PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3B6494Elbow,pipe

Caterpillar Inc Div Caterpillar Defense · NSN 4730-00-249-3914 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-249-3914 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-249-3914. Primary manufacturer part number: 3B6494.
Features
  • Elbow,pipe — FSC 4730
  • Thread Series Designator: NPT ALL ENDS
  • Media for Which Designed: AIR THIRD RESPONSE
  • Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE
  • Material: IRON OR IRON ALLOY OVERALL
  • Flow Angle: 90.0 DEGREES
  • Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron or Iron Alloy Overall construction
General Description

The Elbow,pipe, cataloged under National Stock Number 4730-00-249-3914, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-249-3914
Primary Part Number3B6494
Item NameElbow,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Thread Series DesignatorNPT ALL ENDS
Media for Which DesignedAIR THIRD RESPONSE
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
MaterialIRON OR IRON ALLOY OVERALL
Flow Angle90.0 DEGREES
Material Document and ClassificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Nondefinitive Spec/std Data1 TYPE
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Maximum Operating Temp150.0 FAHRENHEIT SECOND RESPONSE DEGF
Leg Length0.690 INCHES NOMINAL ALL ENDS IN
Media for Which DesignedSTEAM FIRST RESPONSE
Maximum Operating Temp500.0 FAHRENHEIT FIRST RESPONSE DEGF
Connection StylePLAIN (PIPE) ALL ENDS
Nominal Thread Size0.125 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5330-00-908-48938-21027 INTERCHANGEABLE
Gasket
Raytheon Company
5940-00-926-0027 INTERCHANGEABLE
Terminal,feedthru
5998-01-178-2827105412 INTERCHANGEABLE
Circuit Card Assembly
Aimtron Systems, Llc
Cross-Reference Index
Part NumberManufacturer
65A7M1 Ingersoll Rand Co (USA)
105412 Euclid Inc (USA)
FIG 601 1/8INCH,GALVANIZED Stockham Valves and Fittings Inc (USA)
105412 Komatsu American Intl Co (USA)
3B6494 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
4730002493914 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
WWP521 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WWP521 Mindeco Corp (USA)
WWP521 Allied Plumbing Sales Co Inc (USA)
M970B Gardner Denver Inc. (USA)
B16.3 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
105412 General Motors Corp (USA)
4730002493914 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
Related Parts
5330-00-908-4893INTERCHANGEABLE
GASKET
8-21027
5940-00-926-0027INTERCHANGEABLE
TERMINAL,FEEDTHRU
5998-01-178-2827INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
105412

Frequently Asked Questions

What is NSN 4730-00-249-3914?

NSN 4730-00-249-3914 is a Elbow,pipe, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-249-3914?

NSN 4730-00-249-3914 has 13 cross-referenced part numbers: 65A7M1 (Ingersoll Rand Co), 105412 (Euclid Inc), FIG 601 1/8INCH,GALVANIZED (Stockham Valves and Fittings Inc), 105412 (Komatsu American Intl Co), 3B6494 (Caterpillar Inc Div Caterpillar Defense) and 8 more.

What NSN replaces 4730-00-249-3914?

There are 3 known substitutes for 4730-00-249-3914: 5330-00-908-4893, 5940-00-926-0027, 5998-01-178-2827. Verify interchangeability with system specifications before substitution.

What are the specifications of 3B6494?

Key specifications for 3B6494: Thread Series Designator: NPT ALL ENDS; Media for Which Designed: AIR THIRD RESPONSE; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS; Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-249-3914 still in active supply?

NSN 4730-00-249-3914 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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