PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS4841Nut,tube Coupling

Society of Automotive Engineers Inc · NSN 4730-00-287-0292 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-287-0292 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-287-0292. Primary manufacturer part number: AS4841.
Features
  • Nut,tube Coupling — FSC 4730
  • Width Across Flats: 0.621 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN
  • Thread Series: UNF
  • Thread Class: 3B
  • Nut Height: 0.672 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 20
  • Nominal Tube Outside Diameter: 0.312 INCHES IN
  • Length to Shoulder: 0.579 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Fluid conveyance
  • Hydraulic system plumbing
General Description

The Nut,tube Coupling, cataloged under National Stock Number 4730-00-287-0292, 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 Society of Automotive Engineers Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-287-0292
Primary Part NumberAS4841
Item NameNut,tube Coupling
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusCANCELLED
Width Across Flats0.621 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN
Thread SeriesUNF
Thread Class3B
Nut Height0.672 INCHES NOMINAL IN
Thread Quantity Per Inch20
Nominal Tube Outside Diameter0.312 INCHES IN
Length to Shoulder0.579 INCHES NOMINAL IN
Surface TreatmentANODIZE OVERALL
Thread DirectionRIGHT-HAND
Nominal Thread Size0.500 INCHES IN
Nut StyleTUBE COUPLING
Smallest Inside Diameter0.374 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
MaterialALUMINUM ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4730-00-050-4208SAE-AS15003-1P INTERCHANGEABLE
Fitting,lubrication
Sae International Dba Sae International
5306-00-276-8166 INTERCHANGEABLE
Bolt,machine
4810-01-170-144241005860 INTERCHANGEABLE
Valve,sol,pilot Agt
Woodward Hrt Inc
3110-01-244-2095 INTERCHANGEABLE
Cone and Rollers,tapered Roller
4730-01-336-51881-03089D05 INTERCHANGEABLE
Nut,tube Coupling
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5945-01-562-721650419 INTERCHANGEABLE
Relay,electromagnetic
Crispaire Corp Dba Marvair Co
Cross-Reference Index
Part NumberManufacturer
AS4841 Society of Automotive Engineers Inc (USA)
AN818-5D Hydrasearch Company, Llc (USA)
290-5D Satair A/s (DNK)
290-5D Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
50419 Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA)
8168179 Us Army Aviation and Missile Command (USA)
1158-5D Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
AN818-5D Aeronautical Standards Group Dept of Navy and Air Force (USA)
4730PL0553915 Jednolity Indeks Materialowy - Uniform Material Index (POL)
SAE-AS4841 Sae International Dba Sae International (USA)
AN818-5D Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA)
AS4841 Sae International Dba Sae International (USA)
941-1830-312 Simmonds Precision Products Inc (USA)
019-1018-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
731857-105 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
720335-5 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
946.29.95.204 Pilatus Aircraft Ltd (CHE)
AN818-5D Tech Aero Inc (USA)
Related Parts
4730-00-050-4208INTERCHANGEABLE
FITTING,LUBRICATION
SAE-AS15003-1P
5306-00-276-8166INTERCHANGEABLE
BOLT,MACHINE
4810-01-170-1442INTERCHANGEABLE
VALVE,SOL,PILOT AGT
41005860
3110-01-244-2095INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
4730-01-336-5188INTERCHANGEABLE
NUT,TUBE COUPLING
1-03089D05
5945-01-562-7216INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
50419

Frequently Asked Questions

What is NSN 4730-00-287-0292?

NSN 4730-00-287-0292 is a Nut,tube Coupling, manufactured by Society of Automotive Engineers Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-287-0292?

NSN 4730-00-287-0292 has 18 cross-referenced part numbers: AS4841 (Society of Automotive Engineers Inc), AN818-5D (Hydrasearch Company, Llc), 290-5D (Satair A/s), 290-5D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 50419 (Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St)) and 13 more.

What NSN replaces 4730-00-287-0292?

There are 6 known substitutes for 4730-00-287-0292: 4730-00-050-4208, 5306-00-276-8166, 4810-01-170-1442 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS4841?

Key specifications for AS4841: Width Across Flats: 0.621 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN; Thread Series: UNF; Thread Class: 3B; Nut Height: 0.672 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-287-0292 still in active supply?

NSN 4730-00-287-0292 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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