PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

131-50320Cock,shutoff,screw Stem

Danfoss Power Solutions II, Llc · NSN 4820-00-293-3669 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-293-3669 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-293-3669. Primary manufacturer part number: 131-50320.
Features
  • Cock,shutoff,screw Stem — FSC 4820
  • Nominal Pipe Size Accommodated: 0.125 INCHES SECOND END IN
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Thread Class: 2A FIRST END A
  • Style Designator: STRAIGHT THRU
  • Valve Operation Method: MANUAL
  • Flow Control Device: DISK OR STEM
  • Material: COPPER ALLOY OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Cock,shutoff,screw Stem, cataloged under National Stock Number 4820-00-293-3669, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Danfoss Power Solutions II, Llc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 13 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
NSN4820-00-293-3669
Primary Part Number131-50320
Item NameCock,shutoff,screw Stem
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDanfoss Power Solutions II, Llc
StatusCANCELLED
Nominal Pipe Size Accommodated0.125 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread Class2A FIRST END A
Style DesignatorSTRAIGHT THRU
Valve Operation MethodMANUAL
Flow Control DeviceDISK OR STEM
MaterialCOPPER ALLOY OVERALL
Thread Series DesignatorUNF FIRST END
Thread Quantity Per Inch27 SECOND END
Seat Angle45.0 DEGREES FIRST END
Thread DirectionRIGHT-HAND FIRST END
Thread DirectionRIGHT-HAND SECOND END
Connection StylePLAIN (PIPE) SECOND END
Nominal Thread Size0.125 INCHES SECOND END IN
Nominal Thread Size0.437 INCHES FIRST END IN
Connection StyleFLARED (TUBE) FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Thread Series DesignatorNPT SECOND END
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-013-2942812-0153 INTERCHANGEABLE
Screw,machine
Cummins Power Generation Inc.
5110-00-199-046132150 INTERCHANGEABLE
Reamer,hand
Chadwick & Trefethen, Inc.
4820-00-580-6922114-6C INTERCHANGEABLE
Valve,angle
Superior Valve Co
5360-00-616-167332150 INTERCHANGEABLE
Spring,helical,compression
Leslie Controls, Inc. Dba Leslie Controls Inc
5331-01-132-3268A15528 INTERCHANGEABLE
O-Ring
Cnh Industrial America Llc Dba Cnh America
7010-01-143-2557485858 INTERCHANGEABLE
Sample Tube
Newington Electric Co., Inc.
3439-01-146-330432-150 INTERCHANGEABLE
Tip,electric Soldering Iron
Bei Sensors & Systems Company Inc Dba Kimco Magnetics Division Div Bei Kimco Magnetics Division
4440-01-298-8038 INTERCHANGEABLE
Dehydrator Unit,nonreactivating
4140-01-357-0538485858 INTERCHANGEABLE
Guard,fan Impeller
Miltope Corporation
5895-01-593-5932AB2150 INTERCHANGEABLE
Interface Unit,communication Equ
Ballard Technology, Inc. Dba Astronics Ballard Technology
Cross-Reference Index
Part NumberManufacturer
320 Dana Corp Weatherhead Div (USA)
A15528 Pincor Power Corp (USA)
MJH3-107 Mancraft Industries Inc (USA)
131-50320 PRIMARY Danfoss Power Solutions II, Llc (USA)
163885H1 Komatsu American Intl Co (USA)
485858 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
320 PRIMARY Danfoss Power Solutions II, Llc (USA)
32-150 Cpi Satcom & Antenna Technologies Inc. (USA)
812015-3 Mag Aerospace Industries Inc.,dba Monogramsystems Dba Monogram Systems (USA)
320 Pennsylvania Perlite Corp (USA)
13226E9548 Cecom Lr Center (USA)
131-50320 Dana Corp Weatherhead Div (USA)
103SC PRIMARY Couplings Co Inc (USA)
163885 Komatsu American Intl Co (USA)
1178177 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
812015-3 Mag Aerospace Industries, Llc Div Safran Cabins (USA)
Related Parts
5305-00-013-2942INTERCHANGEABLE
SCREW,MACHINE
812-0153
5110-00-199-0461INTERCHANGEABLE
REAMER,HAND
32150
4820-00-580-6922INTERCHANGEABLE
VALVE,ANGLE
114-6C
5360-00-616-1673INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
32150
5331-01-132-3268INTERCHANGEABLE
O-RING
A15528
7010-01-143-2557INTERCHANGEABLE
SAMPLE TUBE
485858
3439-01-146-3304INTERCHANGEABLE
TIP,ELECTRIC SOLDERING IRON
32-150
4440-01-298-8038INTERCHANGEABLE
DEHYDRATOR UNIT,NONREACTIVATING
4140-01-357-0538INTERCHANGEABLE
GUARD,FAN IMPELLER
485858
5895-01-593-5932INTERCHANGEABLE
INTERFACE UNIT,COMMUNICATION EQU
AB2150
6515-01-603-6352INTERCHANGEABLE
SUTURE,ABSORBABLE,SURGICAL
Z340H
2910-01-677-0169INTERCHANGEABLE
FILTER ASSEMBLY,FLUID
32150

Frequently Asked Questions

What is NSN 4820-00-293-3669?

NSN 4820-00-293-3669 is a Cock,shutoff,screw Stem, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-293-3669?

NSN 4820-00-293-3669 has 16 cross-referenced part numbers: 320 (Dana Corp Weatherhead Div), A15528 (Pincor Power Corp), MJH3-107 (Mancraft Industries Inc), 131-50320 (Danfoss Power Solutions II, Llc), 163885H1 (Komatsu American Intl Co) and 11 more.

What NSN replaces 4820-00-293-3669?

There are 12 known substitutes for 4820-00-293-3669: 5305-00-013-2942, 5110-00-199-0461, 4820-00-580-6922 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 131-50320?

Key specifications for 131-50320: Nominal Pipe Size Accommodated: 0.125 INCHES SECOND END IN; Connection Type: THREADED EXTERNAL TUBE FIRST END; Thread Class: 2A FIRST END A; Style Designator: STRAIGHT THRU. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-293-3669 still in active supply?

NSN 4820-00-293-3669 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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