PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C01705Seat,valve

Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 · NSN 4820-00-586-3442 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-586-3442 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-586-3442. Primary manufacturer part number: C01705.
Features
  • Seat,valve — FSC 4820
  • Body Inside Diameter: 0.438 INCHES NOMINAL IN
  • Seal Accommodation Type: GROOVED
  • Seating Surface Shape: RADIAL
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Style Designator: PLAIN
  • Seat Radius: 0.446 INCHES NOMINAL IN
  • Body Outside Diameter: 0.803 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN
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 4820-00-586-3442, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN4820-00-586-3442
Primary Part NumberC01705
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWorcester Controls Corp P O Box 2609 Cookeville Tn 385022609
StatusACTIVE
Body Inside Diameter0.438 INCHES NOMINAL IN
Seal Accommodation TypeGROOVED
Seating Surface ShapeRADIAL
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Style DesignatorPLAIN
Seat Radius0.446 INCHES NOMINAL IN
Body Outside Diameter0.803 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-198-1050 INTERCHANGEABLE
Ball,bearing
2930-00-353-9034 INTERCHANGEABLE
Pump,cooling System,engine
5330-00-910-3215106-46 INTERCHANGEABLE
Seal,aft Fuselage
Kirkhill Inc Div Kirkhill Inc, Haskon Division
4320-00-915-3349 INTERCHANGEABLE
Impeller,pump,centrifugal
5970-01-010-8907 INTERCHANGEABLE
Insulator,bushing
4820-01-094-276906410 INTERCHANGEABLE
Valve,check
Hanson Machine
4210-01-164-786210-646P10 INTERCHANGEABLE
Nozzle,extinguisher
Kidde Technologies, Inc Div Kidde Aerospace and Defense
5365-01-235-760026553-10646 INTERCHANGEABLE
Spacer,plate
Rexnord Industries, Llc Div Couplings Division
3110-01-428-7561106-46 INTERCHANGEABLE
Bearing,ball,annular
Ability Plastics Inc.
5905-01-502-4113712-5004-020 INTERCHANGEABLE
Resistor,fixed,composition
Continental Electronics Corp
Cross-Reference Index
Part NumberManufacturer
C01705 Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA)
4445SET2INPC5 Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA)
06410 Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA)
10646 Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA)
Related Parts
3110-00-198-1050INTERCHANGEABLE
BALL,BEARING
2930-00-353-9034INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
5330-00-910-3215INTERCHANGEABLE
SEAL,AFT FUSELAGE
106-46
4320-00-915-3349INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
5970-01-010-8907INTERCHANGEABLE
INSULATOR,BUSHING
4820-01-094-2769INTERCHANGEABLE
VALVE,CHECK
06410
4210-01-164-7862INTERCHANGEABLE
NOZZLE,EXTINGUISHER
10-646P10
5365-01-235-7600INTERCHANGEABLE
SPACER,PLATE
26553-10646
3110-01-428-7561INTERCHANGEABLE
BEARING,BALL,ANNULAR
106-46
5905-01-502-4113INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
712-5004-020
6660-01-551-9490INTERCHANGEABLE
ANEMOMETER
06410

Frequently Asked Questions

What is NSN 4820-00-586-3442?

NSN 4820-00-586-3442 is a Seat,valve, manufactured by Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-586-3442?

NSN 4820-00-586-3442 has 4 cross-referenced part numbers: C01705 (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609), 4445SET2INPC5 (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609), 06410 (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609), 10646 (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609).

What NSN replaces 4820-00-586-3442?

There are 11 known substitutes for 4820-00-586-3442: 3110-00-198-1050, 2930-00-353-9034, 5330-00-910-3215 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C01705?

Key specifications for C01705: Body Inside Diameter: 0.438 INCHES NOMINAL IN; Seal Accommodation Type: GROOVED; Seating Surface Shape: RADIAL; Material: PLASTIC POLYTETRAFLUOROETHYLENE 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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