PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6168Adapter,straight,pipe to Gas Fit

Avox Systems Inc Dba Avox Systems Inc · NSN 4730-00-572-4655 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-572-4655 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-572-4655. Primary manufacturer part number: 6168.
Features
  • Adapter,straight,pipe to Gas Fit — FSC 4730
  • Thread Series Designator: NPT FIRST END
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Connection Style: PLAIN (PIPE) FIRST END
  • Connection Style: FLARED (GAS FITTING) SECOND END
  • Nominal Thread Size: 0.825 INCHES SECOND END IN
  • Nominal Overall Length: 1.500 INCHES IN
  • Seat Angle: 45.0 DEGREES SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,pipe to Gas Fit, cataloged under National Stock Number 4730-00-572-4655, 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 Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-572-4655
Primary Part Number6168
Item NameAdapter,straight,pipe to Gas Fit
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
Thread Series DesignatorNPT FIRST END
Connection TypeTHREADED INTERNAL PIPE FIRST END
Connection StylePLAIN (PIPE) FIRST END
Connection StyleFLARED (GAS FITTING) SECOND END
Nominal Thread Size0.825 INCHES SECOND END IN
Nominal Overall Length1.500 INCHES IN
Seat Angle45.0 DEGREES SECOND END
Thread Series DesignatorNGO SECOND END
Surface TreatmentCADMIUM OVERALL
Nominal Thread Size0.250 INCHES FIRST END IN
Connection TypeTHREADED INTERNAL GAS FITTING SECOND END
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-158-618986FT82 INTERCHANGEABLE
Bearing,ball,thrust
Oshkosh Defense Llc
4510-00-174-0477 INTERCHANGEABLE
Stopper,waste Drain
4820-00-375-79824824-935039PC16 INTERCHANGEABLE
Stem,fluid Valve
Naval Ship Systems Command
3110-00-554-379025Z421 INTERCHANGEABLE
Bearing,ball,thrust
Cummins Inc.
5910-00-827-3364150D476X0S2 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Sprague Electric Co World Hqs
3110-01-191-22376168 INTERCHANGEABLE
Ring,bearing,inner
Pdi Ground Support Systems, Inc.
5120-01-335-9089 INTERCHANGEABLE
Socket,socket Wrench
5310-01-659-498261-68 INTERCHANGEABLE
Washer,flat
Dema Engineering Co
Cross-Reference Index
Part NumberManufacturer
6168 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
3110-00-158-6189INTERCHANGEABLE
BEARING,BALL,THRUST
86FT82
4510-00-174-0477INTERCHANGEABLE
STOPPER,WASTE DRAIN
4820-00-375-7982INTERCHANGEABLE
STEM,FLUID VALVE
4824-935039PC16
3110-00-554-3790INTERCHANGEABLE
BEARING,BALL,THRUST
25Z421
5910-00-827-3364INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
150D476X0S2
3110-01-191-2237INTERCHANGEABLE
RING,BEARING,INNER
6168
5120-01-335-9089INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5310-01-659-4982INTERCHANGEABLE
WASHER,FLAT
61-68

Frequently Asked Questions

What is NSN 4730-00-572-4655?

NSN 4730-00-572-4655 is a Adapter,straight,pipe to Gas Fit, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-572-4655?

NSN 4730-00-572-4655 has 1 cross-referenced part number: 6168 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 4730-00-572-4655?

There are 8 known substitutes for 4730-00-572-4655: 3110-00-158-6189, 4510-00-174-0477, 4820-00-375-7982 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6168?

Key specifications for 6168: Thread Series Designator: NPT FIRST END; Connection Type: THREADED INTERNAL PIPE FIRST END; Connection Style: PLAIN (PIPE) FIRST END; Connection Style: FLARED (GAS FITTING) SECOND END. 12 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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