The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-564-4788, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-564-4788 |
| Primary Part Number | 5316K41 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.500 INCHES FIRST FLUID END CONNECTION IN |
| Connection Style | PLAIN FIRST FLUID END CONNECTION |
| Connection Style | PUSH (EXTERNAL) FIRST QUICK DISCONNECT END |
| Nominal Length | 0.720 INCHES IN |
| Mating End Identification | 5316K23 |
| Connection Type | THREADED INTERNAL PIPE FIRST FLUID END CONNECTION |
| Connection Type | EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END |
| Style Designator | MALE COUPLING HALF |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Quick Disconnect Nominal Size | 0.500 INCHES FIRST QUICK DISCONNECT END IN |
| Nominal Thread Size | 0.500 INCHES FIRST FLUID END CONNECTION IN |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | COPPER ALLOY OVERALL |
| Quick Disconnect Method | PUSH-PULL FIRST QUICK DISCONNECT END |
| Thread Series Designator | NPT FIRST FLUID END CONNECTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5316K41 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 5316K23 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
| 531-7487232 ITEM NO 20-2 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-564-4788 is a Coupling Half,quick Disconnect, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-564-4788 has 1 manufacturer part number on file: 5316K41 (Mcmaster-Carr Supply Co).
Key specifications for 5316K41: Nominal Pipe Size Accommodated: 0.500 INCHES FIRST FLUID END CONNECTION IN; Connection Style: PLAIN FIRST FLUID END CONNECTION; Connection Style: PUSH (EXTERNAL) FIRST QUICK DISCONNECT END; Nominal Length: 0.720 INCHES IN. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.