PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6873WSeat,valve

Kansas City Trimming Supply Co · NSN 4820-00-071-1979 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-071-1979 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-071-1979. Primary manufacturer part number: 6873W.
Features
  • Seat,valve — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: Kansas City Trimming Supply Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-071-1979, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Kansas City Trimming Supply Co. This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersKansas City Trimming Supply Co (CAGE 81685); Mccanna Inc Dba Marpac Inc (CAGE 86185); Flowserve Us Inc. Div Flowserve Cookeville Valve Operation (CAGE 28740)
Technical Specifications
ParameterValue
NSN4820-00-071-1979
Primary Part Number6873W
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKansas City Trimming Supply Co
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4820-00-064-4357 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
6873W Kansas City Trimming Supply Co (USA)
6873 Mccanna Inc Dba Marpac Inc (USA)
6873WA Kansas City Trimming Supply Co (USA)
6873WA Mccanna Inc Dba Marpac Inc (USA)
6873WA Flowserve Us Inc. Div Flowserve Cookeville Valve Operation (USA)
Related Parts
4820-00-064-4357INTERCHANGEABLE
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 4820-00-071-1979?

NSN 4820-00-071-1979 is a Seat,valve, manufactured by Kansas City Trimming Supply Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-071-1979?

NSN 4820-00-071-1979 has 5 cross-referenced part numbers: 6873W (Kansas City Trimming Supply Co), 6873 (Mccanna Inc Dba Marpac Inc), 6873WA (Kansas City Trimming Supply Co), 6873WA (Mccanna Inc Dba Marpac Inc), 6873WA (Flowserve Us Inc. Div Flowserve Cookeville Valve Operation).

What NSN replaces 4820-00-071-1979?

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

Is NSN 4820-00-071-1979 still in active supply?

NSN 4820-00-071-1979 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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