PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1376A10SF630Hose,air Duct

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 4720-00-675-6635 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-675-6635 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-675-6635. Primary manufacturer part number: NAS1376A10SF630.
Features
  • Hose,air Duct — FSC 4720
  • Inside Diameter: 2.500 INCHES NOMINAL FIRST END IN
  • Minimum Inside Bending Radius: 2.500 INCHES IN
  • Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED
  • Measuring Method and Length: 160.500 INCHES NOMINAL OVERALL IN
  • Operating Pressure: 20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Specification/standard Data: 80205-NAS1370 THRU 1379 GOVERNMENT STANDARD
  • End Overall Length: 1.500 INCHES NOMINAL FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose,air Duct, cataloged under National Stock Number 4720-00-675-6635, 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 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN4720-00-675-6635
Primary Part NumberNAS1376A10SF630
Item NameHose,air Duct
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Inside Diameter2.500 INCHES NOMINAL FIRST END IN
Minimum Inside Bending Radius2.500 INCHES IN
Style DesignatorHELICALLY WOUND CONTINOUS WIRE SUPPORTED
Measuring Method and Length160.500 INCHES NOMINAL OVERALL IN
Operating Pressure20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Specification/standard Data80205-NAS1370 THRU 1379 GOVERNMENT STANDARD
End Overall Length1.500 INCHES NOMINAL FIRST END IN
Connection StyleROUND FIRST END
Cross-Sectional Shape StyleROUND
Wall Thickness0.050 INCHES NOMINAL IN
Connection TypeSOFT FIRST END
End Inside Diameter2.500 INCHES NOMINAL FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-00-217-68153-1664-52-76-6 INTERCHANGEABLE
Hose,air Duct
Arrowhead Products Corp
4720-00-217-68163-1664-8-68-6 INTERCHANGEABLE
Hose,air Duct
Arrowhead Products Corp
4720-00-217-68173-1664-14-216-6 INTERCHANGEABLE
Hose,air Duct
Arrowhead Products Corp
4720-00-217-68183-1664-6-20-6 INTERCHANGEABLE
Hose,air Duct
Arrowhead Products Corp
4720-00-217-68193-1664-14-96-6 INTERCHANGEABLE
Hose,air Duct
Arrowhead Products Corp
4720-00-217-68213-1664-22-96-6 INTERCHANGEABLE
Hose,air Duct
Arrowhead Products Corp
4720-00-217-68243-1664-48-76-6 INTERCHANGEABLE
Hose,air Duct
Arrowhead Products Corp
4720-00-217-68273-1664-8-52-6 INTERCHANGEABLE
Hose,air Duct
Arrowhead Products Corp
4720-00-405-68228B783057-105 INTERCHANGEABLE
Hose,air Duct
Hiller Aircraft Corporation
4720-00-516-32963-1664-20-374-6 INTERCHANGEABLE
Hose,air Duct
Arrowhead Products Corp
Cross-Reference Index
Part NumberManufacturer
NAS1376A10SF630 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS1370 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
8B783057-93 PRIMARY Hiller Aircraft Corporation (USA)
NAS1369 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
8B783057 Hiller Aircraft Corporation (USA)
Related Parts
4720-00-217-6815INTERCHANGEABLE
HOSE,AIR DUCT
3-1664-52-76-6
4720-00-217-6816INTERCHANGEABLE
HOSE,AIR DUCT
3-1664-8-68-6
4720-00-217-6817INTERCHANGEABLE
HOSE,AIR DUCT
3-1664-14-216-6
4720-00-217-6818INTERCHANGEABLE
HOSE,AIR DUCT
3-1664-6-20-6
4720-00-217-6819INTERCHANGEABLE
HOSE,AIR DUCT
3-1664-14-96-6
4720-00-217-6821INTERCHANGEABLE
HOSE,AIR DUCT
3-1664-22-96-6
4720-00-217-6824INTERCHANGEABLE
HOSE,AIR DUCT
3-1664-48-76-6
4720-00-217-6827INTERCHANGEABLE
HOSE,AIR DUCT
3-1664-8-52-6
4720-00-405-6822INTERCHANGEABLE
HOSE,AIR DUCT
8B783057-105
4720-00-516-3296INTERCHANGEABLE
HOSE,AIR DUCT
3-1664-20-374-6
4720-00-541-1542INTERCHANGEABLE
HOSE,AIR DUCT
3-1664-20-33-6
4720-00-554-9615INTERCHANGEABLE
HOSE,AIR DUCT
3-1664-8-268-6

Frequently Asked Questions

What is NSN 4720-00-675-6635?

NSN 4720-00-675-6635 is a Hose,air Duct, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-00-675-6635?

NSN 4720-00-675-6635 has 5 cross-referenced part numbers: NAS1376A10SF630 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS1370 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 8B783057-93 (Hiller Aircraft Corporation), NAS1369 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 8B783057 (Hiller Aircraft Corporation).

What NSN replaces 4720-00-675-6635?

There are 12 known substitutes for 4720-00-675-6635: 4720-00-217-6815, 4720-00-217-6816, 4720-00-217-6817 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1376A10SF630?

Key specifications for NAS1376A10SF630: Inside Diameter: 2.500 INCHES NOMINAL FIRST END IN; Minimum Inside Bending Radius: 2.500 INCHES IN; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED; Measuring Method and Length: 160.500 INCHES NOMINAL OVERALL IN. 12 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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