PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6B1-11-1Seat,valve

Mccanna Inc Dba Marpac Inc · NSN 4820-01-062-3254 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-062-3254 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-062-3254. Primary manufacturer part number: 6B1-11-1.
Features
  • Seat,valve — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Mccanna Inc Dba Marpac Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-062-3254, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mccanna Inc Dba Marpac Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 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)
ManufacturersMccanna Inc Dba Marpac Inc (CAGE 86185)
Technical Specifications
ParameterValue
NSN4820-01-062-3254
Primary Part Number6B1-11-1
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMccanna Inc Dba Marpac Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5999-00-383-2230 INTERCHANGEABLE
Heater,thermal Release
5315-00-676-916072139 INTERCHANGEABLE
Pin,hollow
Textron Lycoming Inc Williamsport Plant
1650-01-033-32867213-9 INTERCHANGEABLE
Swivel,hydraulic
Pneudraulics, Inc.
Cross-Reference Index
Part NumberManufacturer
6B1-11-1 Mccanna Inc Dba Marpac Inc (USA)
7-213-9 Mccanna Inc Dba Marpac Inc (USA)
Related Parts
5999-00-383-2230INTERCHANGEABLE
HEATER,THERMAL RELEASE
5315-00-676-9160INTERCHANGEABLE
PIN,HOLLOW
72139
1650-01-033-3286INTERCHANGEABLE
SWIVEL,HYDRAULIC
7213-9

Frequently Asked Questions

What is NSN 4820-01-062-3254?

NSN 4820-01-062-3254 is a Seat,valve, manufactured by Mccanna Inc Dba Marpac Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-062-3254?

NSN 4820-01-062-3254 has 2 cross-referenced part numbers: 6B1-11-1 (Mccanna Inc Dba Marpac Inc), 7-213-9 (Mccanna Inc Dba Marpac Inc).

What NSN replaces 4820-01-062-3254?

There are 3 known substitutes for 4820-01-062-3254: 5999-00-383-2230, 5315-00-676-9160, 1650-01-033-3286. Verify interchangeability with system specifications before substitution.

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