The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-588-6427, 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 Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-588-6427 |
| Primary Part Number | S77N4-4M |
| Item Name | Coupling Assembly,quick Disconne |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division |
| Status | ACTIVE |
| Operating Pressure | 36000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Surface Treatment | NICKEL OVERALL |
| Media for Which Designed | HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE |
| Material | STEEL AND STEEL STAINLESS - USE STB000 OVERALL |
| 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 |
|---|---|
| S77N4-4M PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA) |
| Reference | Meaning |
|---|---|
| S77N4-4M | 5/9 Secondary reference Aah Acquisition, Llc Dba Snap-Tite Hose |
NSN 4730-01-588-6427 is a Coupling Assembly,quick Disconne, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-588-6427 has 1 manufacturer part number on file: S77N4-4M (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division).
Key specifications for S77N4-4M: Operating Pressure: 36000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Surface Treatment: NICKEL OVERALL; Media for Which Designed: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE; Part Name Assigned by Controlling Agency: 77 SERIES QUICK DISCONNECT SET. 4 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.