PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18164-1Adapter,straight,pipe to Boss

Electro Impulse Laboratory Inc Dba Electro Impulse Inc · NSN 4730-01-186-3541 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-186-3541 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-186-3541. Primary manufacturer part number: 18164-1.
Features
  • Adapter,straight,pipe to Boss — FSC 4730
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Material Document and Classification: QQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Connection Type: THREADED INTERNAL BOSS SECOND END
  • Surface Treatment: CADMIUM OVERALL
  • Material: COPPER ALLOY 360 OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Thread Class: 3B SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 360 Overall construction
General Description

The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-01-186-3541, 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 Electro Impulse Laboratory Inc Dba Electro Impulse Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-186-3541
Primary Part Number18164-1
Item NameAdapter,straight,pipe to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerElectro Impulse Laboratory Inc Dba Electro Impulse Inc
StatusACTIVE
Nominal Thread Size0.750 INCHES ALL ENDS IN
Material Document and ClassificationQQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Connection TypeTHREADED INTERNAL BOSS SECOND END
Surface TreatmentCADMIUM OVERALL
MaterialCOPPER ALLOY 360 OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Class3B SECOND END
Nominal Overall Length2.000 INCHES IN
Connection StylePLAIN (PIPE) FIRST END
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) SECOND END
Connection TypeTHREADED INTERNAL PIPE FIRST END
Thread Series DesignatorNPT FIRST END
Connection StyleGASKET SEAL (BOSS) SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5945-00-329-631571934-02A INTERCHANGEABLE
Solenoid,electrical
Griswold Industries Dba Cla-Val Co
5330-00-343-612018164A INTERCHANGEABLE
Gasket
Brinkley Technology Group Llc Dba Hercules Manufacturing
5305-00-721-5896 INTERCHANGEABLE
Screw,cap,hexagon Head
5940-00-983-6059 INTERCHANGEABLE
Terminal Board
5961-01-134-505318-164 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon Co
5330-01-163-662218164 INTERCHANGEABLE
Seal Ring,metal
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4820-01-280-3935995257 INTERCHANGEABLE
Valve,check
D & D Instruments Inc
6145-01-376-8569181-64 INTERCHANGEABLE
Cable,special Purpose,electrical
Thomas and Betts Corp Electronics Group
4810-01-678-499818164 INTERCHANGEABLE
Sleeve and Slide,directional Con
Cadillac Gage Textron Inc.
Cross-Reference Index
Part NumberManufacturer
18164 Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
18164-1 PRIMARY Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
Related Parts
5945-00-329-6315INTERCHANGEABLE
SOLENOID,ELECTRICAL
71934-02A
5330-00-343-6120INTERCHANGEABLE
GASKET
18164A
5305-00-721-5896INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5940-00-983-6059INTERCHANGEABLE
TERMINAL BOARD
5961-01-134-5053INTERCHANGEABLE
TRANSISTOR
18-164
5330-01-163-6622INTERCHANGEABLE
SEAL RING,METAL
18164
4820-01-280-3935INTERCHANGEABLE
VALVE,CHECK
995257
6145-01-376-8569INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
181-64
4810-01-678-4998INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
18164

Frequently Asked Questions

What is NSN 4730-01-186-3541?

NSN 4730-01-186-3541 is a Adapter,straight,pipe to Boss, manufactured by Electro Impulse Laboratory Inc Dba Electro Impulse Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-186-3541?

NSN 4730-01-186-3541 has 2 cross-referenced part numbers: 18164 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc), 18164-1 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc).

What NSN replaces 4730-01-186-3541?

There are 9 known substitutes for 4730-01-186-3541: 5945-00-329-6315, 5330-00-343-6120, 5305-00-721-5896 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18164-1?

Key specifications for 18164-1: Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Material Document and Classification: QQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Connection Type: THREADED INTERNAL BOSS SECOND END; Surface Treatment: CADMIUM OVERALL. 13 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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