PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6989256Elbow,tube to Boss

General Dynamics Land Systems Canadacorp · NSN 4730-00-220-5574 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-220-5574 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-220-5574. Primary manufacturer part number: 6989256.
Features
  • Elbow,tube to Boss — FSC 4730
  • Nominal Outside Diameter Tube Accommodated: 0.750 INCHES FIRST END IN
  • Flow Angle: 90.0 DEGREES
  • Leg Length: 1.938 INCHES NOMINAL SECOND END IN
  • Surface Treatment: CADMIUM OVERALL
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Thread Series Designator: UN ALL ENDS
  • Seat Angle: 37.0 DEGREES FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Elbow,tube to Boss, cataloged under National Stock Number 4730-00-220-5574, 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 General Dynamics Land Systems Canadacorp. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-220-5574
Primary Part Number6989256
Item NameElbow,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGeneral Dynamics Land Systems Canadacorp
StatusACTIVE
Nominal Outside Diameter Tube Accommodated0.750 INCHES FIRST END IN
Flow Angle90.0 DEGREES
Leg Length1.938 INCHES NOMINAL SECOND END IN
Surface TreatmentCADMIUM OVERALL
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread Series DesignatorUN ALL ENDS
Seat Angle37.0 DEGREES FIRST END
Leg Length1.656 INCHES NOMINAL FIRST END IN
Reduced Passage Nominal Inside Diameter0.609 INCHES ALL ENDS IN
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Connection StyleFLARED (TUBE) FIRST END
Thread Class2A ALL ENDS A
Furnished Items and Quantity1 LOCKNUT AND 1 PREFORMED PACKING AND 1 FLAT WASHER
Nominal Thread Size1.062 INCHES ALL ENDS IN
Thread Quantity Per Inch12 ALL ENDS
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-231-3964AS5196-1212 INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
4730-01-011-7736 INTERCHANGEABLE
Elbow,tube to Boss
6210-01-076-459225-0312-12 INTERCHANGEABLE
Lens,light
Grimes Aerospace Company
5935-01-607-6277 INTERCHANGEABLE
Adapter,connector
Cross-Reference Index
Part NumberManufacturer
7-445-121245 Minnpar, Llc Dba Minnpar (USA)
102-0195 Landoll Company, Llc (USA)
2503-12-12 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
F10270-2 Pettibone Llc (USA)
6989256 PRIMARY General Dynamics Land Systems Canadacorp (CAN)
94-2062-12-12S Danfoss Power Solutions II, Llc (USA)
849-FS0-12X12 Parker Hannifin Corp Hose Products Div (USA)
7-445-121245 Grove U.s. Llc Dba Grove Us Llc (USA)
94-2062-12-12 PRIMARY Danfoss Power Solutions II, Llc (USA)
2062-12-12S PRIMARY Danfoss Power Solutions II, Llc (USA)
2503-12-12 Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
624VLH00161 Arrow-Master, Incorporated (USA)
P66861 Athey Products Corp (USA)
Related Parts
4730-00-231-3964INTERCHANGEABLE
ELBOW,PIPE TO TUBE
AS5196-1212
4730-01-011-7736INTERCHANGEABLE
ELBOW,TUBE TO BOSS
6210-01-076-4592INTERCHANGEABLE
LENS,LIGHT
25-0312-12
5935-01-607-6277INTERCHANGEABLE
ADAPTER,CONNECTOR

Frequently Asked Questions

What is NSN 4730-00-220-5574?

NSN 4730-00-220-5574 is a Elbow,tube to Boss, manufactured by General Dynamics Land Systems Canadacorp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-220-5574?

NSN 4730-00-220-5574 has 13 cross-referenced part numbers: 7-445-121245 (Minnpar, Llc Dba Minnpar), 102-0195 (Landoll Company, Llc), 2503-12-12 (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), F10270-2 (Pettibone Llc), 6989256 (General Dynamics Land Systems Canadacorp) and 8 more.

What NSN replaces 4730-00-220-5574?

There are 4 known substitutes for 4730-00-220-5574: 4730-00-231-3964, 4730-01-011-7736, 6210-01-076-4592 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6989256?

Key specifications for 6989256: Nominal Outside Diameter Tube Accommodated: 0.750 INCHES FIRST END IN; Flow Angle: 90.0 DEGREES; Leg Length: 1.938 INCHES NOMINAL SECOND END IN; Surface Treatment: CADMIUM OVERALL. 17 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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