PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

157D1-1357Tube Assembly,metal

Kurz & Root Generator Company, Llc · NSN 4710-00-710-9223 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-710-9223 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-710-9223. Primary manufacturer part number: 157D1-1357.
Features
  • Tube Assembly,metal — FSC 4710
  • End Connection Style: UNTHREADED INTERNAL SECOND END
  • Mating End Quantity: 2 SINGLE END
  • Thread Series Designator: UNF SINGLE END
  • Material: STEEL TUBING
  • Tube Outside Diameter: 0.250 INCHES NOMINAL IN
  • End Connection Style: SWIVEL NUT, FLARED FIRST END
  • Design Form: PREBENT
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Tubing construction
General Description

The Tube Assembly,metal, cataloged under National Stock Number 4710-00-710-9223, is classified within Federal Supply Class 4710 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Kurz & Root Generator Company, Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Cancelled.

Technical Specifications
ParameterValue
NSN4710-00-710-9223
Primary Part Number157D1-1357
Item NameTube Assembly,metal
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerKurz & Root Generator Company, Llc
StatusCANCELLED
End Connection StyleUNTHREADED INTERNAL SECOND END
Mating End Quantity2 SINGLE END
Thread Series DesignatorUNF SINGLE END
MaterialSTEEL TUBING
Tube Outside Diameter0.250 INCHES NOMINAL IN
End Connection StyleSWIVEL NUT, FLARED FIRST END
Design FormPREBENT
Seat Angle in Deg37.0 SINGLE END
Nominal Thread Size0.562 INCHES SINGLE END IN
MaterialSTEEL SINGLE END
Thread DirectionRIGHT-HAND SINGLE END
Wall Thickness0.078 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-057-0764 INTERCHANGEABLE
Transformer,audio Frequency
5133-00-189-9322 INTERCHANGEABLE
Drill,twist
5310-00-281-5398109532 INTERCHANGEABLE
Nut,plain,hexagon
Am General Llc
4520-00-308-0584 INTERCHANGEABLE
Heating Element,electrical,nonim
5895-00-315-034941132 INTERCHANGEABLE
Beam,support,scaffo
L3harris Technologies, Inc Div Space & Airborne Systems
4820-00-336-634441-1-32 INTERCHANGEABLE
Seat,valve
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
4820-00-425-001641132 INTERCHANGEABLE
Piston,valve
Jenny Products, Inc
6645-00-445-814321-2-42021 INTERCHANGEABLE
Fusee
Hamilton Watch Co Inc
5999-00-787-6729W56 INTERCHANGEABLE
Heater,thermal Release
Ward Leonard Ct Llc
5940-00-827-428442021 INTERCHANGEABLE
Terminal,quick Disconnect
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
157D1-1357 PRIMARY Kurz & Root Generator Company, Llc (USA)
41132 Napco International Llc Dba Napco International Inc (USA)
42021 Napco International Llc Dba Napco International Inc (USA)
Related Parts
5950-00-057-0764INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5133-00-189-9322INTERCHANGEABLE
DRILL,TWIST
5310-00-281-5398INTERCHANGEABLE
NUT,PLAIN,HEXAGON
109532
4520-00-308-0584INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
5895-00-315-0349INTERCHANGEABLE
BEAM,SUPPORT,SCAFFO
41132
4820-00-336-6344INTERCHANGEABLE
SEAT,VALVE
41-1-32
4820-00-425-0016INTERCHANGEABLE
PISTON,VALVE
41132
6645-00-445-8143INTERCHANGEABLE
FUSEE
21-2-42021
5999-00-787-6729INTERCHANGEABLE
HEATER,THERMAL RELEASE
W56
5940-00-827-4284INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
42021
4720-00-893-4339INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4330-00-900-8898INTERCHANGEABLE
FILTER,FLUID
42021

Frequently Asked Questions

What is NSN 4710-00-710-9223?

NSN 4710-00-710-9223 is a Tube Assembly,metal, manufactured by Kurz & Root Generator Company, Llc, classified under FSC 4710 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4710-00-710-9223?

NSN 4710-00-710-9223 has 3 cross-referenced part numbers: 157D1-1357 (Kurz & Root Generator Company, Llc), 41132 (Napco International Llc Dba Napco International Inc), 42021 (Napco International Llc Dba Napco International Inc).

What NSN replaces 4710-00-710-9223?

There are 12 known substitutes for 4710-00-710-9223: 5950-00-057-0764, 5133-00-189-9322, 5310-00-281-5398 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 157D1-1357?

Key specifications for 157D1-1357: End Connection Style: UNTHREADED INTERNAL SECOND END; Mating End Quantity: 2 SINGLE END; Thread Series Designator: UNF SINGLE END; Material: STEEL TUBING. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4710-00-710-9223 still in active supply?

NSN 4710-00-710-9223 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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