PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1643701Hose Assembly,nonmetallic

Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc · NSN 4720-01-538-3545 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-538-3545 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-538-3545. Primary manufacturer part number: 1643701.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • Measuring Method and Length: 63.000 INCHES NOMINAL OVERALL IN
  • Operating Pressure: 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
  • 2 verified cross-references
  • Primary manufacturer: Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-538-3545, 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 Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-538-3545
Primary Part Number1643701
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerCrysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc
StatusACTIVE
Measuring Method and Length63.000 INCHES NOMINAL OVERALL IN
Operating Pressure2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-01-025-7198403844 INTERCHANGEABLE
Reactor
Aimtron Systems, Llc
5360-01-028-0601403844 INTERCHANGEABLE
Spring
Telemechanics Inc
Cross-Reference Index
Part NumberManufacturer
1643701 PRIMARY Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc (USA)
403844 Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc (USA)
Related Parts
5950-01-025-7198INTERCHANGEABLE
REACTOR
403844
5360-01-028-0601INTERCHANGEABLE
SPRING
403844

Frequently Asked Questions

What is NSN 4720-01-538-3545?

NSN 4720-01-538-3545 is a Hose Assembly,nonmetallic, manufactured by Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-538-3545?

NSN 4720-01-538-3545 has 2 cross-referenced part numbers: 1643701 (Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc), 403844 (Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc).

What NSN replaces 4720-01-538-3545?

There are 2 known substitutes for 4720-01-538-3545: 5950-01-025-7198, 5360-01-028-0601. Verify interchangeability with system specifications before substitution.

What are the specifications of 1643701?

Key specifications for 1643701: Part Name Assigned by Controlling Agency: HOSE 1 5/16 JIC X 63 SF/SF 2500 90; Measuring Method and Length: 63.000 INCHES NOMINAL OVERALL IN; Operating Pressure: 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS; End Item Identification: 3990-01-443-8024. 5 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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