PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6783Cock,drain

Mid-State Sales, Inc. Div Defense Products Group · NSN 4820-01-065-1855 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-065-1855 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-065-1855. Primary manufacturer part number: 6783.
Features
  • Cock,drain — FSC 4820
  • Style Designator: STRAIGHT THRU
  • Valve Operation Method: MANUAL
  • Nominal Thread Size: 0.125 INCHES FIRST END IN
  • Connection Style: PLAIN (PIPE) FIRST END
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Thread Direction: RIGHT-HAND FIRST END
  • Material: COPPER ALLOY OVERALL
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Cock,drain, cataloged under National Stock Number 4820-01-065-1855, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mid-State Sales, Inc. Div Defense Products Group. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, 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
NSN4820-01-065-1855
Primary Part Number6783
Item NameCock,drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMid-State Sales, Inc. Div Defense Products Group
StatusACTIVE
Style DesignatorSTRAIGHT THRU
Valve Operation MethodMANUAL
Nominal Thread Size0.125 INCHES FIRST END IN
Connection StylePLAIN (PIPE) FIRST END
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Thread DirectionRIGHT-HAND FIRST END
MaterialCOPPER ALLOY OVERALL
Flow Control DeviceSTEM
Thread Series DesignatorNPT FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3040-00-106-5618101373 INTERCHANGEABLE
Ball Joint
Linde Material Handling North America Corporation
5940-00-237-679812TM315 INTERCHANGEABLE
Post,binding,electrical
Eby Group, Llc, the Dba Eby Company Div Eby Company
4820-01-068-17216783 INTERCHANGEABLE
Cock,drain
Amfs American Fleet Services
6210-01-069-23256783 INTERCHANGEABLE
Knob Assembly
Cooper Bussmann, Llc Dba Cooper Industries
4720-01-177-1708 INTERCHANGEABLE
Hose Assembly,nonmetallic
5310-01-185-058566707 INTERCHANGEABLE
Washer,flat
Parker-Hannifin Corporation Dba Control Systems Division
5120-01-233-8310 INTERCHANGEABLE
Remover,electrical Contact
7430-01-302-8005SUPERSELECTRIC 35 INTERCHANGEABLE
Typewriter
International Business Machines Corp Parts Order Center Dept E - 54
4240-01-343-2220520600 INTERCHANGEABLE
Powered-Air Purifying
Honeywell Safety Products Usa, Inc.
2530-01-357-6041 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Cross-Reference Index
Part NumberManufacturer
6783 PRIMARY Mid-State Sales, Inc. Div Defense Products Group (USA)
6783 Dana Corp Weatherhead Div (USA)
6783 Dana Corp Weatherhead Div (USA)
66707 Davey Compressor Co Div of Keco Industries Inc (USA)
6783 PRIMARY Danfoss Power Solutions II, Llc (USA)
1026735 PRIMARY Electromechanical Systems, Inc. (USA)
66707 Drs Environmental Systems Inc (USA)
Related Parts
3040-00-106-5618INTERCHANGEABLE
BALL JOINT
101373
5940-00-237-6798INTERCHANGEABLE
POST,BINDING,ELECTRICAL
12TM315
4820-01-068-1721INTERCHANGEABLE
COCK,DRAIN
6783
6210-01-069-2325INTERCHANGEABLE
KNOB ASSEMBLY
6783
4720-01-177-1708INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5310-01-185-0585INTERCHANGEABLE
WASHER,FLAT
66707
5120-01-233-8310INTERCHANGEABLE
REMOVER,ELECTRICAL CONTACT
7430-01-302-8005INTERCHANGEABLE
TYPEWRITER
SUPERSELECTRIC 35
4240-01-343-2220INTERCHANGEABLE
POWERED-AIR PURIFYING
520600
2530-01-357-6041INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
5365-01-621-0162INTERCHANGEABLE
RING,CONNECTING,ROUND
6783

Frequently Asked Questions

What is NSN 4820-01-065-1855?

NSN 4820-01-065-1855 is a Cock,drain, manufactured by Mid-State Sales, Inc. Div Defense Products Group, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-065-1855?

NSN 4820-01-065-1855 has 7 cross-referenced part numbers: 6783 (Mid-State Sales, Inc. Div Defense Products Group), 6783 (Dana Corp Weatherhead Div), 6783 (Dana Corp Weatherhead Div), 66707 (Davey Compressor Co Div of Keco Industries Inc), 6783 (Danfoss Power Solutions II, Llc) and 2 more.

What NSN replaces 4820-01-065-1855?

There are 11 known substitutes for 4820-01-065-1855: 3040-00-106-5618, 5940-00-237-6798, 4820-01-068-1721 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6783?

Key specifications for 6783: Style Designator: STRAIGHT THRU; Valve Operation Method: MANUAL; Nominal Thread Size: 0.125 INCHES FIRST END IN; Connection Style: PLAIN (PIPE) FIRST END. 11 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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