The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-245-7605, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-245-7605 |
| Primary Part Number | 12357237-5 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Connection Style | BOSS GASKET SEAL ALL ENDS |
| Criticality Code Justification | FEAT |
| Connection Type | THREADED INTERNAL BOSS FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Quick Disconnect Nominal Size | 0.250 INCHES ALL ENDS IN |
| Leg Length | 1.540 INCHES NOMINAL IN |
| Nominal Thread Size | 0.563 INCHES ALL ENDS IN |
| Thread Class | 2B ALL ENDS |
| Material | STEEL BODY |
| Quick Disconnect Method | PUSH-LOCK SECOND QUICK DISCONNECT END |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| 12357237-5 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| K2S6 PRIMARY | Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| H2-63-T6 | 5/9 Secondary reference U.S. Government activity |
| 12357237 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
| H2-63-T6 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division |
| 2-K-6 | 5/9 Secondary reference Tuthill Corp Hansen Coupling Div |
NSN 4730-01-245-7605 is a Coupling Half,quick Disconnect, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-245-7605 has 2 manufacturer part numbers on file: 12357237-5 (U S Army Tank Automotive Command Amsta-Im-Mm), K2S6 (Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co).
Key specifications for 12357237-5: Connection Style: BOSS GASKET SEAL ALL ENDS; Criticality Code Justification: FEAT; Connection Type: THREADED INTERNAL BOSS FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF. 11 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.