PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

V1D10862 ITEM 21CPSeat,valve

Vacco Industries · NSN 4820-01-479-2948 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-479-2948 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-479-2948. Primary manufacturer part number: V1D10862 ITEM 21CP.
Features
  • Seat,valve — FSC 4820
  • 7 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 4820-01-479-2948, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Vacco Industries. This item has 7 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.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersVacco Industries (CAGE 99517); Naval Inventory Control Point Mechanicsburg (CAGE 03950)
Technical Specifications
ParameterValue
NSN4820-01-479-2948
Primary Part NumberV1D10862 ITEM 21CP
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVacco Industries
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5331-01-046-0628M83461/1-015 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4820-01-406-3555V2C13128-7NA INTERCHANGEABLE
Retainer,disk,valve
Vacco Industries
4820-01-406-4745V2C13132-NN INTERCHANGEABLE
Seat,valve
Vacco Industries
4820-01-406-9337V1D10862 ITEM 32 INTERCHANGEABLE
Fiber Lock,valve
Vacco Industries
4820-01-406-9339V2B11677-NNCP INTERCHANGEABLE
Fiber Lock,valve
Vacco Industries
4820-01-407-6524V2C13129-7NA INTERCHANGEABLE
Retainer,disk,valve
Vacco Industries
4820-01-479-2643V1D10862-01CP INTERCHANGEABLE
Valve,globe
Naval Inventory Control Point Mechanicsburg
4820-01-479-2758V1D10862 ITEM 6CP INTERCHANGEABLE
Disk,valve
Naval Inventory Control Point Mechanicsburg
4820-01-479-2780V1D10862 ITEM 8CP INTERCHANGEABLE
Disk,valve
Naval Inventory Control Point Mechanicsburg
4820-01-479-3015V1D10862 ITEM 7CP INTERCHANGEABLE
Stem,fluid Valve
Naval Inventory Control Point Mechanicsburg
Cross-Reference Index
Part NumberManufacturer
V1D10862 ITEM 21CP Vacco Industries (USA)
V1D10862 Vacco Industries (USA)
V2C13132-NNCP Naval Inventory Control Point Mechanicsburg (USA)
V2C13132-NN Vacco Industries (USA)
V1D10862 ITEM 21CP Naval Inventory Control Point Mechanicsburg (USA)
V1D10833 Vacco Industries (USA)
V1D10808 Vacco Industries (USA)
Related Parts
5331-01-046-0628INTERCHANGEABLE
O-RING
M83461/1-015
4820-01-406-3555INTERCHANGEABLE
RETAINER,DISK,VALVE
V2C13128-7NA
4820-01-406-4745INTERCHANGEABLE
SEAT,VALVE
V2C13132-NN
4820-01-406-9337INTERCHANGEABLE
FIBER LOCK,VALVE
V1D10862 ITEM 32
4820-01-406-9339INTERCHANGEABLE
FIBER LOCK,VALVE
V2B11677-NNCP
4820-01-407-6524INTERCHANGEABLE
RETAINER,DISK,VALVE
V2C13129-7NA
4820-01-479-2643INTERCHANGEABLE
VALVE,GLOBE
V1D10862-01CP
4820-01-479-2758INTERCHANGEABLE
DISK,VALVE
V1D10862 ITEM 6CP
4820-01-479-2780INTERCHANGEABLE
DISK,VALVE
V1D10862 ITEM 8CP
4820-01-479-3015INTERCHANGEABLE
STEM,FLUID VALVE
V1D10862 ITEM 7CP
4820-01-479-3245INTERCHANGEABLE
CAP,VALVE
V1D10862 ITEM 5CP
4820-01-479-3249INTERCHANGEABLE
RETAINER,DISK,VALVE

Frequently Asked Questions

What is NSN 4820-01-479-2948?

NSN 4820-01-479-2948 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 4820-01-479-2948?

NSN 4820-01-479-2948 has 7 cross-referenced part numbers: V1D10862 ITEM 21CP (Vacco Industries), V1D10862 (Vacco Industries), V2C13132-NNCP (Naval Inventory Control Point Mechanicsburg), V2C13132-NN (Vacco Industries), V1D10862 ITEM 21CP (Naval Inventory Control Point Mechanicsburg) and 2 more.

What NSN replaces 4820-01-479-2948?

There are 12 known substitutes for 4820-01-479-2948: 5331-01-046-0628, 4820-01-406-3555, 4820-01-406-4745 and 9 more. Verify interchangeability with system specifications before substitution.

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