PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-23LF4Tee,tube

Graco High Pressure Equipment Inc. Dba High Pressure Equipment Company · NSN 4730-01-561-6920 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-561-6920 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-561-6920. Primary manufacturer part number: 20-23LF4.
Features
  • Tee,tube — FSC 4730
  • Leg Length: 0.875 INCHES NOMINAL FIRST END IN
  • Thread Series Designator: UNF ALL ENDS
  • Nominal Thread Size: 0.437 INCHES ALL ENDS IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES ALL ENDS IN
  • Operating Pressure: 20000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Reduced Passage Nominal Inside Diameter: 0.125 INCHES ALL ENDS IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Tee,tube, cataloged under National Stock Number 4730-01-561-6920, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Graco High Pressure Equipment Inc. Dba High Pressure Equipment Company. Government technical data includes 11 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-561-6920
Primary Part Number20-23LF4
Item NameTee,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGraco High Pressure Equipment Inc. Dba High Pressure Equipment Company
StatusACTIVE
Leg Length0.875 INCHES NOMINAL FIRST END IN
Thread Series DesignatorUNF ALL ENDS
Nominal Thread Size0.437 INCHES ALL ENDS IN
MaterialSTEEL CORROSION RESISTING OVERALL
Nominal Outside Diameter Tube Accommodated0.250 INCHES ALL ENDS IN
Operating Pressure20000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Reduced Passage Nominal Inside Diameter0.125 INCHES ALL ENDS IN
Connection StylePLAIN (TUBE) ALL ENDS
Leg Length0.875 INCHES NOMINAL THIRD END IN
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Leg Length0.688 INCHES NOMINAL SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-608-6692 INTERCHANGEABLE
Coupling,hose
5330-01-095-3195100282 INTERCHANGEABLE
Gasket
Vulcan-Hart Corp
3020-01-322-4677100282 INTERCHANGEABLE
Pulley,flat
Young Touchstone Company Div Young Touchstone
4810-01-462-793510028 REV J INTERCHANGEABLE
Valve,globe
Morpac Industries, Inc Div Actuator
5340-01-551-24080294-001 INTERCHANGEABLE
Plate,mounting
Cemen Tech, Inc.
6150-01-727-9463100282 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Aviation Battery Systems Llc
Cross-Reference Index
Part NumberManufacturer
20-23LF4 PRIMARY Graco High Pressure Equipment Inc. Dba High Pressure Equipment Company (USA)
100282 Dh Instruments Inc. (USA)
Related Parts
4730-00-608-6692INTERCHANGEABLE
COUPLING,HOSE
5330-01-095-3195INTERCHANGEABLE
GASKET
100282
3020-01-322-4677INTERCHANGEABLE
PULLEY,FLAT
100282
4810-01-462-7935INTERCHANGEABLE
VALVE,GLOBE
10028 REV J
5340-01-551-2408INTERCHANGEABLE
PLATE,MOUNTING
0294-001
6150-01-727-9463INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
100282

Frequently Asked Questions

What is NSN 4730-01-561-6920?

NSN 4730-01-561-6920 is a Tee,tube, manufactured by Graco High Pressure Equipment Inc. Dba High Pressure Equipment Company, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-561-6920?

NSN 4730-01-561-6920 has 2 cross-referenced part numbers: 20-23LF4 (Graco High Pressure Equipment Inc. Dba High Pressure Equipment Company), 100282 (Dh Instruments Inc.).

What NSN replaces 4730-01-561-6920?

There are 6 known substitutes for 4730-01-561-6920: 4730-00-608-6692, 5330-01-095-3195, 3020-01-322-4677 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-23LF4?

Key specifications for 20-23LF4: Part Name Assigned by Controlling Agency: MEDIUM PRESS TEE; Leg Length: 0.875 INCHES NOMINAL FIRST END IN; Thread Series Designator: UNF ALL ENDS; Nominal Thread Size: 0.437 INCHES ALL ENDS IN. 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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