PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5HB588Adapter,straight,pipe to Tube

Oshkosh Defense Llc · NSN 4730-00-718-2621 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-718-2621 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-718-2621. Primary manufacturer part number: 5HB588.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • 45 verified cross-references
  • Primary manufacturer: Oshkosh Defense Llc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-718-2621, 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 Oshkosh Defense Llc. This item has 45 commercial cross-references from 30 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersOshkosh Defense Llc (CAGE 75Q65); Oshkosh Corp (CAGE 45152); Air-Way Manufacturing Company (CAGE 22031); Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M (CAGE 96906); Society of Automotive Engineers Inc (CAGE 81343)
Technical Specifications
ParameterValue
NSN4730-00-718-2621
Primary Part Number5HB588
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5905-00-257-84142A219TVIT100HM604SLD INTERCHANGEABLE
Resistor,adjustable
Ward Leonard Ct Llc
1650-00-348-178720731 INTERCHANGEABLE
Fitting,selector VA
Meggitt North Hollywood Inc
5340-00-360-15166198550 INTERCHANGEABLE
Cover,access
Army, United States Department of the Dba Rock Island Arsenal Jmtc
2995-00-441-528423341 INTERCHANGEABLE
Seat,ball
Triumph Controls, Llc Dba Triumph Controls, Llc
4730-00-541-093816FTX-S INTERCHANGEABLE
Adapter,straight,pipe to Tube
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
2815-00-733-2662A100016 INTERCHANGEABLE
Valve,poppet,engine
Curtiss-Wright Controls, Inc. Div Actuation Division
5330-01-145-120623341 INTERCHANGEABLE
Gasket
Barksdale, Inc
4730-01-189-2118 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4730-01-360-7072 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4030-01-479-2256240416 INTERCHANGEABLE
Hook,hoist
Allied Systems Company Dba Allied Systems Co
Cross-Reference Index
Part NumberManufacturer
5HB588 Oshkosh Defense Llc (USA)
7714GX Oshkosh Corp (USA)
2404-16 Air-Way Manufacturing Company (USA)
MS51500A16Z Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
J514 Society of Automotive Engineers Inc (USA)
00646210 Kidde Fire Fighting, Inc. Div National Foam (USA)
354174 Eaton Aerospace, Llc Dba Jackson South (USA)
J514 Sae International Dba Sae International (USA)
16FBTXS Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
107A-236 Crane Carrier Company, Llc (USA)
16-FBTX-S-C C Fd Johnson Co (USA)
23341 Davey Compressor Co Div of Keco Industries Inc (USA)
2021-16-16 Danfoss Power Solutions II, Llc (USA)
896177 Eaton Aerospace, Llc Dba Jackson South (USA)
AC1000-16 Lube Devices Inc Flodar Fluid Power Fittings Div (USA)
A1000-16 Lube Devices Inc Flodar Fluid Power Fittings Div (USA)
16-070102 Sae International Dba Sae International (USA)
MS51500B16 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
2031992 Eaton Corp Forestry and Construction Equipment Div Batavia Plant (USA)
MS51500A16 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5905-00-257-8414INTERCHANGEABLE
RESISTOR,ADJUSTABLE
2A219TVIT100HM604SLD
1650-00-348-1787INTERCHANGEABLE
FITTING,SELECTOR VA
20731
5340-00-360-1516INTERCHANGEABLE
COVER,ACCESS
6198550
2995-00-441-5284INTERCHANGEABLE
SEAT,BALL
23341
4730-00-541-0938INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
16FTX-S
2815-00-733-2662INTERCHANGEABLE
VALVE,POPPET,ENGINE
A100016
5330-01-145-1206INTERCHANGEABLE
GASKET
23341
4730-01-189-2118INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-01-360-7072INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4030-01-479-2256INTERCHANGEABLE
HOOK,HOIST
240416
4930-01-496-5362INTERCHANGEABLE
SWIVEL,LUBRICATION LINE
240416
5310-01-502-2556INTERCHANGEABLE
WASHER,BEVEL
218448

Frequently Asked Questions

What is NSN 4730-00-718-2621?

NSN 4730-00-718-2621 is a Adapter,straight,pipe to Tube, manufactured by Oshkosh Defense Llc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-718-2621?

NSN 4730-00-718-2621 has 45 cross-referenced part numbers: 5HB588 (Oshkosh Defense Llc), 7714GX (Oshkosh Corp), 2404-16 (Air-Way Manufacturing Company), MS51500A16Z (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), J514 (Society of Automotive Engineers Inc) and 40 more.

What NSN replaces 4730-00-718-2621?

There are 12 known substitutes for 4730-00-718-2621: 5905-00-257-8414, 1650-00-348-1787, 5340-00-360-1516 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4730-00-718-2621 still in active supply?

NSN 4730-00-718-2621 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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