PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

202220-8-8SAdapter,straight,tube to Boss

Danfoss Power Solutions II, Llc · NSN 4730-01-178-8466 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-178-8466 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-178-8466. Primary manufacturer part number: 202220-8-8S.
Features
  • Adapter,straight,tube to Boss — FSC 4730
  • Nominal Outside Diameter Tube Accommodated: 0.500 INCHES FIRST END IN
  • Thread Series Designator: UNF ALL ENDS
  • Connection Type: THREADED EXTERNAL BOSS SECOND END
  • Seat Angle: 37.0 DEGREES FIRST END
  • Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-178-8466, 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 Danfoss Power Solutions II, Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-178-8466
Primary Part Number202220-8-8S
Item NameAdapter,straight,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDanfoss Power Solutions II, Llc
StatusACTIVE
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Thread Series DesignatorUNF ALL ENDS
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Seat Angle37.0 DEGREES FIRST END
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
Nominal Thread Size0.750 INCHES ALL ENDS IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection StyleFLARED (TUBE) FIRST END
Thread Class2A ALL ENDS A
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6930-00-346-7188267057 INTERCHANGEABLE
Accelermeter
Cae Usa Inc.
4730-00-477-5072A16447 INTERCHANGEABLE
Cap,tube
Mueller Brass Co.
4730-01-157-7963 INTERCHANGEABLE
Adapter,straight,tube to Boss
4730-01-157-7964202220-4-4S INTERCHANGEABLE
Adapter,straight,tube to Boss
Danfoss Power Solutions II, Llc
4730-01-175-1135 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-175-5443 INTERCHANGEABLE
Adapter,straight,tube to Boss
4730-01-175-7075202220-16-16S INTERCHANGEABLE
Adapter,straight,tube to Boss
Danfoss Power Solutions II, Llc
4730-01-175-7076 INTERCHANGEABLE
Adapter,straight,tube to Boss
4730-01-175-7082 INTERCHANGEABLE
Coupling Half,self-Sealing
4730-01-176-6732 INTERCHANGEABLE
Nut,tube Coupling,reducing
Cross-Reference Index
Part NumberManufacturer
503-4556027 Naval Ship Systems Command (USA)
202220-8-8S PRIMARY Danfoss Power Solutions II, Llc (USA)
202220-8-8S Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
2670-57 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
2670-57 ITEM 85 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
Related Parts
6930-00-346-7188INTERCHANGEABLE
ACCELERMETER
267057
4730-00-477-5072INTERCHANGEABLE
CAP,TUBE
A16447
4730-01-157-7963INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
4730-01-157-7964INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
202220-4-4S
4730-01-175-1135INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-175-5443INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
4730-01-175-7075INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
202220-16-16S
4730-01-175-7076INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
4730-01-175-7082INTERCHANGEABLE
COUPLING HALF,SELF-SEALING
4730-01-176-6732INTERCHANGEABLE
NUT,TUBE COUPLING,REDUCING
4730-01-177-3518INTERCHANGEABLE
COUPLING HALF,SELF-SEALING
5409-S14-6-8
4730-01-178-8461INTERCHANGEABLE
TEE,TUBE

Frequently Asked Questions

What is NSN 4730-01-178-8466?

NSN 4730-01-178-8466 is a Adapter,straight,tube to Boss, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-178-8466?

NSN 4730-01-178-8466 has 5 cross-referenced part numbers: 503-4556027 (Naval Ship Systems Command), 202220-8-8S (Danfoss Power Solutions II, Llc), 202220-8-8S (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 2670-57 (Huntington Ingalls Inc Div Newport News Shipbuilding), 2670-57 ITEM 85 (Huntington Ingalls Inc Div Newport News Shipbuilding).

What NSN replaces 4730-01-178-8466?

There are 12 known substitutes for 4730-01-178-8466: 6930-00-346-7188, 4730-00-477-5072, 4730-01-157-7963 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 202220-8-8S?

Key specifications for 202220-8-8S: Nominal Outside Diameter Tube Accommodated: 0.500 INCHES FIRST END IN; Thread Series Designator: UNF ALL ENDS; Connection Type: THREADED EXTERNAL BOSS SECOND END; Seat Angle: 37.0 DEGREES FIRST END. 10 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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