PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8401Seat Assembly,valve

Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect · NSN 4820-01-281-7425 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-281-7425 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-281-7425. Primary manufacturer part number: 8401.
Features
  • Seat Assembly,valve — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat Assembly,valve, cataloged under National Stock Number 4820-01-281-7425, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect. This item has 5 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 Assembly,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersAir Dry Co of America, Llc (CAGE 01496); Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect (CAGE 99447)
Technical Specifications
ParameterValue
NSN4820-01-281-7425
Primary Part Number8401
Item NameSeat Assembly,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-027-95471825 INTERCHANGEABLE
Plug,tip
Fluke Electronics Corp
5985-00-087-19348401 INTERCHANGEABLE
Cushion
Armed Forces Equip Development Co C/o Falling Creek Metal Products
3030-00-264-306030275A INTERCHANGEABLE
Belt,v
Brinkley Technology Group Llc Dba Hercules Manufacturing
6145-00-548-09398401 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire and Cable Co Wire and Cable Office
5985-01-032-43718401 INTERCHANGEABLE
Dummy Load,electrical
Bird Electronic Corporation Div Bird Electronic Corp
4920-01-234-90898401A INTERCHANGEABLE
Test Set,indicator
Hydraulic Technology, Inc
4820-01-281-44076532-37-6 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
4820-01-281-44878393 INTERCHANGEABLE
Piston,valve
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
4820-01-281-45388398-2 INTERCHANGEABLE
Disk,valve
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
5365-01-284-7807840100 INTERCHANGEABLE
Ring
Alfa Laval Inc
Cross-Reference Index
Part NumberManufacturer
8401 Air Dry Co of America, Llc (USA)
6532-37-6 Air Dry Co of America, Llc (USA)
6532-37-6 ITEM 2 Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect (USA)
8401 PRIMARY Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect (USA)
6532-37-6 ITEM 2 Air Dry Co of America, Llc (USA)
Related Parts
5935-00-027-9547INTERCHANGEABLE
PLUG,TIP
1825
5985-00-087-1934INTERCHANGEABLE
CUSHION
8401
3030-00-264-3060INTERCHANGEABLE
BELT,V
30275A
6145-00-548-0939INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
8401
5985-01-032-4371INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
8401
4920-01-234-9089INTERCHANGEABLE
TEST SET,INDICATOR
8401A
4820-01-281-4407INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
6532-37-6
4820-01-281-4487INTERCHANGEABLE
PISTON,VALVE
8393
4820-01-281-4538INTERCHANGEABLE
DISK,VALVE
8398-2
5365-01-284-7807INTERCHANGEABLE
RING
840100
5805-01-310-7312INTERCHANGEABLE
TELEPHONE SET
SWLR-PB-FG2S
5340-01-530-3949INTERCHANGEABLE
STANDOFF,THREADED,SPACING
8401

Frequently Asked Questions

What is NSN 4820-01-281-7425?

NSN 4820-01-281-7425 is a Seat Assembly,valve, manufactured by Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-281-7425?

NSN 4820-01-281-7425 has 5 cross-referenced part numbers: 8401 (Air Dry Co of America, Llc), 6532-37-6 (Air Dry Co of America, Llc), 6532-37-6 ITEM 2 (Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect), 8401 (Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect), 6532-37-6 ITEM 2 (Air Dry Co of America, Llc).

What NSN replaces 4820-01-281-7425?

There are 12 known substitutes for 4820-01-281-7425: 5935-00-027-9547, 5985-00-087-1934, 3030-00-264-3060 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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