PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1924-66Clamp,hose

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 4730-00-277-9387 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-277-9387 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-277-9387. Primary manufacturer part number: NAS1924-66.
Features
  • Clamp,hose — FSC 4730
  • Inside Diameter: 1.625 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN
  • Fastening Device Type: THUMB HEAD SCREW
  • Material: STEEL CORROSION RESISTING BAND
  • Surface Treatment: PASSIVATE BAND
  • Material: STEEL OR STEEL CORROSION RESISTING THUMBSCREW
  • Style Designator: BAND
  • 14 verified cross-references
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Band construction
General Description

The Clamp,hose, cataloged under National Stock Number 4730-00-277-9387, is classified within Federal Supply Class 4730 (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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-277-9387
Primary Part NumberNAS1924-66
Item NameClamp,hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Inside Diameter1.625 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN
Fastening Device TypeTHUMB HEAD SCREW
MaterialSTEEL CORROSION RESISTING BAND
Surface TreatmentPASSIVATE BAND
MaterialSTEEL OR STEEL CORROSION RESISTING THUMBSCREW
Style DesignatorBAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4730-00-278-9104 INTERCHANGEABLE
Clamp,hose
4730-00-278-9109 INTERCHANGEABLE
Clamp,hose
4730-00-555-1352NAS1924-38 INTERCHANGEABLE
Clamp,hose
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
NAS1924-66 Leonardo Spa Helicopters Division - Production Site (ITA)
AN737TW6C Aeronautical Standards Group Dept of Navy and Air Force (USA)
NAS1924-66 Leonardo Spa Aeronautics Division - Pomigliano D'arco Site (ITA)
ST9M540-66 The Boeing Company Div Defense (USA)
4730PL1015491 Jednolity Indeks Materialowy - Uniform Material Index (POL)
AN737TW66 Wittek Companies Intl Inc (USA)
AN737RM66 Aeronautical Standards Group Dept of Navy and Air Force (USA)
MILC6985TYPEB Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
NAS1924-66 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
WWD66 Wittek Companies Intl Inc (USA)
AN737TW66 Norma Pennsylvania Inc. Div Breeze Industrial Products (USA)
AN737TW66 Aeronautical Standards Group Dept of Navy and Air Force (USA)
AN737TW66 Breeze-Eastern Llc (USA)
AN73TTW66 Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
4730-00-278-9104INTERCHANGEABLE
CLAMP,HOSE
4730-00-278-9109INTERCHANGEABLE
CLAMP,HOSE
4730-00-555-1352INTERCHANGEABLE
CLAMP,HOSE
NAS1924-38

Frequently Asked Questions

What is NSN 4730-00-277-9387?

NSN 4730-00-277-9387 is a Clamp,hose, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-277-9387?

NSN 4730-00-277-9387 has 14 cross-referenced part numbers: NAS1924-66 (Leonardo Spa Helicopters Division - Production Site), AN737TW6C (Aeronautical Standards Group Dept of Navy and Air Force), NAS1924-66 (Leonardo Spa Aeronautics Division - Pomigliano D'arco Site), ST9M540-66 (The Boeing Company Div Defense), 4730PL1015491 (Jednolity Indeks Materialowy - Uniform Material Index) and 9 more.

What NSN replaces 4730-00-277-9387?

There are 3 known substitutes for 4730-00-277-9387: 4730-00-278-9104, 4730-00-278-9109, 4730-00-555-1352. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1924-66?

Key specifications for NAS1924-66: Inside Diameter: 1.625 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN; Overall Width: 0.562 INCHES NOMINAL IN; Fastening Device Type: THUMB HEAD SCREW; Material: STEEL CORROSION RESISTING BAND. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-277-9387 still in active supply?

NSN 4730-00-277-9387 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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