PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6304516-4Hose,air Duct

Appleton Marine Inc · NSN 4720-01-516-0855 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-516-0855 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-516-0855. Primary manufacturer part number: 6304516-4.
Features
  • Hose,air Duct — FSC 4720
  • 3 verified cross-references
  • Primary manufacturer: Appleton Marine Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose,air Duct, cataloged under National Stock Number 4720-01-516-0855, 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 Appleton Marine Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHose,air Duct
FSC / FSG4720 — No Item Name Available (FSG 47)
ManufacturersAppleton Marine Inc (CAGE 70433); Flexaust Inc (CAGE 81518); Naval Facilities Engineering Command (CAGE 80091)
Technical Specifications
ParameterValue
NSN4720-01-516-0855
Primary Part Number6304516-4
Item NameHose,air Duct
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerAppleton Marine Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2610-00-944-700212504894 INTERCHANGEABLE
Tire,pneumatic,vehicular
U S Army Tank Automotive Command Amsta-Im-Mm
5977-01-330-5983630516 INTERCHANGEABLE
Holder,electrical Contact Brush
Naval Sea Systems Command
5970-01-378-678710-0020-00 INTERCHANGEABLE
Insulator,bushing
Viavi Solutions Llc Div Lenexa
6640-01-437-0916 INTERCHANGEABLE
Pipet,micro
4820-01-516-4345 INTERCHANGEABLE
Valve,ball
2990-01-516-7356RM1033MA INTERCHANGEABLE
Exhaust System,engine
Riker Products Inc
Cross-Reference Index
Part NumberManufacturer
6304516-4 PRIMARY Appleton Marine Inc (USA)
10002000 Flexaust Inc (USA)
6304516 Naval Facilities Engineering Command (USA)
Related Parts
2610-00-944-7002INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
12504894
5977-01-330-5983INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
630516
5970-01-378-6787INTERCHANGEABLE
INSULATOR,BUSHING
10-0020-00
6640-01-437-0916INTERCHANGEABLE
PIPET,MICRO
4820-01-516-4345INTERCHANGEABLE
VALVE,BALL
2990-01-516-7356INTERCHANGEABLE
EXHAUST SYSTEM,ENGINE
RM1033MA

Frequently Asked Questions

What is NSN 4720-01-516-0855?

NSN 4720-01-516-0855 is a Hose,air Duct, manufactured by Appleton Marine Inc, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-516-0855?

NSN 4720-01-516-0855 has 3 cross-referenced part numbers: 6304516-4 (Appleton Marine Inc), 10002000 (Flexaust Inc), 6304516 (Naval Facilities Engineering Command).

What NSN replaces 4720-01-516-0855?

There are 6 known substitutes for 4720-01-516-0855: 2610-00-944-7002, 5977-01-330-5983, 5970-01-378-6787 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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