The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-491-9954, 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 Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-491-9954 |
| Primary Part Number | H6S12 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co |
| Status | ACTIVE |
| Style Designator | MALE COUPLING HALF |
| Leg Length | 0.900 INCHES NOMINAL IN |
| Features Provided | SELF-SEALING |
| 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 |
|---|---|
| H6S12 | Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| H6-62-T12 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division |
| H6-62-T12 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-01-491-9954 is a Coupling Half,quick Disconnect, manufactured by Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-491-9954 has 1 manufacturer part number on file: H6S12 (Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co).
Key specifications for H6S12: Style Designator: MALE COUPLING HALF; Overall Length: 3.560 INCHES NOMINAL IN; Leg Length: 0.900 INCHES NOMINAL IN; Features Provided: SELF-SEALING. 3 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.