PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

202057-1Adapter,straight,pipe to Boss

Artemis Electronics Llc · NSN 4730-01-375-7239 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-375-7239 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-375-7239. Primary manufacturer part number: 202057-1.
Features
  • Adapter,straight,pipe to Boss — FSC 4730
  • Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END
  • Connection Type: THREADED INTERNAL BOSS SECOND END
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
  • Thread Series Designator: NPT FIRST END
  • Material Document and Classification: QQ-A-2048 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Overall Length: 0.380 INCHES IN
  • Material: ALUMINUM ALLOY 6061 OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy 6061 Overall construction
General Description

The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-01-375-7239, 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 Artemis Electronics Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-375-7239
Primary Part Number202057-1
Item NameAdapter,straight,pipe to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerArtemis Electronics Llc
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) SECOND END
Connection TypeTHREADED INTERNAL BOSS SECOND END
Nominal Thread Size0.500 INCHES FIRST END IN
Thread Series DesignatorNPT FIRST END
Material Document and ClassificationQQ-A-2048 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Overall Length0.380 INCHES IN
MaterialALUMINUM ALLOY 6061 OVERALL
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Thread Class3B SECOND END
Surface Treatment Document and ClassificationMIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A
Connection StylePLAIN (PIPE) FIRST END
Connection StyleGASKET SEAL (BOSS) SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5935-00-758-2802 INTERCHANGEABLE
Keying Pin
5365-01-008-7699202057-1 INTERCHANGEABLE
Shim
Honeywell International Inc. Div Aerospace - Torrance
5310-01-015-6648 INTERCHANGEABLE
Nut,plain,hexagon
4320-01-036-1914 INTERCHANGEABLE
Pump,hydraulic
2520-01-271-5077202057 INTERCHANGEABLE
Lug,shifting
Dana Off Highway Products, Llc
Cross-Reference Index
Part NumberManufacturer
202057 Walker Power Systems, Inc. Dba Tiernay Turbines (USA)
202094-1 Walker Power Systems, Inc. Dba Tiernay Turbines (USA)
202057-1 PRIMARY Artemis Electronics Llc (USA)
202057-1 Walker Power Systems, Inc. Dba Tiernay Turbines (USA)
Related Parts
5935-00-758-2802INTERCHANGEABLE
KEYING PIN
5365-01-008-7699INTERCHANGEABLE
SHIM
202057-1
5310-01-015-6648INTERCHANGEABLE
NUT,PLAIN,HEXAGON
4320-01-036-1914INTERCHANGEABLE
PUMP,HYDRAULIC
2520-01-271-5077INTERCHANGEABLE
LUG,SHIFTING
202057

Frequently Asked Questions

What is NSN 4730-01-375-7239?

NSN 4730-01-375-7239 is a Adapter,straight,pipe to Boss, manufactured by Artemis Electronics Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-375-7239?

NSN 4730-01-375-7239 has 4 cross-referenced part numbers: 202057 (Walker Power Systems, Inc. Dba Tiernay Turbines), 202094-1 (Walker Power Systems, Inc. Dba Tiernay Turbines), 202057-1 (Artemis Electronics Llc), 202057-1 (Walker Power Systems, Inc. Dba Tiernay Turbines).

What NSN replaces 4730-01-375-7239?

There are 5 known substitutes for 4730-01-375-7239: 5935-00-758-2802, 5365-01-008-7699, 5310-01-015-6648 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 202057-1?

Key specifications for 202057-1: Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END; Connection Type: THREADED INTERNAL BOSS SECOND END; Nominal Thread Size: 0.500 INCHES FIRST END IN; Thread Series Designator: NPT FIRST END. 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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