PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17088-2Seat,valve

Coffin Turbo Pump Inc · NSN 4820-01-416-6843 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-416-6843 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-416-6843. Primary manufacturer part number: 17088-2.
Features
  • Seat,valve — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Coffin Turbo Pump Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-416-6843, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Coffin Turbo Pump Inc. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 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)
ManufacturersCoffin Turbo Pump Inc (CAGE 0APJ5)
Technical Specifications
ParameterValue
NSN4820-01-416-6843
Primary Part Number17088-2
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCoffin Turbo Pump Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4820-01-400-207217086-1 INTERCHANGEABLE
Valve,ball
Coffin Turbo Pump Inc
4320-01-400-2075 INTERCHANGEABLE
Housing,liquid Pump
4820-01-416-685017090-2 INTERCHANGEABLE
Seat,valve
Coffin Turbo Pump Inc
2825-01-419-792018384 INTERCHANGEABLE
Steam Chest,turbine
Coffin Turbo Pump Inc
2825-01-424-2230X277-18373-6 INTERCHANGEABLE
Steam Chest,turbine
Coffin Turbo Pump Inc
4730-01-513-5289170882 INTERCHANGEABLE
Manifold Assembly,hydraulic
Jered Llc
4820-01-516-610722009-1 INTERCHANGEABLE
Stem,fluid Valve
Coffin Turbo Pump Inc
4820-01-516-611121796-1 INTERCHANGEABLE
Seat,valve
Coffin Turbo Pump Inc
Cross-Reference Index
Part NumberManufacturer
17088-2 PRIMARY Coffin Turbo Pump Inc (USA)
SKB-429 ITEM 242 Coffin Turbo Pump Inc (USA)
SKB-429 Coffin Turbo Pump Inc (USA)
Related Parts
4820-01-400-2072INTERCHANGEABLE
VALVE,BALL
17086-1
4320-01-400-2075INTERCHANGEABLE
HOUSING,LIQUID PUMP
4820-01-416-6850INTERCHANGEABLE
SEAT,VALVE
17090-2
2825-01-419-7920INTERCHANGEABLE
STEAM CHEST,TURBINE
18384
2825-01-424-2230INTERCHANGEABLE
STEAM CHEST,TURBINE
X277-18373-6
4730-01-513-5289INTERCHANGEABLE
MANIFOLD ASSEMBLY,HYDRAULIC
170882
4820-01-516-6107INTERCHANGEABLE
STEM,FLUID VALVE
22009-1
4820-01-516-6111INTERCHANGEABLE
SEAT,VALVE
21796-1

Frequently Asked Questions

What is NSN 4820-01-416-6843?

NSN 4820-01-416-6843 is a Seat,valve, manufactured by Coffin Turbo Pump Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-416-6843?

NSN 4820-01-416-6843 has 3 cross-referenced part numbers: 17088-2 (Coffin Turbo Pump Inc), SKB-429 ITEM 242 (Coffin Turbo Pump Inc), SKB-429 (Coffin Turbo Pump Inc).

What NSN replaces 4820-01-416-6843?

There are 8 known substitutes for 4820-01-416-6843: 4820-01-400-2072, 4320-01-400-2075, 4820-01-416-6850 and 5 more. Verify interchangeability with system specifications before substitution.

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