PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

444BSE-1/2IN PC5Seat,valve

Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 · NSN 4820-01-281-9378 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-281-9378 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-281-9378. Primary manufacturer part number: 444BSE-1/2IN PC5.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL SEAT
  • 2 verified cross-references
  • Primary manufacturer: Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Seat construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-281-9378, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-281-9378
Primary Part Number444BSE-1/2IN PC5
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWorcester Controls Corp P O Box 2609 Cookeville Tn 385022609
StatusACTIVE
MaterialSTEEL SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4720-00-020-0085A02HS165-1 INTERCHANGEABLE
Hose Assembly,metallic
The Boeing Company
3130-00-190-9359NPL-19 INTERCHANGEABLE
Bearing Unit,ball
Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co
5110-00-234-6567 INTERCHANGEABLE
File,hand
Cross-Reference Index
Part NumberManufacturer
444BSE-1/2IN PC5 Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA)
06930 Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA)
Related Parts
4720-00-020-0085INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
A02HS165-1
3130-00-190-9359INTERCHANGEABLE
BEARING UNIT,BALL
NPL-19
5110-00-234-6567INTERCHANGEABLE
FILE,HAND

Frequently Asked Questions

What is NSN 4820-01-281-9378?

NSN 4820-01-281-9378 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 4820-01-281-9378?

NSN 4820-01-281-9378 has 2 cross-referenced part numbers: 444BSE-1/2IN PC5 (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609), 06930 (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609).

What NSN replaces 4820-01-281-9378?

There are 3 known substitutes for 4820-01-281-9378: 4720-00-020-0085, 3130-00-190-9359, 5110-00-234-6567. Verify interchangeability with system specifications before substitution.

What are the specifications of 444BSE-1/2IN PC5?

Key specifications for 444BSE-1/2IN PC5: Material: STEEL SEAT. 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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