The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-254-6548, 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 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-254-6548 |
| Primary Part Number | BLH2S6 |
| 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 |
| Criticality Code Justification | FEAT |
| Connection Type | INTERNAL QUICK DISCONNECT ALL ENDS |
| Connection Type | THREADED INTERNAL TUBE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Quick Disconnect Nominal Size | 0.250 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| BLH2S6 PRIMARY | Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co (USA) |
| 2-H-6-SL PRIMARY | Tuthill Corp Hansen Coupling Div (USA) |
| 12357232-5 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| H2-62SL-T6 | 5/9 Secondary reference U.S. Government activity |
| H2-62-T6SL | 5/9 Secondary reference U.S. Government activity |
| 12357232 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| H2-62-T6SL | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division |
NSN 4730-01-254-6548 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 4730-01-254-6548 has 3 manufacturer part numbers on file: BLH2S6 (Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co), 2-H-6-SL (Tuthill Corp Hansen Coupling Div), 12357232-5 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for BLH2S6: Criticality Code Justification: FEAT; Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS; Connection Type: THREADED INTERNAL TUBE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF. 5 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.