PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11523Adapter,straight,pipe to Tube

Mission Systems Orchard Park Inc · NSN 4730-00-541-0771 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-541-0771 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-541-0771. Primary manufacturer part number: 11523.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Nominal Outside Diameter Tube Accommodated: 0.313 INCHES FIRST END IN
  • Thread Series Designator: NPT SECOND END
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Connection Style: INVERTED FLARE (TUBE) FIRST END
  • Nominal Thread Size: 0.125 INCHES SECOND END IN
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
  • Connection Type: THREADED INTERNAL PIPE SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-541-0771, 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 Mission Systems Orchard Park Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN4730-00-541-0771
Primary Part Number11523
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMission Systems Orchard Park Inc
StatusACTIVE
Nominal Outside Diameter Tube Accommodated0.313 INCHES FIRST END IN
Thread Series DesignatorNPT SECOND END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection StyleINVERTED FLARE (TUBE) FIRST END
Nominal Thread Size0.125 INCHES SECOND END IN
Nominal Thread Size0.500 INCHES FIRST END IN
Connection TypeTHREADED INTERNAL PIPE SECOND END
Seat Angle37.0 DEGREES FIRST END
Thread Class3A FIRST END A
Connection StylePLAIN (PIPE) SECOND END
Nominal Pipe Size Accommodated0.125 INCHES SECOND END IN
Thread Series DesignatorUNF FIRST END
Nominal Overall Length1.891 INCHES IN
MaterialSTEEL COMP 303 OVERALL
Surface TreatmentPASSIVATE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-188-3513SPP72-0003 INTERCHANGEABLE
Plug,pipe
Ward Leonard Ct Llc
1560-00-210-931611523 INTERCHANGEABLE
Fairing Assembly,wi
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
4820-00-223-453911523 INTERCHANGEABLE
Valve,relief,pressure and Temper
G.s. Blodgett, Llc Div Blodgett
5340-00-392-7816SM-B-157288 INTERCHANGEABLE
Plate,mending
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5360-00-485-590311523 INTERCHANGEABLE
Spring,helical,compression
Triumph Thermal Systems - Maryland, Inc.
5935-00-496-9385 INTERCHANGEABLE
Connector,plug,electrical
5935-00-557-4410 INTERCHANGEABLE
Socket,plug-in Electronic Compon
4210-00-573-9232CS4210-SR-0700 INTERCHANGEABLE
Carriage Assembly,compressor
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
4940-00-640-3987 INTERCHANGEABLE
Filling Machine,rotary Brush
4935-00-841-642511523 INTERCHANGEABLE
Board Assembly
Emcore Corporation Div Concord Division
Cross-Reference Index
Part NumberManufacturer
11523 PRIMARY Mission Systems Orchard Park Inc (USA)
11523 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
Related Parts
4730-00-188-3513INTERCHANGEABLE
PLUG,PIPE
SPP72-0003
1560-00-210-9316INTERCHANGEABLE
FAIRING ASSEMBLY,WI
11523
4820-00-223-4539INTERCHANGEABLE
VALVE,RELIEF,PRESSURE AND TEMPER
11523
5340-00-392-7816INTERCHANGEABLE
PLATE,MENDING
SM-B-157288
5360-00-485-5903INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
11523
5935-00-496-9385INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-00-557-4410INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
4210-00-573-9232INTERCHANGEABLE
CARRIAGE ASSEMBLY,COMPRESSOR
CS4210-SR-0700
4940-00-640-3987INTERCHANGEABLE
FILLING MACHINE,ROTARY BRUSH
4935-00-841-6425INTERCHANGEABLE
BOARD ASSEMBLY
11523
9340-00-962-0483INTERCHANGEABLE
GLASS,LAMINATED
10187311
6210-00-982-1595INTERCHANGEABLE
LIGHT,INDICATOR

Frequently Asked Questions

What is NSN 4730-00-541-0771?

NSN 4730-00-541-0771 is a Adapter,straight,pipe to Tube, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-541-0771?

NSN 4730-00-541-0771 has 2 cross-referenced part numbers: 11523 (Mission Systems Orchard Park Inc), 11523 (Ingersoll-Rand Company Dba Ingersoll-Rand).

What NSN replaces 4730-00-541-0771?

There are 12 known substitutes for 4730-00-541-0771: 4730-00-188-3513, 1560-00-210-9316, 4820-00-223-4539 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11523?

Key specifications for 11523: Nominal Outside Diameter Tube Accommodated: 0.313 INCHES FIRST END IN; Thread Series Designator: NPT SECOND END; Connection Type: THREADED EXTERNAL TUBE FIRST END; Connection Style: INVERTED FLARE (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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