PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1036-4Seat,valve

Tescom Corp Dba Tescom Div Tescom · NSN 4820-00-127-8819 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-127-8819 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-127-8819. Primary manufacturer part number: 1036-4.
Features
  • Seat,valve — FSC 4820
  • Body Inside Diameter: 0.084 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
  • Seating Surface Shape: ANGULAR
  • Style Designator: PLAIN
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Body Outside Diameter: 0.279 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
  • Seat Angle in Deg: 30.000 MINIMUM AND 45.000 MAXIMUM
  • 1 verified cross-reference
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-127-8819, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tescom Corp Dba Tescom Div Tescom. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-00-127-8819
Primary Part Number1036-4
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTescom Corp Dba Tescom Div Tescom
StatusACTIVE
Body Inside Diameter0.084 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
Seating Surface ShapeANGULAR
Style DesignatorPLAIN
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Body Outside Diameter0.279 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Seat Angle in Deg30.000 MINIMUM AND 45.000 MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2910-00-024-2336K2067 INTERCHANGEABLE
Parts Kit,carburetor
Zenith Fuel Systems Llc
4931-00-078-292510364 INTERCHANGEABLE
Tuning Unit,radio Frequency Plug
M C L, Inc.
5930-00-322-5599SM-B-187092 INTERCHANGEABLE
Push Button
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5305-00-656-0003 INTERCHANGEABLE
Screw,machine
5910-00-666-6679485001-20 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Naval Ship Systems Command
6685-01-120-655210364 INTERCHANGEABLE
Module Assembly,pne
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
6530-01-139-9454 INTERCHANGEABLE
Repair Kit,table
4820-01-263-6031 INTERCHANGEABLE
Seat,valve
5365-01-296-264110560216 INTERCHANGEABLE
Plug,machine Thread
General Dynamics Land Systems Canadacorp
3020-01-297-9198 INTERCHANGEABLE
Gear,spur
Cross-Reference Index
Part NumberManufacturer
1036-4 PRIMARY Tescom Corp Dba Tescom Div Tescom (USA)
Related Parts
2910-00-024-2336INTERCHANGEABLE
PARTS KIT,CARBURETOR
K2067
4931-00-078-2925INTERCHANGEABLE
TUNING UNIT,RADIO FREQUENCY PLUG
10364
5930-00-322-5599INTERCHANGEABLE
PUSH BUTTON
SM-B-187092
5305-00-656-0003INTERCHANGEABLE
SCREW,MACHINE
5910-00-666-6679INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
485001-20
6685-01-120-6552INTERCHANGEABLE
MODULE ASSEMBLY,PNE
10364
6530-01-139-9454INTERCHANGEABLE
REPAIR KIT,TABLE
4820-01-263-6031INTERCHANGEABLE
SEAT,VALVE
5365-01-296-2641INTERCHANGEABLE
PLUG,MACHINE THREAD
10560216
3020-01-297-9198INTERCHANGEABLE
GEAR,SPUR
5895-01-302-3976INTERCHANGEABLE
INSTALLATION KIT,ELECTRONIC EQUI
10364
5340-01-355-5522INTERCHANGEABLE
LATCH,THUMB

Frequently Asked Questions

What is NSN 4820-00-127-8819?

NSN 4820-00-127-8819 is a Seat,valve, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-127-8819?

NSN 4820-00-127-8819 has 1 cross-referenced part number: 1036-4 (Tescom Corp Dba Tescom Div Tescom).

What NSN replaces 4820-00-127-8819?

There are 12 known substitutes for 4820-00-127-8819: 2910-00-024-2336, 4931-00-078-2925, 5930-00-322-5599 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1036-4?

Key specifications for 1036-4: Body Inside Diameter: 0.084 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN; Seating Surface Shape: ANGULAR; Style Designator: PLAIN; Overall Height: 0.085 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN. 7 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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