PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8851-2Valve,plug

Parker Hannifin Corporation Div Aerospace Group Headquarters · NSN 4820-00-373-7835 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-373-7835 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-373-7835. Primary manufacturer part number: 8851-2.
Features
  • Valve,plug — FSC 4820
  • Flow Style: TWO-WAY TWO PORT 90 DEGREE PLUG TURN
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN
  • Thread Direction: RIGHT-HAND FIRST END
  • Thread Series Designator: UNF FIRST END
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Nominal Thread Size: 0.562 INCHES FIRST END IN
  • Connection Style: FLARED (TUBE) FIRST END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,plug, cataloged under National Stock Number 4820-00-373-7835, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker Hannifin Corporation Div Aerospace Group Headquarters. Government technical data includes 10 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-373-7835
Primary Part Number8851-2
Item NameValve,plug
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Aerospace Group Headquarters
StatusACTIVE
Flow StyleTWO-WAY TWO PORT 90 DEGREE PLUG TURN
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Thread DirectionRIGHT-HAND FIRST END
Thread Series DesignatorUNF FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Nominal Thread Size0.562 INCHES FIRST END IN
Connection StyleFLARED (TUBE) FIRST END
Seat Angle37.5 DEGREES FIRST END
Thread Quantity Per Inch18 FIRST END
Thread Class3A FIRST END A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-065-9487 INTERCHANGEABLE
Bearing,ball,annular
5920-00-243-3800M1N5 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
5930-01-134-22418851-2 INTERCHANGEABLE
Switch Assembly
Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch
8140-01-543-8914 INTERCHANGEABLE
Shipping and Storage Container,c
5180-01-668-231288512 INTERCHANGEABLE
Tool Kit,ammunition Maintenance
Omark Industries Inc Rcbs Div
Cross-Reference Index
Part NumberManufacturer
8851-2 PRIMARY Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
Related Parts
3110-00-065-9487INTERCHANGEABLE
BEARING,BALL,ANNULAR
5920-00-243-3800INTERCHANGEABLE
FUSE,CARTRIDGE
M1N5
5930-01-134-2241INTERCHANGEABLE
SWITCH ASSEMBLY
8851-2
8140-01-543-8914INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,C
5180-01-668-2312INTERCHANGEABLE
TOOL KIT,AMMUNITION MAINTENANCE
88512

Frequently Asked Questions

What is NSN 4820-00-373-7835?

NSN 4820-00-373-7835 is a Valve,plug, manufactured by Parker Hannifin Corporation Div Aerospace Group Headquarters, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-373-7835?

NSN 4820-00-373-7835 has 1 cross-referenced part number: 8851-2 (Parker Hannifin Corporation Div Aerospace Group Headquarters).

What NSN replaces 4820-00-373-7835?

There are 5 known substitutes for 4820-00-373-7835: 3110-00-065-9487, 5920-00-243-3800, 5930-01-134-2241 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8851-2?

Key specifications for 8851-2: Flow Style: TWO-WAY TWO PORT 90 DEGREE PLUG TURN; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN; Thread Direction: RIGHT-HAND FIRST END; Thread Series Designator: UNF FIRST END. 10 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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