PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

591K819Cap,valve

Hyster-Yale Group, Inc. Dba Yale Materials Handling · NSN 4820-00-512-2997 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-512-2997 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-512-2997. Primary manufacturer part number: 591K819.
Features
  • Cap,valve — FSC 4820
  • 6 verified cross-references
  • Primary manufacturer: Hyster-Yale Group, Inc. Dba Yale Materials Handling
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Cap,valve, cataloged under National Stock Number 4820-00-512-2997, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hyster-Yale Group, Inc. Dba Yale Materials Handling. This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameCap,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersHyster-Yale Group, Inc. Dba Yale Materials Handling (CAGE 83299); Airoyal Co Div Airoyal Company (CAGE 2A664); General Signal Corp (CAGE 43491); David Brown Hydraulics Inc Dba Hydreco (CAGE 0E9N0); Colson Corp the (CAGE 54123)
Technical Specifications
ParameterValue
NSN4820-00-512-2997
Primary Part Number591K819
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHyster-Yale Group, Inc. Dba Yale Materials Handling
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5999-00-240-4336SCB69775 INTERCHANGEABLE
Contact,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2940-00-541-3499376376R92 INTERCHANGEABLE
Filter Element,fluid
Dressta North America Ltd
1005-00-597-5638 INTERCHANGEABLE
Head,ejector Rod
5950-00-812-72596946 INTERCHANGEABLE
Transformer,power Autotransforme
Staco Energy Products Co Dba Staco Energy Products Co
5310-01-145-0673 INTERCHANGEABLE
Nut,plain,square
4120-01-521-171351160 INTERCHANGEABLE
Air Conditioner
Applied Companies
Cross-Reference Index
Part NumberManufacturer
591K819 Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
514X224 Airoyal Co Div Airoyal Company (USA)
0162590-00 Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
514X224 General Signal Corp (USA)
514X224 David Brown Hydraulics Inc Dba Hydreco (USA)
51-160 Colson Corp the (USA)
Related Parts
5999-00-240-4336INTERCHANGEABLE
CONTACT,ELECTRICAL
SCB69775
2940-00-541-3499INTERCHANGEABLE
FILTER ELEMENT,FLUID
376376R92
1005-00-597-5638INTERCHANGEABLE
HEAD,EJECTOR ROD
5950-00-812-7259INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
6946
5310-01-145-0673INTERCHANGEABLE
NUT,PLAIN,SQUARE
4120-01-521-1713INTERCHANGEABLE
AIR CONDITIONER
51160

Frequently Asked Questions

What is NSN 4820-00-512-2997?

NSN 4820-00-512-2997 is a Cap,valve, manufactured by Hyster-Yale Group, Inc. Dba Yale Materials Handling, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-512-2997?

NSN 4820-00-512-2997 has 6 cross-referenced part numbers: 591K819 (Hyster-Yale Group, Inc. Dba Yale Materials Handling), 514X224 (Airoyal Co Div Airoyal Company), 0162590-00 (Hyster-Yale Group, Inc. Dba Yale Materials Handling), 514X224 (General Signal Corp), 514X224 (David Brown Hydraulics Inc Dba Hydreco) and 1 more.

What NSN replaces 4820-00-512-2997?

There are 6 known substitutes for 4820-00-512-2997: 5999-00-240-4336, 2940-00-541-3499, 1005-00-597-5638 and 3 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-00-512-2997 still in active supply?

NSN 4820-00-512-2997 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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