PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1924-56/66Clamp,hose

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 4730-00-203-3131 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-203-3131 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-203-3131. Primary manufacturer part number: NAS1924-56/66.
Features
  • Clamp,hose — FSC 4730
  • Surface Treatment: CADMIUM THUMBSCREW
  • Material: STEEL CORROSION RESISTING BAND
  • Style Designator: BAND
  • Material: STEEL THUMBSCREW
  • Surface Treatment: PASSIVATE BAND
  • Fastening Device Type: THUMB HEAD SCREW
  • Surface Treatment Document and Classification: QQ-P-416,CL 1,TY 2 FED SPEC SINGLE TREATMENT RESPONSE THUMBSCREW
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 4730-00-203-3131, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-203-3131
Primary Part NumberNAS1924-56/66
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
Surface TreatmentCADMIUM THUMBSCREW
MaterialSTEEL CORROSION RESISTING BAND
Style DesignatorBAND
MaterialSTEEL THUMBSCREW
Surface TreatmentPASSIVATE BAND
Fastening Device TypeTHUMB HEAD SCREW
Surface Treatment Document and ClassificationQQ-P-416,CL 1,TY 2 FED SPEC SINGLE TREATMENT RESPONSE THUMBSCREW
Inside Diameter1.328 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5342-00-136-53082813697 INTERCHANGEABLE
Bracket,sight
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-00-203-3129AN737TW44-48 INTERCHANGEABLE
Clamp,hose
Norma Pennsylvania Inc. Div Breeze Industrial Products
4730-00-203-3132NAS1924-98/114 INTERCHANGEABLE
Clamp,hose
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4730-00-278-0422 INTERCHANGEABLE
Clamp,hose
4730-00-278-0427 INTERCHANGEABLE
Clamp,hose
4730-00-278-9095NAS1924-24 INTERCHANGEABLE
Clamp,hose
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4730-00-278-9109 INTERCHANGEABLE
Clamp,hose
4730-00-278-9197NAS1924-24H INTERCHANGEABLE
Clamp,hose
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4730-00-278-9200NAS1924-22 INTERCHANGEABLE
Clamp,hose
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4730-00-278-9202NAS1924-48/58 INTERCHANGEABLE
Clamp,hose
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
AN73TW56-66 Aeronautical Standards Group Dept of Navy and Air Force (USA)
HK9C24-56/66 Ho-Ho-Kus, Inc (USA)
AN737TW-56/66 Applegate Ralph a (USA)
NAS1924-56 Suits Clamps Inc (USA)
NAS1925 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
2813697 Embraer Empresa Brasileira De Aeronautica Sa (BRA)
AN737TW56-66 Aeronautical Standards Group Dept of Navy and Air Force (USA)
NAS1924-56 Insitu Pacific Pty Ltd (AUS)
NAS1924-56/66 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
4730PL1955608 Jednolity Indeks Materialowy - Uniform Material Index (POL)
AN737W56 Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group
AN737TW56 Aeronautical Standards Group Dept of Navy and Air Force (USA)
NAS1924-56 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS1924-56 Leonardo Spa Aeronautics Division - Pomigliano D'arco Site (ITA)
78868 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
NAS1924 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
WWD56-66 Wittek Companies Intl Inc (USA)
AN748-56 Aeronautical Standards Group Dept of Navy and Air Force (USA)
AN737TW56-66 Breeze-Eastern Llc (USA)
2813697 Embraer S.a. (BRA)
Related Parts
5342-00-136-5308INTERCHANGEABLE
BRACKET,SIGHT
2813697
4730-00-203-3129INTERCHANGEABLE
CLAMP,HOSE
AN737TW44-48
4730-00-203-3132INTERCHANGEABLE
CLAMP,HOSE
NAS1924-98/114
4730-00-278-0422INTERCHANGEABLE
CLAMP,HOSE
4730-00-278-0427INTERCHANGEABLE
CLAMP,HOSE
4730-00-278-9095INTERCHANGEABLE
CLAMP,HOSE
NAS1924-24
4730-00-278-9109INTERCHANGEABLE
CLAMP,HOSE
4730-00-278-9197INTERCHANGEABLE
CLAMP,HOSE
NAS1924-24H
4730-00-278-9200INTERCHANGEABLE
CLAMP,HOSE
NAS1924-22
4730-00-278-9202INTERCHANGEABLE
CLAMP,HOSE
NAS1924-48/58
4730-00-279-0071INTERCHANGEABLE
CLAMP,HOSE
NAS1924-114
4730-00-541-7747INTERCHANGEABLE
CLAMP,HOSE
AN737TW74-91

Frequently Asked Questions

What is NSN 4730-00-203-3131?

NSN 4730-00-203-3131 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 4730-00-203-3131?

NSN 4730-00-203-3131 has 21 cross-referenced part numbers: AN73TW56-66 (Aeronautical Standards Group Dept of Navy and Air Force), HK9C24-56/66 (Ho-Ho-Kus, Inc), AN737TW-56/66 (Applegate Ralph a), NAS1924-56 (Suits Clamps Inc), NAS1925 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 16 more.

What NSN replaces 4730-00-203-3131?

There are 12 known substitutes for 4730-00-203-3131: 5342-00-136-5308, 4730-00-203-3129, 4730-00-203-3132 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1924-56/66?

Key specifications for NAS1924-56/66: Surface Treatment: CADMIUM THUMBSCREW; Material: STEEL CORROSION RESISTING BAND; Style Designator: BAND; Material: STEEL THUMBSCREW. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-203-3131 still in active supply?

NSN 4730-00-203-3131 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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