PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6873VASeat,valve

Mccanna Inc Dba Marpac Inc · NSN 4820-00-064-4357 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-064-4357 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-064-4357. Primary manufacturer part number: 6873VA.
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 4820-00-064-4357, 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. 9 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
NSN4820-00-064-4357
Primary Part Number6873VA
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMccanna Inc Dba Marpac Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-00-071-1979 INTERCHANGEABLE
Seat,valve
1220-00-131-0511177923PC11 INTERCHANGEABLE
Computer Subassembly
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5342-00-470-4361DA6873 INTERCHANGEABLE
Clip,adjusting
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
6240-01-032-455810-1 INTERCHANGEABLE
Lamp,incandescent
Arco Engineering Inc
5985-01-063-0450V607-1 INTERCHANGEABLE
Coupler,directional
Stellant Systems Inc
2920-01-238-0819 INTERCHANGEABLE
Lead Set,ignition,engine
3110-01-355-4329 INTERCHANGEABLE
Bearing,ball,annular
5340-01-363-28456873 INTERCHANGEABLE
Track,sliding Door
American Kal Enterprises, Inc Dba American Kal Enterprises
2090-01-366-6283Z6873 INTERCHANGEABLE
Transom
Zodiac of North America, Inc. Dba Zodiac of North America Inc Div Milpro
Cross-Reference Index
Part NumberManufacturer
6873VA Mccanna Inc Dba Marpac Inc (USA)
6873 Mccanna Inc Dba Marpac Inc (USA)
Related Parts
4820-00-071-1979INTERCHANGEABLE
SEAT,VALVE
1220-00-131-0511INTERCHANGEABLE
COMPUTER SUBASSEMBLY
177923PC11
5342-00-470-4361INTERCHANGEABLE
CLIP,ADJUSTING
DA6873
6240-01-032-4558INTERCHANGEABLE
LAMP,INCANDESCENT
10-1
5985-01-063-0450INTERCHANGEABLE
COUPLER,DIRECTIONAL
V607-1
2920-01-238-0819INTERCHANGEABLE
LEAD SET,IGNITION,ENGINE
3110-01-355-4329INTERCHANGEABLE
BEARING,BALL,ANNULAR
5340-01-363-2845INTERCHANGEABLE
TRACK,SLIDING DOOR
6873
2090-01-366-6283INTERCHANGEABLE
TRANSOM
Z6873

Frequently Asked Questions

What is NSN 4820-00-064-4357?

NSN 4820-00-064-4357 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 4820-00-064-4357?

NSN 4820-00-064-4357 has 2 cross-referenced part numbers: 6873VA (Mccanna Inc Dba Marpac Inc), 6873 (Mccanna Inc Dba Marpac Inc).

What NSN replaces 4820-00-064-4357?

There are 9 known substitutes for 4820-00-064-4357: 4820-00-071-1979, 1220-00-131-0511, 5342-00-470-4361 and 6 more. Verify interchangeability with system specifications before substitution.

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