PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27800Valve,plug

Woodward Hrt Inc · NSN 4820-00-306-4850 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-306-4850 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-306-4850. Primary manufacturer part number: 27800.
Features
  • Valve,plug — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Woodward Hrt Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,plug, cataloged under National Stock Number 4820-00-306-4850, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Woodward Hrt Inc. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameValve,plug
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersWoodward Hrt Inc (CAGE 81873); Meggitt North Hollywood Inc (CAGE 79318)
Technical Specifications
ParameterValue
NSN4820-00-306-4850
Primary Part Number27800
Item NameValve,plug
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWoodward Hrt Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-051-67992D1508 INTERCHANGEABLE
Valve,safety Relief
Crissair Inc Div Esco Technologies
6240-00-155-8663 INTERCHANGEABLE
Lamp,incandescent
2530-00-161-296427-800 INTERCHANGEABLE
Kingpin,wheel Spindle
Pdi Ground Support Systems, Inc.
5315-00-175-282537-800 INTERCHANGEABLE
Pin,straight,headless
Pdi Ground Support Systems, Inc.
3455-00-232-410919834 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5940-00-296-5946750 INTERCHANGEABLE
Terminal,stud
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
6625-00-422-3126537702-17 INTERCHANGEABLE
Detecting Element,directional Co
Raytheon Company Dba Raytheon
5950-00-575-692227800 INTERCHANGEABLE
Transformer
Freed Transformer Co
5360-00-625-6004 INTERCHANGEABLE
Spring,helical,extension
5935-00-823-021727-800 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
Cross-Reference Index
Part NumberManufacturer
27800 PRIMARY Woodward Hrt Inc (USA)
37800-2 PRIMARY Woodward Hrt Inc (USA)
37800 PRIMARY Woodward Hrt Inc (USA)
105025 Meggitt North Hollywood Inc (USA)
Related Parts
4820-00-051-6799INTERCHANGEABLE
VALVE,SAFETY RELIEF
2D1508
6240-00-155-8663INTERCHANGEABLE
LAMP,INCANDESCENT
2530-00-161-2964INTERCHANGEABLE
KINGPIN,WHEEL SPINDLE
27-800
5315-00-175-2825INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
37-800
3455-00-232-4109INTERCHANGEABLE
REAMER,MACHINE
19834
5940-00-296-5946INTERCHANGEABLE
TERMINAL,STUD
750
6625-00-422-3126INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
537702-17
5950-00-575-6922INTERCHANGEABLE
TRANSFORMER
27800
5360-00-625-6004INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
5935-00-823-0217INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
27-800
4130-00-851-4408INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
378-015
3110-00-948-9796INTERCHANGEABLE
BALL,BEARING
MS19061-20013

Frequently Asked Questions

What is NSN 4820-00-306-4850?

NSN 4820-00-306-4850 is a Valve,plug, manufactured by Woodward Hrt Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-306-4850?

NSN 4820-00-306-4850 has 4 cross-referenced part numbers: 27800 (Woodward Hrt Inc), 37800-2 (Woodward Hrt Inc), 37800 (Woodward Hrt Inc), 105025 (Meggitt North Hollywood Inc).

What NSN replaces 4820-00-306-4850?

There are 12 known substitutes for 4820-00-306-4850: 4820-00-051-6799, 6240-00-155-8663, 2530-00-161-2964 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-00-306-4850 still in active supply?

NSN 4820-00-306-4850 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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