PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R13Ring,expansion,hose

Halprin Supply Co · NSN 4730-01-170-3570 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-170-3570 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-170-3570. Primary manufacturer part number: R13.
Features
  • Ring,expansion,hose — FSC 4730
  • Outside Diameter: 2.438 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • Thickness: 0.062 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Halprin Supply Co
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy construction
General Description

The Ring,expansion,hose, cataloged under National Stock Number 4730-01-170-3570, 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 Halprin Supply Co. Government technical data includes 3 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-170-3570
Primary Part NumberR13
Item NameRing,expansion,hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHalprin Supply Co
StatusACTIVE
Outside Diameter2.438 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Thickness0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4320-00-106-2144R13 INTERCHANGEABLE
Rotor,pump
Circor Naval Solutions Llc Dba Warren Pumps
3895-00-243-5441 INTERCHANGEABLE
Roller,towed,pneumatic Tired
2910-00-362-9269 INTERCHANGEABLE
Parts Kit,engine Fuel Pump
5331-00-452-1332P1604-187 INTERCHANGEABLE
O-Ring
Newport Scientific, Inc.
2940-00-725-2331323827R91 INTERCHANGEABLE
Filter Element,fluid
Dressta North America Ltd
5325-01-217-2058ST070233AV INTERCHANGEABLE
Ring,retaining
Scott and Fetzer Co the Powerwinch Div
Cross-Reference Index
Part NumberManufacturer
R13 Halprin Supply Co (USA)
Related Parts
4320-00-106-2144INTERCHANGEABLE
ROTOR,PUMP
R13
3895-00-243-5441INTERCHANGEABLE
ROLLER,TOWED,PNEUMATIC TIRED
2910-00-362-9269INTERCHANGEABLE
PARTS KIT,ENGINE FUEL PUMP
5331-00-452-1332INTERCHANGEABLE
O-RING
P1604-187
2940-00-725-2331INTERCHANGEABLE
FILTER ELEMENT,FLUID
323827R91
5325-01-217-2058INTERCHANGEABLE
RING,RETAINING
ST070233AV

Frequently Asked Questions

What is NSN 4730-01-170-3570?

NSN 4730-01-170-3570 is a Ring,expansion,hose, manufactured by Halprin Supply Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-170-3570?

NSN 4730-01-170-3570 has 1 cross-referenced part number: R13 (Halprin Supply Co).

What NSN replaces 4730-01-170-3570?

There are 6 known substitutes for 4730-01-170-3570: 4320-00-106-2144, 3895-00-243-5441, 2910-00-362-9269 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R13?

Key specifications for R13: Outside Diameter: 2.438 INCHES NOMINAL IN; Overall Length: 1.500 INCHES NOMINAL IN; Material: COPPER ALLOY; Thickness: 0.062 INCHES NOMINAL IN. 4 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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