PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

608-4685638ITEM23Hose Assembly,nonmetallic

Naval Ship Systems Command · NSN 4720-01-091-1377 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-091-1377 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-091-1377. Primary manufacturer part number: 608-4685638ITEM23.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • Thread Direction: RIGHT-HAND FIRST END
  • Connection Style: PLAIN OPTIONAL END FIRST END
  • Hydrostatic Test Pressure: 600.0 POUNDS PER SQUARE INCH LBS
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
  • Layer Composition and Location: 1ST LAYER WOVEN FABRIC AND 1ST LAYER BRAIDED SYNTHETIC CORD OR 1ST LAYER BRAIDED COTTON CORD OR OUTER LAYER MOLDED RUBBER
  • Media for Which Designed: WATER, FRESH SINGLE RESPONSE
  • Outside Diameter: 0.610 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-091-1377, 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 Naval Ship Systems Command. Government technical data includes 14 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: Active.

Technical Specifications
ParameterValue
NSN4720-01-091-1377
Primary Part Number608-4685638ITEM23
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Thread DirectionRIGHT-HAND FIRST END
Connection StylePLAIN OPTIONAL END FIRST END
Hydrostatic Test Pressure600.0 POUNDS PER SQUARE INCH LBS
Nominal Thread Size0.500 INCHES FIRST END IN
Layer Composition and Location1ST LAYER WOVEN FABRIC AND 1ST LAYER BRAIDED SYNTHETIC CORD OR 1ST LAYER BRAIDED COTTON CORD OR OUTER LAYER MOLDED RUBBER
Media for Which DesignedWATER, FRESH SINGLE RESPONSE
Outside Diameter0.610 INCHES NOMINAL IN
Thread Series DesignatorNPSH FIRST END
End Connection DesignSTRAIGHT FIRST END
Connection TypeTHREADED INTERNAL PIPE FIRST END
Inside Diameter0.500 INCHES NOMINAL IN
Inside Surface ConditionSMOOTH
Measuring Method and Length300.000 INCHES NOMINAL EXCLUDING END FITTINGS IN
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-01-091-2822608-4685638ITEM22 INTERCHANGEABLE
Hose Assembly,nonmetallic
Naval Ship Systems Command
4720-01-139-16684677473-00B1 INTERCHANGEABLE
Hose Assembly,nonmetallic
Electric Boat Corporation Div General Dynamics Electric Boat
4720-01-139-1669 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-01-139-16704677473-000D INTERCHANGEABLE
Hose Assembly,nonmetallic
Echelon Supply and Service, Inc.
4720-01-139-16714677473-000J-M INTERCHANGEABLE
Hose Assembly,nonmetallic
Electric Boat Corporation Div General Dynamics Electric Boat
4720-01-139-16724677473-000J INTERCHANGEABLE
Hose Assembly,nonmetallic
Electric Boat Corporation Div General Dynamics Electric Boat
4720-01-139-16734677473-000M-M INTERCHANGEABLE
Hose Assembly,nonmetallic
Electric Boat Corporation Div General Dynamics Electric Boat
4720-01-139-16754677473-00B3 INTERCHANGEABLE
Hose Assembly,nonmetallic
Electric Boat Corporation Div General Dynamics Electric Boat
4720-01-139-167687917-3250 ITEM 46 INTERCHANGEABLE
Hose Assembly,nonmetallic
Electric Boat Corporation Div General Dynamics Electric Boat
4720-01-139-167746757970-000A INTERCHANGEABLE
Hose Assembly,nonmetallic
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
608-4685638ITEM23 PRIMARY Naval Ship Systems Command (USA)
608-4685638 Naval Ship Systems Command (USA)
879173250-0001 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
4720-01-091-2822INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
608-4685638ITEM22
4720-01-139-1668INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4677473-00B1
4720-01-139-1669INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-139-1670INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4677473-000D
4720-01-139-1671INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4677473-000J-M
4720-01-139-1672INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4677473-000J
4720-01-139-1673INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4677473-000M-M
4720-01-139-1675INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4677473-00B3
4720-01-139-1676INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
87917-3250 ITEM 46
4720-01-139-1677INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
46757970-000A
4720-01-139-1678INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4685638-0048
4720-01-161-0026INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
608-4685638-0050

Frequently Asked Questions

What is NSN 4720-01-091-1377?

NSN 4720-01-091-1377 is a Hose Assembly,nonmetallic, manufactured by Naval Ship Systems Command, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-091-1377?

NSN 4720-01-091-1377 has 3 cross-referenced part numbers: 608-4685638ITEM23 (Naval Ship Systems Command), 608-4685638 (Naval Ship Systems Command), 879173250-0001 (Electric Boat Corporation Div General Dynamics Electric Boat).

What NSN replaces 4720-01-091-1377?

There are 12 known substitutes for 4720-01-091-1377: 4720-01-091-2822, 4720-01-139-1668, 4720-01-139-1669 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 608-4685638ITEM23?

Key specifications for 608-4685638ITEM23: Thread Direction: RIGHT-HAND FIRST END; Connection Style: PLAIN OPTIONAL END FIRST END; Hydrostatic Test Pressure: 600.0 POUNDS PER SQUARE INCH LBS; Nominal Thread Size: 0.500 INCHES FIRST END IN. 14 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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