PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

V2C13581-3Seat,valve

Vacco Industries · NSN 4820-01-545-3469 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-545-3469 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-545-3469. Primary manufacturer part number: V2C13581-3.
Features
  • Seat,valve — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
  • 5 verified cross-references
  • Primary manufacturer: Vacco Industries
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-545-3469, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Vacco Industries. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-545-3469
Primary Part NumberV2C13581-3
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVacco Industries
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-483-1923V3D10436 ITEM 3 INTERCHANGEABLE
Seat,valve
Vacco Industries
4820-01-534-6221 INTERCHANGEABLE
Seat,valve
Cross-Reference Index
Part NumberManufacturer
V2C13581-3 Vacco Industries (USA)
V2C13581-3L1 Naval Inventory Control Point Mechanicsburg (USA)
V2C13581-1 Vacco Industries (USA)
V3D10436 ITEM 3 Vacco Industries (USA)
V3D10436 ITEM 3L1 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
4820-01-483-1923INTERCHANGEABLE
SEAT,VALVE
V3D10436 ITEM 3
4820-01-534-6221INTERCHANGEABLE
SEAT,VALVE

Frequently Asked Questions

What is NSN 4820-01-545-3469?

NSN 4820-01-545-3469 is a Seat,valve, manufactured by Vacco Industries, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-545-3469?

NSN 4820-01-545-3469 has 5 cross-referenced part numbers: V2C13581-3 (Vacco Industries), V2C13581-3L1 (Naval Inventory Control Point Mechanicsburg), V2C13581-1 (Vacco Industries), V3D10436 ITEM 3 (Vacco Industries), V3D10436 ITEM 3L1 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 4820-01-545-3469?

There are 2 known substitutes for 4820-01-545-3469: 4820-01-483-1923, 4820-01-534-6221. Verify interchangeability with system specifications before substitution.

What are the specifications of V2C13581-3?

Key specifications for V2C13581-3: Part Name Assigned by Controlling Agency: (DRAWING); SEAT; Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS; End Item Identification: MANIFOLD 6000PSI. 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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