PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

87917-3250 ITEM 46Hose Assembly,nonmetallic

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 4720-01-139-1676 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-139-1676 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-139-1676. Primary manufacturer part number: 87917-3250 ITEM 46.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • Inside Surface Condition: SMOOTH
  • Measuring Method and Length: 121.000 INCHES NOMINAL OVERALL IN
  • Connection Style: SWIVEL NUT FLARE FIRST END
  • Connection Type: THREADED INTERNAL TUBE FIRST END
  • Layer Composition and Location: OUTER LAYER BRAIDED STEEL WIRE
  • End Connection Design: STRAIGHT FIRST END
  • Seat Angle: 37.0 DEGREES FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-139-1676, 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 Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN4720-01-139-1676
Primary Part Number87917-3250 ITEM 46
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Inside Surface ConditionSMOOTH
Measuring Method and Length121.000 INCHES NOMINAL OVERALL IN
Connection StyleSWIVEL NUT FLARE FIRST END
Connection TypeTHREADED INTERNAL TUBE FIRST END
Layer Composition and LocationOUTER LAYER BRAIDED STEEL WIRE
End Connection DesignSTRAIGHT FIRST END
Seat Angle37.0 DEGREES FIRST END
Cross-Sectional Shape StyleROUND
Outside Diameter0.530 INCHES NOMINAL IN
Exterior ColorNATURAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-01-091-1377608-4685638ITEM23 INTERCHANGEABLE
Hose Assembly,nonmetallic
Naval Ship Systems Command
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
4720-01-139-167746757970-000A INTERCHANGEABLE
Hose Assembly,nonmetallic
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
608-4685638 ITEM 46 Naval Ship Systems Command (USA)
87917-3250 ITEM 46 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
4677473-000P Electric Boat Corporation Div General Dynamics Electric Boat (USA)
FG1713HHH1200 Danfoss Power Solutions II, Llc (USA)
608-4685638 Naval Ship Systems Command (USA)
Related Parts
4720-01-091-1377INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
608-4685638ITEM23
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
4720-01-139-1677INTERCHANGEABLE
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 4720-01-139-1676?

NSN 4720-01-139-1676 is a Hose Assembly,nonmetallic, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-139-1676?

NSN 4720-01-139-1676 has 5 cross-referenced part numbers: 608-4685638 ITEM 46 (Naval Ship Systems Command), 87917-3250 ITEM 46 (Electric Boat Corporation Div General Dynamics Electric Boat), 4677473-000P (Electric Boat Corporation Div General Dynamics Electric Boat), FG1713HHH1200 (Danfoss Power Solutions II, Llc), 608-4685638 (Naval Ship Systems Command).

What NSN replaces 4720-01-139-1676?

There are 12 known substitutes for 4720-01-139-1676: 4720-01-091-1377, 4720-01-091-2822, 4720-01-139-1668 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 87917-3250 ITEM 46?

Key specifications for 87917-3250 ITEM 46: Inside Surface Condition: SMOOTH; Measuring Method and Length: 121.000 INCHES NOMINAL OVERALL IN; Connection Style: SWIVEL NUT FLARE FIRST END; Connection Type: THREADED INTERNAL TUBE FIRST END. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com