PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9531Seat,valve

Tescom Corp Dba Tescom Div Tescom · NSN 4820-01-304-2847 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-304-2847 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-304-2847. Primary manufacturer part number: 9531.
Features
  • Seat,valve — FSC 4820
  • Seat Angle in Deg: 45.000 NOMINAL
  • Seating Surface Shape: ANGULAR
  • Material: STEEL CORROSION RESISTING OVERALL
  • Style Designator: PLAIN
  • Body Inside Diameter: 0.375 INCHES NOMINAL IN
  • Body Outside Diameter: 1.250 INCHES NOMINAL IN
  • 1 verified cross-reference
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-304-2847, 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
NSN4820-01-304-2847
Primary Part Number9531
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTescom Corp Dba Tescom Div Tescom
StatusACTIVE
Seat Angle in Deg45.000 NOMINAL
Seating Surface ShapeANGULAR
MaterialSTEEL CORROSION RESISTING OVERALL
Style DesignatorPLAIN
Body Inside Diameter0.375 INCHES NOMINAL IN
Body Outside Diameter1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1560-00-097-6749953-1 INTERCHANGEABLE
Ladder,rope,emergency
Ami Industries, Inc Div Utc Aerospace Systems
2920-00-603-72522067F2 INTERCHANGEABLE
Switch,lock,ignition
Oshkosh Defense Llc
3120-00-618-03189531 INTERCHANGEABLE
Bushing,sleeve
Master Machine Products Corp
2990-00-790-2644103605 INTERCHANGEABLE
Muffler,exhaust
Allianz Sweeper Company
5330-00-891-56699531 INTERCHANGEABLE
Seal,plain Encased
Blako Inc. Dba Blakeslee
5355-00-935-7631 INTERCHANGEABLE
Knob
5950-00-967-4562232211 INTERCHANGEABLE
Transformer,power
Woodward, Inc.
6145-01-115-32049531 INTERCHANGEABLE
Kit,wire,hookup
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
5310-01-199-33399531 INTERCHANGEABLE
Nut
Coffin Turbo Pump Inc
4820-01-199-66649531 INTERCHANGEABLE
Stem,fluid Valve
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
Cross-Reference Index
Part NumberManufacturer
9531 PRIMARY Tescom Corp Dba Tescom Div Tescom (USA)
Related Parts
1560-00-097-6749INTERCHANGEABLE
LADDER,ROPE,EMERGENCY
953-1
2920-00-603-7252INTERCHANGEABLE
SWITCH,LOCK,IGNITION
2067F2
3120-00-618-0318INTERCHANGEABLE
BUSHING,SLEEVE
9531
2990-00-790-2644INTERCHANGEABLE
MUFFLER,EXHAUST
103605
5330-00-891-5669INTERCHANGEABLE
SEAL,PLAIN ENCASED
9531
5355-00-935-7631INTERCHANGEABLE
KNOB
5950-00-967-4562INTERCHANGEABLE
TRANSFORMER,POWER
232211
6145-01-115-3204INTERCHANGEABLE
KIT,WIRE,HOOKUP
9531
5310-01-199-3339INTERCHANGEABLE
NUT
9531
4820-01-199-6664INTERCHANGEABLE
STEM,FLUID VALVE
9531
3040-01-411-3177INTERCHANGEABLE
WOBBLESHAFT ASSEMBLY
95-3-1
5310-01-420-3566INTERCHANGEABLE
NUT,PLAIN,CASTELLATED,HEXAGON
9531

Frequently Asked Questions

What is NSN 4820-01-304-2847?

NSN 4820-01-304-2847 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 4820-01-304-2847?

NSN 4820-01-304-2847 has 1 cross-referenced part number: 9531 (Tescom Corp Dba Tescom Div Tescom).

What NSN replaces 4820-01-304-2847?

There are 12 known substitutes for 4820-01-304-2847: 1560-00-097-6749, 2920-00-603-7252, 3120-00-618-0318 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9531?

Key specifications for 9531: Overall Height: 1.500 INCHES NOMINAL IN; Seat Angle in Deg: 45.000 NOMINAL; Seating Surface Shape: ANGULAR; Material: STEEL CORROSION RESISTING OVERALL. 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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