PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

321878R1Hose,preformed

Komatsu America Corp. · NSN 4720-00-101-1476 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-101-1476 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-101-1476. Primary manufacturer part number: 321878R1.
Features
  • Hose,preformed — FSC 4720
  • Style Designator: SINGLE BEND
  • Second Arm Length: 17.750 INCHES NOMINAL IN
  • First Arm Length: 1.500 INCHES NOMINAL IN
  • Working Length: 18.250 INCHES NOMINAL IN
  • Material: RUBBER POLYISOPRENE NATURAL CLASS NR OVERALL
  • Inside Diameter: 0.625 INCHES NOMINAL IN
  • Wall Thickness: 0.156 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Rubber Polyisoprene Natural Class Nr Overall construction
General Description

The Hose,preformed, cataloged under National Stock Number 4720-00-101-1476, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Komatsu America Corp.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN4720-00-101-1476
Primary Part Number321878R1
Item NameHose,preformed
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerKomatsu America Corp.
StatusACTIVE
Style DesignatorSINGLE BEND
Second Arm Length17.750 INCHES NOMINAL IN
First Arm Length1.500 INCHES NOMINAL IN
Working Length18.250 INCHES NOMINAL IN
MaterialRUBBER POLYISOPRENE NATURAL CLASS NR OVERALL
Inside Diameter0.625 INCHES NOMINAL IN
Wall Thickness0.156 INCHES NOMINAL IN
Bend Radius1.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-01-129-982988564 INTERCHANGEABLE
Washer,key
Cole Hersee Company
4720-01-193-1030321878R1 INTERCHANGEABLE
Hose
Bfm Transport Dynamics Corp
4720-01-267-9420 INTERCHANGEABLE
Hose Assembly,nonmetallic
2815-01-304-0249 INTERCHANGEABLE
Cover,engine
5330-01-530-1140060008639 INTERCHANGEABLE
Seal,fluororing Assembly
Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions
Cross-Reference Index
Part NumberManufacturer
321878R1 Komatsu America Corp. (USA)
D88564 Komatsu America Corporation (USA)
321878R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
321878R1 Komatsu American Intl Co (USA)
88564 Komatsu America Corporation (USA)
Related Parts
5310-01-129-9829INTERCHANGEABLE
WASHER,KEY
88564
4720-01-193-1030INTERCHANGEABLE
HOSE
321878R1
4720-01-267-9420INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
2815-01-304-0249INTERCHANGEABLE
COVER,ENGINE
5330-01-530-1140INTERCHANGEABLE
SEAL,FLUORORING ASSEMBLY
060008639

Frequently Asked Questions

What is NSN 4720-00-101-1476?

NSN 4720-00-101-1476 is a Hose,preformed, manufactured by Komatsu America Corp., classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-00-101-1476?

NSN 4720-00-101-1476 has 5 cross-referenced part numbers: 321878R1 (Komatsu America Corp.), D88564 (Komatsu America Corporation), 321878R1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 321878R1 (Komatsu American Intl Co), 88564 (Komatsu America Corporation).

What NSN replaces 4720-00-101-1476?

There are 5 known substitutes for 4720-00-101-1476: 5310-01-129-9829, 4720-01-193-1030, 4720-01-267-9420 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 321878R1?

Key specifications for 321878R1: Style Designator: SINGLE BEND; Second Arm Length: 17.750 INCHES NOMINAL IN; First Arm Length: 1.500 INCHES NOMINAL IN; Working Length: 18.250 INCHES NOMINAL IN. 8 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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