The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-720-1868, 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 Tuthill Corp Hansen Coupling Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-720-1868 |
| Primary Part Number | 53 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Tuthill Corp Hansen Coupling Div |
| Status | CANCELLED |
| Quick Disconnect Nominal Size | 0.562 INCHES ALL ENDS IN |
| Connection Type | THREADED INTERNAL PIPE FIRST FLUID END CONNECTION |
| Thread Series Designator | NPT ALL ENDS |
| Specification/standard Data | 58536-A-A59439 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Connection Type | EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END |
| Connection Style | PLAIN ALL ENDS |
| Style Designator | MALE COUPLING HALF |
| Leg Length | 0.484 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN |
| Material | STEEL BODY |
| Quick Disconnect Method | SPRING PUSH-LOCK ALL ENDS |
| Surface Treatment | CADMIUM BODY |
| Features Provided | SAFETY LOCKING FEATURE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 53 | Tuthill Corp Hansen Coupling Div (USA) |
| AA59439-14-12-00-C | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| 4730PL1525781 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| A-A-59439 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| 53-5 | Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co (USA) |
| 4219 | Tuthill Corp Hansen Coupling Div (USA) |
| MIL-C-4109 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AA59439-014-12-00-C | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
NSN 4730-00-720-1868 is a Coupling Half,quick Disconnect, manufactured by Tuthill Corp Hansen Coupling Div, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-720-1868 has 8 cross-referenced part numbers: 53 (Tuthill Corp Hansen Coupling Div), AA59439-14-12-00-C (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 4730PL1525781 (Jednolity Indeks Materialowy - Uniform Material Index), A-A-59439 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 53-5 (Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co) and 3 more.
There are 8 known substitutes for 4730-00-720-1868: 1220-00-275-8975, 2990-00-309-9574, 2805-00-358-2939 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 53: Quick Disconnect Nominal Size: 0.562 INCHES ALL ENDS IN; Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION; Thread Series Designator: NPT ALL ENDS; Specification/standard Data: 58536-A-A59439 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-720-1868 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.