PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2159Adapter,straight,pipe to Tube

Conax Florida Corporation · NSN 4730-00-826-6176 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-826-6176 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-826-6176. Primary manufacturer part number: 2159.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Seat Angle: 12.0 DEGREES FIRST END
  • Thread Class: 3A FIRST END A
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Connection Style: PLAIN (PIPE) SECOND END
  • Nominal Overall Length: 1.062 INCHES IN
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-826-6176, 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 Conax Florida Corporation. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 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
NSN4730-00-826-6176
Primary Part Number2159
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerConax Florida Corporation
StatusACTIVE
Seat Angle12.0 DEGREES FIRST END
Thread Class3A FIRST END A
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection StylePLAIN (PIPE) SECOND END
Nominal Overall Length1.062 INCHES IN
Surface TreatmentPASSIVATE OVERALL
Nominal Thread Size0.125 INCHES SECOND END IN
Nominal Pipe Size Accommodated0.125 INCHES SECOND END IN
Thread Series DesignatorUNF FIRST END
MaterialSTEEL CORROSION RESISTING OVERALL
Nominal Thread Size0.500 INCHES FIRST END IN
Nominal Outside Diameter Tube Accommodated0.312 INCHES FIRST END IN
Connection StyleFLARELESS (TUBE) FIRST END
Thread Series DesignatorANPT SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-033-2577 INTERCHANGEABLE
Pump,reciprocating
3110-00-158-844967985 ASSY 90032 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
4730-00-203-9725AS896F0402 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
6645-00-557-0320W33-7510-10 INTERCHANGEABLE
Clock,panel
Wakmann Watch Company Inc
5815-00-755-7343 INTERCHANGEABLE
Teletypewriter Subassembly
5910-00-771-34092159 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Sprague Electric Co World Hqs
4730-00-811-9313AS896D0602 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
1680-00-838-097710-12833-1 INTERCHANGEABLE
Container,rain Solution
Howell Laboratories Inc Dba Howell Laboratories Inc
5310-00-995-563110015465-015 INTERCHANGEABLE
Washer,shouldered
Us Army Aviation and Missile Command
5915-01-088-6166241-0703-010 INTERCHANGEABLE
Filter,low Pass
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
2159 Conax Florida Corporation (USA)
ER816J5 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
4R816J5 United Supply Co Inc (USA)
ER816J5 Dana Corp Weatherhead Div (USA)
ER816-5J Danfoss Power Solutions II, Llc (USA)
ER816J5 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
AS896 Sae International Dba Sae International (USA)
2159 American Safety Flight Systems Inc (USA)
ER816J5 Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn (USA)
ER816J5 Danfoss Power Solutions II, Llc (USA)
ER816-5J Dana Corp Weatherhead Div (USA)
AS896 Society of Automotive Engineers Inc (USA)
Related Parts
4320-00-033-2577INTERCHANGEABLE
PUMP,RECIPROCATING
3110-00-158-8449INTERCHANGEABLE
BEARING,ROLLER,TAPERED
67985 ASSY 90032
4730-00-203-9725INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
AS896F0402
6645-00-557-0320INTERCHANGEABLE
CLOCK,PANEL
W33-7510-10
5815-00-755-7343INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
5910-00-771-3409INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
2159
4730-00-811-9313INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
AS896D0602
1680-00-838-0977INTERCHANGEABLE
CONTAINER,RAIN SOLUTION
10-12833-1
5310-00-995-5631INTERCHANGEABLE
WASHER,SHOULDERED
10015465-015
5915-01-088-6166INTERCHANGEABLE
FILTER,LOW PASS
241-0703-010
4730-01-219-2013INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
AS896J0804
4730-01-219-2014INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
AS896J1616

Frequently Asked Questions

What is NSN 4730-00-826-6176?

NSN 4730-00-826-6176 is a Adapter,straight,pipe to Tube, manufactured by Conax Florida Corporation, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-826-6176?

NSN 4730-00-826-6176 has 12 cross-referenced part numbers: 2159 (Conax Florida Corporation), ER816J5 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), 4R816J5 (United Supply Co Inc), ER816J5 (Dana Corp Weatherhead Div), ER816-5J (Danfoss Power Solutions II, Llc) and 7 more.

What NSN replaces 4730-00-826-6176?

There are 12 known substitutes for 4730-00-826-6176: 4320-00-033-2577, 3110-00-158-8449, 4730-00-203-9725 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2159?

Key specifications for 2159: Seat Angle: 12.0 DEGREES FIRST END; Thread Class: 3A FIRST END A; Connection Type: THREADED EXTERNAL PIPE SECOND END; Connection Type: THREADED EXTERNAL TUBE FIRST END. 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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