PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

80594Elbow,pipe

Lawson Products, Inc. · NSN 4730-00-278-4294 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-278-4294 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-278-4294. Primary manufacturer part number: 80594.
Features
  • Elbow,pipe — FSC 4730
  • Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE
  • Thread Series Designator: NPT SECOND END
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
  • Thread Series Designator: NPT FIRST END
  • Nominal Pipe Size Accommodated: 0.500 INCHES SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Elbow,pipe, cataloged under National Stock Number 4730-00-278-4294, 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 Lawson Products, Inc.. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-278-4294
Primary Part Number80594
Item NameElbow,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerLawson Products, Inc.
StatusCANCELLED
Material Document and ClassificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Thread Series DesignatorNPT SECOND END
Nominal Thread Size0.500 INCHES FIRST END IN
Thread Series DesignatorNPT FIRST END
Nominal Pipe Size Accommodated0.500 INCHES SECOND END IN
Nominal Pipe Size Accommodated0.500 INCHES FIRST END IN
Connection StylePLAIN (PIPE) FIRST END
Leg Length1.150 INCHES NOMINAL SECOND END IN
Maximum Operating Temp260.0 CELSIUS FIRST RESPONSE DEGC
Connection TypeTHREADED INTERNAL PIPE FIRST END
Leg Length0.880 INCHES NOMINAL FIRST END IN
Maximum Operating Temp65.6 CELSIUS SECOND RESPONSE DEGC
Connection StylePLAIN (PIPE) SECOND END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Nominal Thread Size0.500 INCHES SECOND END IN
Media for Which DesignedSTEAM FIRST RESPONSE
Nondefinitive Spec/std Data1 TYPE
Flow Angle45.0 DEGREES
MaterialIRON OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5133-00-189-9255 INTERCHANGEABLE
Drill,twist
4730-00-249-3935 INTERCHANGEABLE
Elbow,pipe
6645-00-943-906391810 INTERCHANGEABLE
Timer,sequential
L3harris Technologies, Inc Div Space & Airborne Systems
5905-01-077-9703311-1559-00 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Tektronix, Inc.
4920-01-299-520091810 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
1005-01-449-9257IP-918-10 INTERCHANGEABLE
Patch,small Cal.
Otis Products, Inc. Dba Otis Technology
6685-01-516-4845137894 INTERCHANGEABLE
Thermostat,flow Control
Dover Corp Groen Div
Cross-Reference Index
Part NumberManufacturer
1045 Ingersoll Rand Co (USA)
ASME B16.3 American Society for Testing and Materials Dba Astm International (USA)
P6144 Bomag Usa Sub of United Dominion Industries Ltd (USA)
WWP521 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
137894 Navistar International Corporation Dba Navistar (USA)
137894 International Harvester Co Agricultural Equipment Div (USA)
91810 Briggs and Stratton Corp (USA)
1104-1/2 IN BLACK Itt Grinnell Corp (USA)
80594 PRIMARY Lawson Products, Inc. (USA)
Related Parts
5133-00-189-9255INTERCHANGEABLE
DRILL,TWIST
4730-00-249-3935INTERCHANGEABLE
ELBOW,PIPE
6645-00-943-9063INTERCHANGEABLE
TIMER,SEQUENTIAL
91810
5905-01-077-9703INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
311-1559-00
4920-01-299-5200INTERCHANGEABLE
TEST PROGRAM SET
91810
1005-01-449-9257INTERCHANGEABLE
PATCH,SMALL CAL.
IP-918-10
6685-01-516-4845INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
137894

Frequently Asked Questions

What is NSN 4730-00-278-4294?

NSN 4730-00-278-4294 is a Elbow,pipe, manufactured by Lawson Products, Inc., classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-278-4294?

NSN 4730-00-278-4294 has 9 cross-referenced part numbers: 1045 (Ingersoll Rand Co), ASME B16.3 (American Society for Testing and Materials Dba Astm International), P6144 (Bomag Usa Sub of United Dominion Industries Ltd), WWP521 (Federal Specifications Promulgated by General Services Administration Washington DC), 137894 (Navistar International Corporation Dba Navistar) and 4 more.

What NSN replaces 4730-00-278-4294?

There are 7 known substitutes for 4730-00-278-4294: 5133-00-189-9255, 4730-00-249-3935, 6645-00-943-9063 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 80594?

Key specifications for 80594: Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE; Thread Series Designator: NPT SECOND END. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-278-4294 still in active supply?

NSN 4730-00-278-4294 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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