PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51502Coupling Half,quick Disconnect

Bowes Mfg Inc · NSN 4730-00-289-4246 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-289-4246 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-289-4246. Primary manufacturer part number: 51502.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Quick Disconnect Method: TWIST-LOCK ALL ENDS
  • Nominal Thread Size: 0.375 INCHES ALL ENDS IN
  • Connection Style: PLAIN ALL ENDS
  • Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS
  • Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
  • Thread Series Designator: NPT ALL ENDS
  • Material: COPPER ALLOY BODY
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-289-4246, 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 Bowes Mfg Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4730-00-289-4246
Primary Part Number51502
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerBowes Mfg Inc
StatusACTIVE
Quick Disconnect MethodTWIST-LOCK ALL ENDS
Nominal Thread Size0.375 INCHES ALL ENDS IN
Connection StylePLAIN ALL ENDS
Connection TypeEXTERNAL QUICK DISCONNECT ALL ENDS
Connection TypeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
Thread Series DesignatorNPT ALL ENDS
MaterialCOPPER ALLOY BODY
Style DesignatorMALE COUPLING HALF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4140-00-053-1840 INTERCHANGEABLE
Impeller,fan,axial
5340-00-357-92771092-M1 INTERCHANGEABLE
Key Blank
Ilco Unican Corp Dba Wolf Sales
5365-00-631-424851502 INTERCHANGEABLE
Plug,machine Thread
Hydro-Aire Aerospace Corp
3120-00-788-2153BACB10G3 INTERCHANGEABLE
Bearing,plain,rod End
Rbc Transport Dynamics Corp Div Rbc Transport Dynamics
6520-00-935-7167PLG1M INTERCHANGEABLE
Plugger,amalgam,dental
Hu-Friedy Mfg. Co., Llc
3455-00-990-33421M INTERCHANGEABLE
File,rotary
Martindale Electric Company, the
4820-01-323-5973 INTERCHANGEABLE
Ball,check
5342-01-330-22051M INTERCHANGEABLE
Mount,resilient,weapon System
Sunnex, Llc
3417-01-366-20421M INTERCHANGEABLE
Engraving Machine,pantograph
Gravograph-New Hermes, Inc
6515-01-448-17911M INTERCHANGEABLE
Hoop,traction
The Jerome Group Inc Dba Jerome Medical
Cross-Reference Index
Part NumberManufacturer
51502 PRIMARY Bowes Mfg Inc (USA)
1M Bowes Mfg Inc (USA)
Related Parts
4140-00-053-1840INTERCHANGEABLE
IMPELLER,FAN,AXIAL
5340-00-357-9277INTERCHANGEABLE
KEY BLANK
1092-M1
5365-00-631-4248INTERCHANGEABLE
PLUG,MACHINE THREAD
51502
3120-00-788-2153INTERCHANGEABLE
BEARING,PLAIN,ROD END
BACB10G3
6520-00-935-7167INTERCHANGEABLE
PLUGGER,AMALGAM,DENTAL
PLG1M
3455-00-990-3342INTERCHANGEABLE
FILE,ROTARY
1M
4820-01-323-5973INTERCHANGEABLE
BALL,CHECK
5342-01-330-2205INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
1M
3417-01-366-2042INTERCHANGEABLE
ENGRAVING MACHINE,PANTOGRAPH
1M
6515-01-448-1791INTERCHANGEABLE
HOOP,TRACTION
1M
6625-01-468-7440INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
1M
5340-01-582-8573INTERCHANGEABLE
PADDLE HANDLE

Frequently Asked Questions

What is NSN 4730-00-289-4246?

NSN 4730-00-289-4246 is a Coupling Half,quick Disconnect, manufactured by Bowes Mfg Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-289-4246?

NSN 4730-00-289-4246 has 2 cross-referenced part numbers: 51502 (Bowes Mfg Inc), 1M (Bowes Mfg Inc).

What NSN replaces 4730-00-289-4246?

There are 12 known substitutes for 4730-00-289-4246: 4140-00-053-1840, 5340-00-357-9277, 5365-00-631-4248 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51502?

Key specifications for 51502: Quick Disconnect Method: TWIST-LOCK ALL ENDS; Nominal Thread Size: 0.375 INCHES ALL ENDS IN; Connection Style: PLAIN ALL ENDS; Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS. 9 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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