PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1064 PIECE 2Seat,valve

Down East, Inc. · NSN 4820-01-146-7936 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-146-7936 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-146-7936. Primary manufacturer part number: 1064 PIECE 2.
Features
  • Seat,valve — FSC 4820
  • Material: NICKEL ALLOY OVERALL
  • 3 verified cross-references
  • Primary manufacturer: Down East, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-146-7936, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Down East, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-146-7936
Primary Part Number1064 PIECE 2
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDown East, Inc.
StatusACTIVE
MaterialNICKEL ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4820-00-467-289911271 INTERCHANGEABLE
Guide,valve Stem
Rps-Fl, Inc. Dba Rps Inc
5999-00-568-2845536481-1 INTERCHANGEABLE
Delay Line
Raytheon Company Dba Raytheon
2805-00-647-0713112-0179 INTERCHANGEABLE
Piston,internal Combustion Engin
Cummins Power Generation Inc.
5950-00-772-8438667-0018-00 INTERCHANGEABLE
Transformer,audio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
7040-01-016-5465 INTERCHANGEABLE
Plate Cover
4810-01-057-527011271 INTERCHANGEABLE
CAGE Assembly
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5930-01-193-566611-271 INTERCHANGEABLE
Switch,push
Eao Switch Corporation
4730-01-312-61141127-1 INTERCHANGEABLE
Thread Piece,union
R & D Machine Rafael Anaya Div Defense Logistics Agency
5315-01-418-5865 INTERCHANGEABLE
Pin,straight,headed
5120-01-673-53771127-1 INTERCHANGEABLE
Carrier,storage Battery,hand
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
1127-1 Down East, Inc. (USA)
1064 PIECE 2 PRIMARY Down East, Inc. (USA)
1064 Down East, Inc. (USA)
Related Parts
4820-00-467-2899INTERCHANGEABLE
GUIDE,VALVE STEM
11271
5999-00-568-2845INTERCHANGEABLE
DELAY LINE
536481-1
2805-00-647-0713INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
112-0179
5950-00-772-8438INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
667-0018-00
7040-01-016-5465INTERCHANGEABLE
PLATE COVER
4810-01-057-5270INTERCHANGEABLE
CAGE ASSEMBLY
11271
5930-01-193-5666INTERCHANGEABLE
SWITCH,PUSH
11-271
4730-01-312-6114INTERCHANGEABLE
THREAD PIECE,UNION
1127-1
5315-01-418-5865INTERCHANGEABLE
PIN,STRAIGHT,HEADED
5120-01-673-5377INTERCHANGEABLE
CARRIER,STORAGE BATTERY,HAND
1127-1
5920-01-720-0491INTERCHANGEABLE
FUSEHOLDER,RECEPTACLE
11271

Frequently Asked Questions

What is NSN 4820-01-146-7936?

NSN 4820-01-146-7936 is a Seat,valve, manufactured by Down East, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-146-7936?

NSN 4820-01-146-7936 has 3 cross-referenced part numbers: 1127-1 (Down East, Inc.), 1064 PIECE 2 (Down East, Inc.), 1064 (Down East, Inc.).

What NSN replaces 4820-01-146-7936?

There are 11 known substitutes for 4820-01-146-7936: 4820-00-467-2899, 5999-00-568-2845, 2805-00-647-0713 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1064 PIECE 2?

Key specifications for 1064 PIECE 2: Material: NICKEL ALLOY OVERALL. 1 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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