PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9142Seat,valve

Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 · NSN 4820-01-155-5769 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-155-5769 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-155-5769. Primary manufacturer part number: 9142.
Features
  • Seat,valve — FSC 4820
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Style Designator: PLAIN
  • Seating Surface Shape: RADIAL
  • Seat Radius: 0.500 INCHES NOMINAL IN
  • Body Outside Diameter: 1.375 INCHES NOMINAL IN
  • Body Inside Diameter: 0.822 INCHES NOMINAL IN
  • 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 4820-01-155-5769, 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 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-155-5769
Primary Part Number9142
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWorcester Controls Corp P O Box 2609 Cookeville Tn 385022609
StatusACTIVE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Style DesignatorPLAIN
Seating Surface ShapeRADIAL
Seat Radius0.500 INCHES NOMINAL IN
Body Outside Diameter1.375 INCHES NOMINAL IN
Body Inside Diameter0.822 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5915-00-159-7349 INTERCHANGEABLE
Filter,band Pass
5940-00-221-50869-142 INTERCHANGEABLE
Terminal Board
Cinch Connectivity Solutions Inc.
5305-00-281-311812Z1077-6 INTERCHANGEABLE
Setscrew
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4940-00-360-07999142 INTERCHANGEABLE
Tip,can,cleaner
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5950-00-369-5257 INTERCHANGEABLE
Reactor-Transformer
4730-00-564-1382B10020-9142MALE INTERCHANGEABLE
Coupling Half,quick Disconnect
Hughes Industries
5331-00-584-1840MS28775-014 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4240-01-364-38569142-S021 INTERCHANGEABLE
Spectacles,industrial
Federal Prison Industries, Inc
5975-01-476-17299142 INTERCHANGEABLE
Cabinet,electrical Equipment
Compaq Computer Corp.
Cross-Reference Index
Part NumberManufacturer
9142 Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA)
Related Parts
5915-00-159-7349INTERCHANGEABLE
FILTER,BAND PASS
5940-00-221-5086INTERCHANGEABLE
TERMINAL BOARD
9-142
5305-00-281-3118INTERCHANGEABLE
SETSCREW
12Z1077-6
4940-00-360-0799INTERCHANGEABLE
TIP,CAN,CLEANER
9142
5950-00-369-5257INTERCHANGEABLE
REACTOR-TRANSFORMER
4730-00-564-1382INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
B10020-9142MALE
5331-00-584-1840INTERCHANGEABLE
O-RING
MS28775-014
4240-01-364-3856INTERCHANGEABLE
SPECTACLES,INDUSTRIAL
9142-S021
5975-01-476-1729INTERCHANGEABLE
CABINET,ELECTRICAL EQUIPMENT
9142

Frequently Asked Questions

What is NSN 4820-01-155-5769?

NSN 4820-01-155-5769 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 4820-01-155-5769?

NSN 4820-01-155-5769 has 1 cross-referenced part number: 9142 (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609).

What NSN replaces 4820-01-155-5769?

There are 9 known substitutes for 4820-01-155-5769: 5915-00-159-7349, 5940-00-221-5086, 5305-00-281-3118 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9142?

Key specifications for 9142: Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL; Style Designator: PLAIN; Seating Surface Shape: RADIAL; Seat Radius: 0.500 INCHES NOMINAL 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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