PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R33479ITEM137Elbow,tube

Frick Co · NSN 4730-00-250-7953 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-250-7953 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-250-7953. Primary manufacturer part number: R33479ITEM137.
Features
  • Elbow,tube — FSC 4730
  • Connection Type: UNTHREADED INTERNAL TUBE FIRST END
  • Connection Style: PLAIN (TUBE) SECOND END
  • Leg Length: 3.375 INCHES NOMINAL FIRST END IN
  • Leg Length: 3.500 INCHES NOMINAL SECOND END IN
  • Flow Angle: 90.0 DEGREES
  • Nominal Outside Diameter Tube Accommodated: 1.625 INCHES SECOND END IN
  • Connection Type: UNTHREADED EXTERNAL TUBE SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Elbow,tube, cataloged under National Stock Number 4730-00-250-7953, 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 Frick Co. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 31 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-250-7953
Primary Part NumberR33479ITEM137
Item NameElbow,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFrick Co
StatusCANCELLED
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Connection StylePLAIN (TUBE) SECOND END
Leg Length3.375 INCHES NOMINAL FIRST END IN
Leg Length3.500 INCHES NOMINAL SECOND END IN
Flow Angle90.0 DEGREES
Nominal Outside Diameter Tube Accommodated1.625 INCHES SECOND END IN
Connection TypeUNTHREADED EXTERNAL TUBE SECOND END
Nominal Outside Diameter Tube Accommodated1.625 INCHES FIRST END IN
MaterialCOPPER ALLOY OVERALL
Connection StyleSOCKET (TUBE) FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5960-00-038-1637 INTERCHANGEABLE
Electron Tube
6685-00-075-686738D0TA INTERCHANGEABLE
Thermometer,self-Indicating,bime
Sigma Products & Mfg
5805-00-087-3154353-3 INTERCHANGEABLE
Termination Cable
Microwave Devices Inc
6150-00-132-0490177 INTERCHANGEABLE
Lead,storage Battery
Elliott Machine Works Inc
2520-00-142-9250301466-23 INTERCHANGEABLE
Transmission,mechanical,vehicula
Dana Corp Spicer Transmission Div
5136-00-239-2770400104 INTERCHANGEABLE
Die,thread Cutting
Greenfield Industries Inc
6625-00-256-3251 INTERCHANGEABLE
Voltmeter
5360-00-257-1748112632 INTERCHANGEABLE
Spring,helical,compression
Telemechanics Inc
2805-00-415-5279G533 INTERCHANGEABLE
Guide
Eaton Corp Dba Eaton Aerospace Jackson
5985-00-425-3720635-2 INTERCHANGEABLE
Waveguide Assembly
Waveline Inc
Cross-Reference Index
Part NumberManufacturer
R33479ITEM137 Frick Co (USA)
FF752PC84 Frick Co (USA)
FF716PC84 Frick Co (USA)
FF751PC84 Frick Co (USA)
FF760ITEM61 Frick Co (USA)
6352 Frick Co (USA)
R33175ITEM118 Frick Co (USA)
3064-234PCF7 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
W2355EF Frick Co (USA)
564-5901-937972ALT1PCF8 Naval Ship Systems Command (USA)
268L65253-M00 Johnson Controls Ltd, York Navy Systems (GBR)
FF758PC84 Frick Co (USA)
A250118PC32 Union Carbide Corp Sub of Dow Co the (USA)
A250121-13 Union Carbide Corp Sub of Dow Co the (USA)
3064-234PCF8 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
4264-47REVAPCF17 Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility (USA)
ANSIB16.22 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
W-2355 Mueller Brass Co. (USA)
4264-47REVAPCF17 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
6352 Nibco Inc (USA)
Related Parts
5960-00-038-1637INTERCHANGEABLE
ELECTRON TUBE
6685-00-075-6867INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
38D0TA
5805-00-087-3154INTERCHANGEABLE
TERMINATION CABLE
353-3
6150-00-132-0490INTERCHANGEABLE
LEAD,STORAGE BATTERY
177
2520-00-142-9250INTERCHANGEABLE
TRANSMISSION,MECHANICAL,VEHICULA
301466-23
5136-00-239-2770INTERCHANGEABLE
DIE,THREAD CUTTING
400104
6625-00-256-3251INTERCHANGEABLE
VOLTMETER
5360-00-257-1748INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
112632
2805-00-415-5279INTERCHANGEABLE
GUIDE
G533
5985-00-425-3720INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
635-2
2825-00-446-9060INTERCHANGEABLE
BLADE ASSEMBLY
3533
2530-00-482-3543INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK

Frequently Asked Questions

What is NSN 4730-00-250-7953?

NSN 4730-00-250-7953 is a Elbow,tube, manufactured by Frick Co, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-250-7953?

NSN 4730-00-250-7953 has 31 cross-referenced part numbers: R33479ITEM137 (Frick Co), FF752PC84 (Frick Co), FF716PC84 (Frick Co), FF751PC84 (Frick Co), FF760ITEM61 (Frick Co) and 26 more.

What NSN replaces 4730-00-250-7953?

There are 12 known substitutes for 4730-00-250-7953: 5960-00-038-1637, 6685-00-075-6867, 5805-00-087-3154 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R33479ITEM137?

Key specifications for R33479ITEM137: Connection Type: UNTHREADED INTERNAL TUBE FIRST END; Connection Style: PLAIN (TUBE) SECOND END; Leg Length: 3.375 INCHES NOMINAL FIRST END IN; Leg Length: 3.500 INCHES NOMINAL SECOND END IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-250-7953 still in active supply?

NSN 4730-00-250-7953 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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