PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1975-800Valve,angle

Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc · NSN 4820-00-422-1821 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-422-1821 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-422-1821. Primary manufacturer part number: 1975-800.
Features
  • Valve,angle — FSC 4820
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE PACKINGTUNGSTEN CARBIDE STEM
  • Thread Series Designator: NPT ALL ENDS
  • Valve Operation Method: MANUALMANUAL
  • Connection Type: THREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS
  • Material: TUNGSTEN CARBIDE STEMTUNGSTEN CARBIDE FLOW CONTROL DEVICE
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE PACKING
  • Nominal Thread Size: 0.125 INCHES ALL ENDS0.125 INCHES ALL ENDS IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polytetrafluoroethylene Packingtungsten Carbide Stem construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-422-1821, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-422-1821
Primary Part Number1975-800
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGe Ruska Instrument Corporation Div Ge Sensing Solutions Inc
StatusACTIVE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE PACKINGTUNGSTEN CARBIDE STEM
Thread Series DesignatorNPT ALL ENDS
Valve Operation MethodMANUALMANUAL
Connection TypeTHREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS
MaterialTUNGSTEN CARBIDE STEMTUNGSTEN CARBIDE FLOW CONTROL DEVICE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE PACKING
Nominal Thread Size0.125 INCHES ALL ENDS0.125 INCHES ALL ENDS IN
MaterialSTEEL CORROSION RESISTING SEATSTEEL CORROSION RESISTING BODY
Style DesignatorANGLE
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDSPLAIN,OPTIONAL END(PIPE) ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS
MaterialTUNGSTEN CARBIDE FLOW CONTROL DEVICESTEEL CORROSION RESISTING SEAT
Operating Pressure15000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Bonnet TypePACKING RETAININGPACKING RETAINING
Flow Control DeviceNEEDLENEEDLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5910-00-051-38252329B0101 INTERCHANGEABLE
Capacitor,variable,glass Dielect
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5325-00-276-4993201-1060-000 INTERCHANGEABLE
Grommet,nonmetallic
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6240-00-313-2308 INTERCHANGEABLE
Lamp,incandescent
5950-00-411-51511975 INTERCHANGEABLE
Coil,radio Frequency
Drs Signal Solutions, Inc.
5340-00-447-6025 INTERCHANGEABLE
Lock,rim
4820-00-540-1463 INTERCHANGEABLE
Valve,angle
1730-00-544-56441975-010 INTERCHANGEABLE
Jack,aircraft Landing Gear
Columbus Jack Corporation Div Columbus Jack
6625-00-800-73991975 INTERCHANGEABLE
Test Set,transponder Set
Bae Systems Information and Electronic Systems Integration Inc.
3110-00-808-29931975 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
4820-01-154-8112 INTERCHANGEABLE
Retainer,disk,valve
Cross-Reference Index
Part NumberManufacturer
1975 Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc (USA)
1975-800 PRIMARY Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc (USA)
Related Parts
5910-00-051-3825INTERCHANGEABLE
CAPACITOR,VARIABLE,GLASS DIELECT
2329B0101
5325-00-276-4993INTERCHANGEABLE
GROMMET,NONMETALLIC
201-1060-000
6240-00-313-2308INTERCHANGEABLE
LAMP,INCANDESCENT
5950-00-411-5151INTERCHANGEABLE
COIL,RADIO FREQUENCY
1975
5340-00-447-6025INTERCHANGEABLE
LOCK,RIM
4820-00-540-1463INTERCHANGEABLE
VALVE,ANGLE
1730-00-544-5644INTERCHANGEABLE
JACK,AIRCRAFT LANDING GEAR
1975-010
6625-00-800-7399INTERCHANGEABLE
TEST SET,TRANSPONDER SET
1975
3110-00-808-2993INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1975
4820-01-154-8112INTERCHANGEABLE
RETAINER,DISK,VALVE
5130-01-191-5899INTERCHANGEABLE
DRILL-DRIVER,ELECTRIC,PORTABLE
DCD710S2
5945-01-244-9636INTERCHANGEABLE
SOLENOID,COFFEE MAKER
1975

Frequently Asked Questions

What is NSN 4820-00-422-1821?

NSN 4820-00-422-1821 is a Valve,angle, manufactured by Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-422-1821?

NSN 4820-00-422-1821 has 2 cross-referenced part numbers: 1975 (Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc), 1975-800 (Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc).

What NSN replaces 4820-00-422-1821?

There are 12 known substitutes for 4820-00-422-1821: 5910-00-051-3825, 5325-00-276-4993, 6240-00-313-2308 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1975-800?

Key specifications for 1975-800: Material: PLASTIC POLYTETRAFLUOROETHYLENE PACKINGTUNGSTEN CARBIDE STEM; Thread Series Designator: NPT ALL ENDS; Valve Operation Method: MANUALMANUAL; Connection Type: THREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS. 15 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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