PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

181-5035Elbow,tube to Boss

Fluid Power Components Inc · NSN 4730-01-145-0972 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-145-0972 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-145-0972. Primary manufacturer part number: 181-5035.
Features
  • Elbow,tube to Boss — FSC 4730
  • Leg Length: 1.612 INCHES NOMINAL FIRST END IN
  • Thread Series Designator: UN FIRST END
  • Thread Quantity Per Inch: 16 FIRST END
  • Leg Length: 1.466 INCHES NOMINAL SECOND END IN
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
  • Nominal Thread Size: 0.875 INCHES FIRST END IN
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 4730-01-145-0972, 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 Fluid Power Components Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-145-0972
Primary Part Number181-5035
Item NameElbow,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFluid Power Components Inc
StatusACTIVE
Leg Length1.612 INCHES NOMINAL FIRST END IN
Thread Series DesignatorUN FIRST END
Thread Quantity Per Inch16 FIRST END
Leg Length1.466 INCHES NOMINAL SECOND END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
Nominal Thread Size0.875 INCHES FIRST END IN
Thread Class2A ALL ENDS A
Flow Angle90.0 DEGREES
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Nominal Thread Size0.750 INCHES SECOND END IN
Thread Series DesignatorUNF SECOND END
MaterialSTEEL OVERALL
Nominal Outside Diameter Tube Accommodated0.625 INCHES FIRST END IN
Connection StyleGASKET SEAL (TUBE) FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4720-01-033-2806181-5021 INTERCHANGEABLE
Hose Assembly,nonmetallic
Fluid Power Components Inc
7035-01-056-1125SA-2071/USQ-67 INTERCHANGEABLE
Switching Unitmatr
Joint Electronics Type Designation System
4930-01-196-1294181-5000-07 INTERCHANGEABLE
Lubricator,airline
Fluid Power Components Inc
4820-01-196-5356181-5006 INTERCHANGEABLE
Valve,angle
Fluid Power Components Inc
4730-01-204-1120181-5042 INTERCHANGEABLE
Coupling,tube
Fluid Power Components Inc
4710-01-204-5476181-5036 INTERCHANGEABLE
Tube,metallic
Fluid Power Components Inc
4330-01-204-8441181-5032 INTERCHANGEABLE
Spring Guide Assembly,filter
Fluid Power Components Inc
Cross-Reference Index
Part NumberManufacturer
181-5000 Fluid Power Components Inc (USA)
181-5035 PRIMARY Fluid Power Components Inc (USA)
181-5000 ITEM 35 Fluid Power Components Inc (USA)
Related Parts
4720-01-033-2806INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
181-5021
7035-01-056-1125INTERCHANGEABLE
SWITCHING UNITMATR
SA-2071/USQ-67
4930-01-196-1294INTERCHANGEABLE
LUBRICATOR,AIRLINE
181-5000-07
4820-01-196-5356INTERCHANGEABLE
VALVE,ANGLE
181-5006
4730-01-204-1120INTERCHANGEABLE
COUPLING,TUBE
181-5042
4710-01-204-5476INTERCHANGEABLE
TUBE,METALLIC
181-5036
4330-01-204-8441INTERCHANGEABLE
SPRING GUIDE ASSEMBLY,FILTER
181-5032

Frequently Asked Questions

What is NSN 4730-01-145-0972?

NSN 4730-01-145-0972 is a Elbow,tube to Boss, manufactured by Fluid Power Components Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-145-0972?

NSN 4730-01-145-0972 has 3 cross-referenced part numbers: 181-5000 (Fluid Power Components Inc), 181-5035 (Fluid Power Components Inc), 181-5000 ITEM 35 (Fluid Power Components Inc).

What NSN replaces 4730-01-145-0972?

There are 7 known substitutes for 4730-01-145-0972: 4720-01-033-2806, 7035-01-056-1125, 4930-01-196-1294 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 181-5035?

Key specifications for 181-5035: Leg Length: 1.612 INCHES NOMINAL FIRST END IN; Thread Series Designator: UN FIRST END; Thread Quantity Per Inch: 16 FIRST END; Leg Length: 1.466 INCHES NOMINAL SECOND END IN. 15 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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