PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0856870000Cap,valve

Parker-Hannifin Corporation Div Hydraulic Accumulator Division · NSN 4820-01-321-8345 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-321-8345 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-321-8345. Primary manufacturer part number: 0856870000.
Features
  • Cap,valve — FSC 4820
  • Material: STEEL
  • Height: 1.500 INCHES NOMINAL IN
  • Width: 1.250 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Div Hydraulic Accumulator Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Cap,valve, cataloged under National Stock Number 4820-01-321-8345, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Div Hydraulic Accumulator Division. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-321-8345
Primary Part Number0856870000
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Div Hydraulic Accumulator Division
StatusACTIVE
MaterialSTEEL
Height1.500 INCHES NOMINAL IN
Width1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5306-00-144-3649 INTERCHANGEABLE
Bolt,machine
2825-00-379-3573400-055 INTERCHANGEABLE
Wheel,turbine,blade
Siemens Energy, Inc.
3110-00-571-1806400055 INTERCHANGEABLE
Ring,bearing,inner
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
6105-01-318-7356 INTERCHANGEABLE
Stator,motor
Cross-Reference Index
Part NumberManufacturer
400055 Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA)
0856870000 PRIMARY Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA)
400055 Paquin Co the (USA)
Related Parts
5306-00-144-3649INTERCHANGEABLE
BOLT,MACHINE
2825-00-379-3573INTERCHANGEABLE
WHEEL,TURBINE,BLADE
400-055
3110-00-571-1806INTERCHANGEABLE
RING,BEARING,INNER
400055
6105-01-318-7356INTERCHANGEABLE
STATOR,MOTOR

Frequently Asked Questions

What is NSN 4820-01-321-8345?

NSN 4820-01-321-8345 is a Cap,valve, manufactured by Parker-Hannifin Corporation Div Hydraulic Accumulator Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-321-8345?

NSN 4820-01-321-8345 has 3 cross-referenced part numbers: 400055 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division), 0856870000 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division), 400055 (Paquin Co the).

What NSN replaces 4820-01-321-8345?

There are 4 known substitutes for 4820-01-321-8345: 5306-00-144-3649, 2825-00-379-3573, 3110-00-571-1806 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0856870000?

Key specifications for 0856870000: Material: STEEL; Height: 1.500 INCHES NOMINAL IN; Width: 1.250 INCHES NOMINAL IN; Special Features: THD INTERNAL NPT. 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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