PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SAE J512 8 010111BNut,tube Coupling

Sae International Dba Sae International · NSN 4730-00-921-3243 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-921-3243 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-921-3243. Primary manufacturer part number: SAE J512 8 010111B.
Features
  • Nut,tube Coupling — FSC 4730
  • Thread Class: 2B
  • Nominal Thread Size: 0.750 INCHES IN
  • Width Across Flats: 0.875 INCHES NOMINAL IN
  • Smallest Inside Diameter: 0.505 INCHES NOMINAL IN
  • Thread Series: UNF
  • Thread Quantity Per Inch: 16
  • Nominal Tube Outside Diameter: 0.500 INCHES 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 4730-00-921-3243, 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 Sae International Dba Sae International. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 24 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
NSN4730-00-921-3243
Primary Part NumberSAE J512 8 010111B
Item NameNut,tube Coupling
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Thread Class2B
Nominal Thread Size0.750 INCHES IN
Width Across Flats0.875 INCHES NOMINAL IN
Smallest Inside Diameter0.505 INCHES NOMINAL IN
Thread SeriesUNF
Thread Quantity Per Inch16
Nominal Tube Outside Diameter0.500 INCHES IN
MaterialCOPPER ALLOY OVERALL
Seat Angle45.00 DEGREES NOMINAL
Nut Height1.625 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Nut StyleTUBE COUPLING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5340-00-085-3161 INTERCHANGEABLE
Button,plug
6145-00-409-5966 INTERCHANGEABLE
Cable,special Purpose,electrical
4820-00-469-8449 INTERCHANGEABLE
Disk,valve
3120-00-474-3504 INTERCHANGEABLE
Bushing,sleeve
5910-00-519-8886196P68251S4 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
Sprague Electric Co World Hqs
5910-00-630-65279053002 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Us Army Aviation and Missile Command
6810-00-912-47665448 INTERCHANGEABLE
Ion Exchange Compound
Sybron Chemicals Inc.
5340-01-336-000341F INTERCHANGEABLE
Clamp,loop
Robert H Wager Co Inc
5120-01-428-4782 INTERCHANGEABLE
Socket,socket Wrench
5950-01-446-923711472160-1 INTERCHANGEABLE
Transformer,current
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
118541 General Motors Corp (USA)
2641002 Paccar Winch Inc Dba Paccar Winch Division (USA)
W41X8 Dana Corp Weatherhead Div (USA)
SAE-J512 Sae International Dba Sae International (USA)
SAE J512 8 010111B PRIMARY Sae International Dba Sae International (USA)
SAE J512 8 010111B Society of Automotive Engineers Inc (USA)
CNAX5AG U S Army Tank Automotive Command Amsta-Im-Mm (USA)
17X64 Haldex Brake Products Corporation (USA)
MS39167-7 Haldex Brake Products Corporation (USA)
MS39166-7L Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
J512 Sae International Dba Sae International (USA)
5448 Badger Fire Protection Inc (USA)
MS39166-7L Parker-Hannifin Corp Div Fluid System Connector Division (USA)
41FL-8 Parker-Hannifin Corp Div Fluid System Connector Division (USA)
J512 Society of Automotive Engineers Inc (USA)
41FX1-2 Imperial (USA)
41F Imperial (USA)
W5007 Spalla Inc (USA)
W41X8 PRIMARY Danfoss Power Solutions II, Llc (USA)
41FL8 Parker-Hannifin Corp Div Fluid System Connector Division (USA)
Related Parts
5340-00-085-3161INTERCHANGEABLE
BUTTON,PLUG
6145-00-409-5966INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
4820-00-469-8449INTERCHANGEABLE
DISK,VALVE
3120-00-474-3504INTERCHANGEABLE
BUSHING,SLEEVE
5910-00-519-8886INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
196P68251S4
5910-00-630-6527INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
9053002
6810-00-912-4766INTERCHANGEABLE
ION EXCHANGE COMPOUND
5448
5340-01-336-0003INTERCHANGEABLE
CLAMP,LOOP
41F
5120-01-428-4782INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5950-01-446-9237INTERCHANGEABLE
TRANSFORMER,CURRENT
11472160-1
5925-01-620-0940INTERCHANGEABLE
CIRCUIT BREAKER
6150-01-630-0636INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5448

Frequently Asked Questions

What is NSN 4730-00-921-3243?

NSN 4730-00-921-3243 is a Nut,tube Coupling, manufactured by Sae International Dba Sae International, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-921-3243?

NSN 4730-00-921-3243 has 24 cross-referenced part numbers: 118541 (General Motors Corp), 2641002 (Paccar Winch Inc Dba Paccar Winch Division), W41X8 (Dana Corp Weatherhead Div), SAE-J512 (Sae International Dba Sae International), SAE J512 8 010111B (Sae International Dba Sae International) and 19 more.

What NSN replaces 4730-00-921-3243?

There are 12 known substitutes for 4730-00-921-3243: 5340-00-085-3161, 6145-00-409-5966, 4820-00-469-8449 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SAE J512 8 010111B?

Key specifications for SAE J512 8 010111B: Thread Class: 2B; Nominal Thread Size: 0.750 INCHES IN; Width Across Flats: 0.875 INCHES NOMINAL IN; Smallest Inside Diameter: 0.505 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-921-3243 still in active supply?

NSN 4730-00-921-3243 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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