHydrasearch Company, Llc
StatusACTIVE
Seat Angle45.0 DEGREES NOMINAL
Shank Diameter0.362 INCHES NOMINAL IN
Flange Diameter0.560 INCHES NOMINAL IN
Style DesignatorPOPPET
Material Document and ClassificationAMS 5610, COMP 416SE ASSN STD SINGLE MATERIAL RESPONSE
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-01-163-06455065-ASSY-3-PL1358 INTERCHANGEABLE
Valve,check
Hydrasearch Company, Llc
4820-01-163-1063H-5065-7-PL1362 INTERCHANGEABLE
Valve,check
Hydrasearch Company, Llc
4820-01-163-2577H5065-ASSY-2-PL1357 INTERCHANGEABLE
Valve,check
Hydrasearch Company, Llc
4820-01-163-2692050862 INTERCHANGEABLE
Cage,valve
Hydrasearch Company, Llc
4820-01-163-3192H-5065-9A-PL1363 INTERCHANGEABLE
Valve,check
Hydrasearch Company, Llc
4820-01-163-71523C231PF-5 PL-2756 INTERCHANGEABLE
Valve,check
Hydrasearch Company, Llc
4820-01-163-7299050864 INTERCHANGEABLE
Retainer,disk,valve
Hydrasearch Company, Llc
4820-01-163-7376050873 INTERCHANGEABLE
Disk,valve
Hydrasearch Company, Llc
4820-01-163-8025050875 INTERCHANGEABLE
Disk,valve
Hydrasearch Company, Llc
4820-01-164-7005H5065-ASSY-6-PL1361 INTERCHANGEABLE
Valve,check
Hydrasearch Company, Llc
Cross-Reference Index
Part NumberManufacturer
050872 PRIMARY Hydrasearch Company, Llc (USA)
H-5065 Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging (USA)
H-5065 PIECE 3 Hydrasearch Company, Llc (USA)
Related Parts
4820-01-163-0645INTERCHANGEABLE
VALVE,CHECK
5065-ASSY-3-PL1358
4820-01-163-1063INTERCHANGEABLE
VALVE,CHECK
H-5065-7-PL1362
4820-01-163-2577INTERCHANGEABLE
VALVE,CHECK
H5065-ASSY-2-PL1357
4820-01-163-2692INTERCHANGEABLE
CAGE,VALVE
050862
4820-01-163-3192INTERCHANGEABLE
VALVE,CHECK
H-5065-9A-PL1363
4820-01-163-7152INTERCHANGEABLE
VALVE,CHECK
3C231PF-5 PL-2756
4820-01-163-7299INTERCHANGEABLE
RETAINER,DISK,VALVE
050864
4820-01-163-7376INTERCHANGEABLE
DISK,VALVE
050873
4820-01-163-8025INTERCHANGEABLE
DISK,VALVE
050875
4820-01-164-7005INTERCHANGEABLE
VALVE,CHECK
H5065-ASSY-6-PL1361
4820-01-164-7006INTERCHANGEABLE
VALVE,CHECK
H5065-9B-PL1364
4820-01-164-7274INTERCHANGEABLE
DISK,VALVE
050876

Frequently Asked Questions

What is NSN 4820-01-163-3344?

NSN 4820-01-163-3344 is a Disk,valve, manufactured by Hydrasearch Company, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-163-3344?

NSN 4820-01-163-3344 has 3 cross-referenced part numbers: 050872 (Hydrasearch Company, Llc), H-5065 (Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging), H-5065 PIECE 3 (Hydrasearch Company, Llc).

What NSN replaces 4820-01-163-3344?

There are 12 known substitutes for 4820-01-163-3344: 4820-01-163-0645, 4820-01-163-1063, 4820-01-163-2577 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 050872?

Key specifications for 050872: Seat Angle: 45.0 DEGREES NOMINAL; Shank Diameter: 0.362 INCHES NOMINAL IN; Flange Diameter: 0.560 INCHES NOMINAL IN; Style Designator: POPPET. 8 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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