The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-494-3272, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-494-3272 |
| Primary Part Number | 3700 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Tuthill Corp Hansen Coupling Div |
| Status | ACTIVE |
| Quick Disconnect Nominal Size | 0.453 INCHES ALL ENDS IN |
| Connection Style | BARBED OR SERRATED END ALL ENDS |
| Specification/standard Data | 58536-A-A-59439 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Style Designator | MALE COUPLING HALF |
| Nondefinitive Spec/std Data | A CLASS AND 3 STYLE AND 1 TYPE |
| Quick Disconnect Method | SPRING PUSH-PULL ALL ENDS |
| Material | COPPER ALLOY BODY |
| Features Provided | SELF-SEALING |
| Leg Length | 1.000 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Connection Type | UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION |
| Nominal Inside Diameter Hose Accommodated | 0.3905 INCHES ALL ENDS IN |
| Connection Type | INTERNAL QUICK DISCONNECT ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3700 | Tuthill Corp Hansen Coupling Div (USA) |
| B30-5B | Parker-Hannifin Corporation Div Quick Coupling Division (USA) |
| 3703G | Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co (USA) |
| 3700SERIES3000 | Tuthill Corp Hansen Coupling Div (USA) |
| H52S3Q | Hofmann Engineering Co Inc (USA) |
| MILC4109 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AA59439-03-12-00-B | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| AA59439-003-12-00-B | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| M4109-03-12-00-B | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| A-A-59439 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
NSN 4730-00-494-3272 is a Coupling Half,quick Disconnect, manufactured by Tuthill Corp Hansen Coupling Div, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-494-3272 has 10 cross-referenced part numbers: 3700 (Tuthill Corp Hansen Coupling Div), B30-5B (Parker-Hannifin Corporation Div Quick Coupling Division), 3703G (Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co), 3700SERIES3000 (Tuthill Corp Hansen Coupling Div), H52S3Q (Hofmann Engineering Co Inc) and 5 more.
There is 1 known substitute for 4730-00-494-3272: 4820-00-287-3097. Verify interchangeability with system specifications before substitution.
Key specifications for 3700: Quick Disconnect Nominal Size: 0.453 INCHES ALL ENDS IN; Connection Style: BARBED OR SERRATED END ALL ENDS; Specification/standard Data: 58536-A-A-59439 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION; End Item Identification: 43N AIRCRAFT, HORNET F/A-18. 14 total characteristics are documented in the Federal Logistics Information System.