PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15574Disk,valve

Haskel International, Llc Dba Haskel International, Llc · NSN 4820-01-355-2536 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-355-2536 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-355-2536. Primary manufacturer part number: 15574.
Features
  • Disk,valve — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
  • 2 verified cross-references
  • Primary manufacturer: Haskel International, Llc Dba Haskel International, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-355-2536, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Haskel International, Llc Dba Haskel International, Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-355-2536
Primary Part Number15574
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHaskel International, Llc Dba Haskel International, Llc
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2990-00-322-195015574 INTERCHANGEABLE
Retainer,boot,hydra
Napco International Llc Dba Napco International Inc
4820-01-084-3379 INTERCHANGEABLE
Poppet S.e.
4820-01-277-8477 INTERCHANGEABLE
Disk,valve
3030-01-304-256715574 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5330-01-359-129215574 INTERCHANGEABLE
Seal,plain
New Venture Gear Inc New Process Gear Div
Cross-Reference Index
Part NumberManufacturer
15574 Haskel International, Llc Dba Haskel International, Llc (USA)
15574CP Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
2990-00-322-1950INTERCHANGEABLE
RETAINER,BOOT,HYDRA
15574
4820-01-084-3379INTERCHANGEABLE
POPPET S.E.
4820-01-277-8477INTERCHANGEABLE
DISK,VALVE
3030-01-304-2567INTERCHANGEABLE
BELT,V
15574
5330-01-359-1292INTERCHANGEABLE
SEAL,PLAIN
15574

Frequently Asked Questions

What is NSN 4820-01-355-2536?

NSN 4820-01-355-2536 is a Disk,valve, manufactured by Haskel International, Llc Dba Haskel International, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-355-2536?

NSN 4820-01-355-2536 has 2 cross-referenced part numbers: 15574 (Haskel International, Llc Dba Haskel International, Llc), 15574CP (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 4820-01-355-2536?

There are 5 known substitutes for 4820-01-355-2536: 2990-00-322-1950, 4820-01-084-3379, 4820-01-277-8477 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15574?

Key specifications for 15574: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330; End Item Identification: VALVE PRESS REGGXRELF. 3 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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