PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9812Seat,valve

Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect · NSN 4820-01-048-6235 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-048-6235 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-048-6235. Primary manufacturer part number: 9812.
Features
  • Seat,valve — FSC 4820
  • Body Inside Diameter: 0.257 INCHES NOMINAL IN
  • Style Designator: PLAIN
  • Seating Surface Shape: ANGULAR
  • Material: COPPER ALLOY OVERALL
  • Seat Angle in Deg: 45.000 NOMINAL
  • Body Outside Diameter: 0.102 INCHES NOMINAL IN
  • Seal Accommodation Type: GROOVED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-048-6235, 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. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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.

Technical Specifications
ParameterValue
NSN4820-01-048-6235
Primary Part Number9812
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
StatusACTIVE
Body Inside Diameter0.257 INCHES NOMINAL IN
Style DesignatorPLAIN
Seating Surface ShapeANGULAR
MaterialCOPPER ALLOY OVERALL
Seat Angle in Deg45.000 NOMINAL
Body Outside Diameter0.102 INCHES NOMINAL IN
Seal Accommodation TypeGROOVED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-003-5754 INTERCHANGEABLE
Coil,radio Frequency
5310-00-058-0513 INTERCHANGEABLE
Nut,plain,hexagon
5950-00-106-84651243115P1 INTERCHANGEABLE
Transformer,power
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
2815-00-146-7402 INTERCHANGEABLE
Plate,thrust
5210-00-223-960798-12 INTERCHANGEABLE
Level and Plumb
L.s. Starrett Company (the) Div Tool Division
5331-00-291-7337214-40-36 INTERCHANGEABLE
O-Ring
Kaydon Custom Filtration Corporation
5821-00-496-9641640503 INTERCHANGEABLE
Cover
Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
6220-00-519-0701L09812000 INTERCHANGEABLE
Light,dome
Gulton Industries Inc Luminator Div
5930-00-548-4321 INTERCHANGEABLE
Switch,toggle
5935-00-581-4040D1C2085 INTERCHANGEABLE
Connector,receptacle,electrical
Itt Cannon Llc
Cross-Reference Index
Part NumberManufacturer
6304-13 Air Dry Co of America, Llc (USA)
6304-13PIECE17 Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect (USA)
9812 PRIMARY Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect (USA)
9812 Air Dry Co of America, Llc (USA)
6304-13PIECE17 Air Dry Co of America, Llc (USA)
9066 Air Dry Co of America, Llc (USA)
Related Parts
5950-00-003-5754INTERCHANGEABLE
COIL,RADIO FREQUENCY
5310-00-058-0513INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5950-00-106-8465INTERCHANGEABLE
TRANSFORMER,POWER
1243115P1
2815-00-146-7402INTERCHANGEABLE
PLATE,THRUST
5210-00-223-9607INTERCHANGEABLE
LEVEL AND PLUMB
98-12
5331-00-291-7337INTERCHANGEABLE
O-RING
214-40-36
5821-00-496-9641INTERCHANGEABLE
COVER
640503
6220-00-519-0701INTERCHANGEABLE
LIGHT,DOME
L09812000
5930-00-548-4321INTERCHANGEABLE
SWITCH,TOGGLE
5935-00-581-4040INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
D1C2085
5331-00-804-5695INTERCHANGEABLE
O-RING
MS28778-6
5310-00-934-9759INTERCHANGEABLE
NUT,PLAIN,HEXAGON
81009

Frequently Asked Questions

What is NSN 4820-01-048-6235?

NSN 4820-01-048-6235 is a Seat,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 4820-01-048-6235?

NSN 4820-01-048-6235 has 6 cross-referenced part numbers: 6304-13 (Air Dry Co of America, Llc), 6304-13PIECE17 (Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect), 9812 (Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect), 9812 (Air Dry Co of America, Llc), 6304-13PIECE17 (Air Dry Co of America, Llc) and 1 more.

What NSN replaces 4820-01-048-6235?

There are 12 known substitutes for 4820-01-048-6235: 5950-00-003-5754, 5310-00-058-0513, 5950-00-106-8465 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9812?

Key specifications for 9812: Body Inside Diameter: 0.257 INCHES NOMINAL IN; Style Designator: PLAIN; Seating Surface Shape: ANGULAR; Material: COPPER ALLOY OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

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