PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D661-1213Valve,angle

Gas Equipment Engineering Corporation, the Dba Geeco · NSN 4820-00-018-7833 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-018-7833 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-018-7833. Primary manufacturer part number: D661-1213.
Features
  • Valve,angle — FSC 4820
  • Nominal Outside Diameter Tube Accommodated: 0.500 INCHES FIRST END IN
  • Thread Quantity Per Inch: 26 SECOND END
  • Material: COPPER ALLOY OVERALL
  • Style Designator: ANGLE
  • Thread Series Designator: UNF SECOND END
  • Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Valve Operation Method: AUTOMATIC
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Overall construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-018-7833, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Gas Equipment Engineering Corporation, the Dba Geeco. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-018-7833
Primary Part NumberD661-1213
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGas Equipment Engineering Corporation, the Dba Geeco
StatusCANCELLED
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Thread Quantity Per Inch26 SECOND END
MaterialCOPPER ALLOY OVERALL
Style DesignatorANGLE
Thread Series DesignatorUNF SECOND END
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Operation MethodAUTOMATIC
Thread DirectionRIGHT-HAND SECOND END
Connection StylePLAIN (TUBE) FIRST END
Connection StyleFLARED (TUBE) SECOND END
Thread Class2A SECOND END A
Bonnet TypeINSIDE SCREW
Renewable Seat Ring TypePRESSED-IN
Bonnet Attachment MethodTHREADED
Flow Control DeviceDISK
Furnished Items and Quantity1 CAP AND 1 CHAIN
Nominal Thread Size0.750 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5935-00-088-19235M961-160 INTERCHANGEABLE
Connector,receptacle,electrical
The Boeing Company Div Defense
5970-00-189-59136436 NO TRACER 1-4IN INTERCHANGEABLE
Sleeving,textile,electrical
Telemechanics Inc
4720-00-212-6941A15803 INTERCHANGEABLE
Hose Assembly,nonmetallic
Am General Llc
5950-00-231-5280SCC85284 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-00-248-890510A48391T85 INTERCHANGEABLE
Switch,sensitive
Westinghouse Electric Corp
3120-00-293-5041GBF79 INTERCHANGEABLE
Bearing,sleeve
Prestolite Electric Inc
1680-00-467-79906436 INTERCHANGEABLE
Seat,diaphragm,va
Eaton Limited
5970-00-537-86476436 INTERCHANGEABLE
Sleeving,textile,electrical
Telemechanics Inc
5950-00-625-969110-3173-24 INTERCHANGEABLE
Transformer,power Autotransforme
The Boeing Company Div Defense
4730-01-031-912348036 INTERCHANGEABLE
Clamp,hose
Epicor Industries Inc Ideal Div
Cross-Reference Index
Part NumberManufacturer
6436 Henry Technologies, Inc. (USA)
A-15803 Mueller Brass Co. (USA)
6436N Henry Technologies, Inc. (USA)
MIL-DTL-20064 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M20064 TYIII CL8 SIZE 1/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SK5054N6436 Henry Technologies, Inc. (USA)
D661-1213 PRIMARY Gas Equipment Engineering Corporation, the Dba Geeco (USA)
MILV20064TYPEIIICLASS8 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5935-00-088-1923INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5M961-160
5970-00-189-5913INTERCHANGEABLE
SLEEVING,TEXTILE,ELECTRICAL
6436 NO TRACER 1-4IN
4720-00-212-6941INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
A15803
5950-00-231-5280INTERCHANGEABLE
TRANSFORMER,POWER
SCC85284
5930-00-248-8905INTERCHANGEABLE
SWITCH,SENSITIVE
10A48391T85
3120-00-293-5041INTERCHANGEABLE
BEARING,SLEEVE
GBF79
1680-00-467-7990INTERCHANGEABLE
SEAT,DIAPHRAGM,VA
6436
5970-00-537-8647INTERCHANGEABLE
SLEEVING,TEXTILE,ELECTRICAL
6436
5950-00-625-9691INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
10-3173-24
4730-01-031-9123INTERCHANGEABLE
CLAMP,HOSE
48036
7510-01-214-5371INTERCHANGEABLE
RIBBON,INKING
4300
2030-01-282-0386INTERCHANGEABLE
BASE BLOCK KIT
6436

Frequently Asked Questions

What is NSN 4820-00-018-7833?

NSN 4820-00-018-7833 is a Valve,angle, manufactured by Gas Equipment Engineering Corporation, the Dba Geeco, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-018-7833?

NSN 4820-00-018-7833 has 8 cross-referenced part numbers: 6436 (Henry Technologies, Inc.), A-15803 (Mueller Brass Co.), 6436N (Henry Technologies, Inc.), MIL-DTL-20064 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M20064 TYIII CL8 SIZE 1/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 4820-00-018-7833?

There are 12 known substitutes for 4820-00-018-7833: 5935-00-088-1923, 5970-00-189-5913, 4720-00-212-6941 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D661-1213?

Key specifications for D661-1213: Nominal Outside Diameter Tube Accommodated: 0.500 INCHES FIRST END IN; Thread Quantity Per Inch: 26 SECOND END; Material: COPPER ALLOY OVERALL; Style Designator: ANGLE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-018-7833 still in active supply?

NSN 4820-00-018-7833 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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