The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-928-6818, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-928-6818 |
| Primary Part Number | MIL-C-21049 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Features Provided | SAFETY LOCKING FEATURE |
| Quick Disconnect Method | TWIST-LOCK ALL ENDS |
| Connection Type | INTERNAL QUICK DISCONNECT ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES |
| Leg Length | 1.256 INCHES NOMINAL IN |
| Thread Series Designator | UNF ALL ENDS |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Style Designator | MALE COUPLING HALF |
| Connection Style | FLARED ALL ENDS |
| Thread Class | 3A ALL ENDS A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-C-21049 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MS22068-5 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4730-00-928-6818 is a Coupling Half,quick Disconnect, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-928-6818 has 2 cross-referenced part numbers: MIL-C-21049 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS22068-5 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 8 known substitutes for 4730-00-928-6818: 4730-00-010-5297, 4730-00-630-0310, 4730-00-755-7237 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-C-21049: Features Provided: SAFETY LOCKING FEATURE; Quick Disconnect Method: TWIST-LOCK ALL ENDS; Overall Length: 2.136 INCHES NOMINAL IN; Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS. 13 total characteristics are documented in the Federal Logistics Information System.