The Coupling Half,self-Sealing, cataloged under National Stock Number 4730-00-856-0309, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-856-0309 |
| Primary Part Number | 2061-72 |
| Item Name | Coupling Half,self-Sealing |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division |
| Status | ACTIVE |
| Connection Style | PLAIN ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Operating Pressure | 10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Features Provided | SELF-SEALING |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Maximum Operating Temp | 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Surface Treatment | ZINC BODY |
| Material | STEEL BODY |
| Thread Series Designator | NPTF ALL ENDS |
| 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 |
|---|---|
| 2061-72 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA) |
| Reference | Meaning |
|---|---|
| 3050-3 | 5/9 Secondary reference U.S. Government activity |
| 2510CA43 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-856-0309 is a Coupling Half,self-Sealing, 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 4730-00-856-0309 has 1 manufacturer part number on file: 2061-72 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division).
4 possible matches (shared part number, not a government interchangeability claim): 5331-01-136-8561, 5996-01-278-2457, 3230-01-283-8782. Verify interchangeability with system specifications before substitution.
Key specifications for 2061-72: Connection Style: PLAIN ALL ENDS; Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF; Overall Length: 2.812 INCHES MINIMUM AND 2.880 INCHES MAXIMUM IN. 10 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.