PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1S1830Valve,angle

Caterpillar Inc Div Caterpillar Defense · NSN 4820-00-104-2061 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-104-2061 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-104-2061. Primary manufacturer part number: 1S1830.
Features
  • Valve,angle — FSC 4820
  • Nominal Thread Size: 0.250 INCHES SECOND END IN
  • Thread Series Designator: NPT ALL ENDS
  • Bonnet Type: INSIDE SCREW
  • Connection Style: PLAIN,OPTIONAL END(PIPE) FIRST END
  • Style Designator: STRAIGHT THRU
  • Flow Control Device: DISK
  • Valve Operation Method: MANUAL
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 4820-00-104-2061, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-104-2061
Primary Part Number1S1830
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Nominal Thread Size0.250 INCHES SECOND END IN
Thread Series DesignatorNPT ALL ENDS
Bonnet TypeINSIDE SCREW
Connection StylePLAIN,OPTIONAL END(PIPE) FIRST END
Style DesignatorSTRAIGHT THRU
Flow Control DeviceDISK
Valve Operation MethodMANUAL
Bonnet Attachment MethodTHREADED
MaterialCOPPER ALLOY OVERALL
Nominal Thread Size0.250 INCHES FIRST END IN
Connection StylePLAIN (PIPE) SECOND END
Thread DirectionRIGHT-HAND ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5910-00-128-32614884 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Pax Mfg Corp Hammarlund Mfg Co Div
2910-00-453-6589 INTERCHANGEABLE
Jet
5950-00-715-637048-84 INTERCHANGEABLE
Coil,radio Frequency
Keysight Technologies Inc
5905-00-930-056873089 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Iet Labs Inc
5120-01-073-0382GS15970-1 INTERCHANGEABLE
Tool,extractor,nozzle
Hamilton Sundstrand Corporation Dba Collins Aerospace
6145-01-077-48844884 INTERCHANGEABLE
Cable,power,electrical
Compass Enterprises Inc
6150-01-235-67524884 INTERCHANGEABLE
Lead,electrical
Aerocontrolex Group, Inc. Div Talley Actuators
Cross-Reference Index
Part NumberManufacturer
1S1830 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
4884 Lincoln Brass Works Inc (USA)
Related Parts
5910-00-128-3261INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
4884
2910-00-453-6589INTERCHANGEABLE
JET
5950-00-715-6370INTERCHANGEABLE
COIL,RADIO FREQUENCY
48-84
5905-00-930-0568INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
73089
5120-01-073-0382INTERCHANGEABLE
TOOL,EXTRACTOR,NOZZLE
GS15970-1
6145-01-077-4884INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
4884
6150-01-235-6752INTERCHANGEABLE
LEAD,ELECTRICAL
4884

Frequently Asked Questions

What is NSN 4820-00-104-2061?

NSN 4820-00-104-2061 is a Valve,angle, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-104-2061?

NSN 4820-00-104-2061 has 2 cross-referenced part numbers: 1S1830 (Caterpillar Inc Div Caterpillar Defense), 4884 (Lincoln Brass Works Inc).

What NSN replaces 4820-00-104-2061?

There are 7 known substitutes for 4820-00-104-2061: 5910-00-128-3261, 2910-00-453-6589, 5950-00-715-6370 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1S1830?

Key specifications for 1S1830: Nominal Thread Size: 0.250 INCHES SECOND END IN; Thread Series Designator: NPT ALL ENDS; Bonnet Type: INSIDE SCREW; Connection Style: PLAIN,OPTIONAL END(PIPE) FIRST END. 12 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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