PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

182-221Adapter,straight,pipe to Tube

Dresser Industries Inc Leroi Div · NSN 4730-00-289-3258 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-289-3258 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-289-3258. Primary manufacturer part number: 182-221.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Material Document and Classification: SAE J461A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Thread Series Designator: UNF FIRST END
  • Thread Series Designator: NPT SECOND END
  • Thread Class: 3A FIRST END A
  • Nominal Thread Size: 0.125 INCHES SECOND END IN
  • Nominal Thread Size: 0.375 INCHES FIRST END IN
  • Connection Style: COMPRESSION (TUBE) FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 360 or Copper Alloy 377 Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-289-3258, 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 Dresser Industries Inc Leroi Div. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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
NSN4730-00-289-3258
Primary Part Number182-221
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusCANCELLED
Material Document and ClassificationSAE J461A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorUNF FIRST END
Thread Series DesignatorNPT SECOND END
Thread Class3A FIRST END A
Nominal Thread Size0.125 INCHES SECOND END IN
Nominal Thread Size0.375 INCHES FIRST END IN
Connection StyleCOMPRESSION (TUBE) FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Connection StylePLAIN (PIPE) SECOND END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
MaterialCOPPER ALLOY 360 OR COPPER ALLOY 377 OVERALL
Furnished Items and Quantity1 FLARED SLEEVE AND 1 SHORT COUPLING NUT
Nominal Overall Length0.813 INCHES IN
Seat Nominal Radius0.062 INCHES FIRST END IN
Nominal Outside Diameter Tube Accommodated0.188 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2810-00-118-525140176 INTERCHANGEABLE
Screen Assembly,carburetor
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
9540-00-261-5145 INTERCHANGEABLE
Beam,structural
9540-00-555-0815 INTERCHANGEABLE
Beam,structural
4820-01-091-286150199-02 INTERCHANGEABLE
Thermostatic Element,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5975-01-097-4699 INTERCHANGEABLE
Panel,blank
4820-01-148-942340176-105 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-199-6652302-02 INTERCHANGEABLE
Packing Chamber,valves
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-203-894550158-03 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-217-999040176-109 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5998-01-221-064711461266 INTERCHANGEABLE
Printed Wiring Board
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
68FL3-16X1-8 Imperial (USA)
A11579 Dcm Manufacturing, Inc. (USA)
7954671 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
73334-2 Little Giant Crane and Shovel Inc (USA)
40176 John Deer Consumer Products Inc (USA)
182-221 PRIMARY Dresser Industries Inc Leroi Div (USA)
Related Parts
2810-00-118-5251INTERCHANGEABLE
SCREEN ASSEMBLY,CARBURETOR
40176
9540-00-261-5145INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-555-0815INTERCHANGEABLE
BEAM,STRUCTURAL
4820-01-091-2861INTERCHANGEABLE
THERMOSTATIC ELEMENT,VALVE
50199-02
5975-01-097-4699INTERCHANGEABLE
PANEL,BLANK
4820-01-148-9423INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40176-105
4820-01-199-6652INTERCHANGEABLE
PACKING CHAMBER,VALVES
302-02
4820-01-203-8945INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
50158-03
4820-01-217-9990INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40176-109
5998-01-221-0647INTERCHANGEABLE
PRINTED WIRING BOARD
11461266
3020-01-267-8248INTERCHANGEABLE
GEAR,SPUR
5342-01-285-3917INTERCHANGEABLE
CLAMP,CLOSURE
40176

Frequently Asked Questions

What is NSN 4730-00-289-3258?

NSN 4730-00-289-3258 is a Adapter,straight,pipe to Tube, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-289-3258?

NSN 4730-00-289-3258 has 6 cross-referenced part numbers: 68FL3-16X1-8 (Imperial), A11579 (Dcm Manufacturing, Inc.), 7954671 (U S Army Tank Automotive Command Amsta-Im-Mm), 73334-2 (Little Giant Crane and Shovel Inc), 40176 (John Deer Consumer Products Inc) and 1 more.

What NSN replaces 4730-00-289-3258?

There are 12 known substitutes for 4730-00-289-3258: 2810-00-118-5251, 9540-00-261-5145, 9540-00-555-0815 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 182-221?

Key specifications for 182-221: Material Document and Classification: SAE J461A ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Series Designator: UNF FIRST END; Thread Series Designator: NPT SECOND END; Thread Class: 3A FIRST END A. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-289-3258 still in active supply?

NSN 4730-00-289-3258 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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