The Lock,main Rotor Tiedown, cataloged under National Stock Number 1730-01-102-2424, is classified within Federal Supply Class 1730 (Aircraft Ground Servicing Equipment) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The manufacturer of record is Marathonnorco Aerospace, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1730-01-102-2424 |
| Primary Part Number | IL1456-4 |
| Item Name | Lock,main Rotor Tiedown |
| FSC / FSG | 1730 / 17 — Aircraft Ground Servicing Equipment |
| Manufacturer | Marathonnorco Aerospace, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUN ALLOY AND STAINLESS STEEL; ANODIZE ALUMINUN PARTS PER MIL-A-8625 TY 1; CADMIUM PLATE STEEL PARTS PER QQ-P-416 CL 2,TY 2; 6.000 IN. APPROX HGT; 3.060 IN. W; 2.000 LB OPERATING LOAD; LOCKING HEAD TO ROTATE 360 DEG IN RECEIVER LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 70700-20327-101 | L M & E Co Inc (USA) |
| IL1456-4 PRIMARY | Marathonnorco Aerospace, Inc. (USA) |
| 70700-20327-101 | Marathonnorco Aerospace, Inc. (USA) |
| 70700-20327-101 | Gk Mechanical Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 70700-20327-101 | 7/2 Vendor item drawing reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 1730-01-102-2424 is a Lock,main Rotor Tiedown, manufactured by Marathonnorco Aerospace, Inc., classified under FSC 1730, Aircraft Ground Servicing Equipment. Status: active.
NSN 1730-01-102-2424 has 4 manufacturer part numbers on file: 70700-20327-101 (L M & E Co Inc), IL1456-4 (Marathonnorco Aerospace, Inc.), 70700-20327-101 (Marathonnorco Aerospace, Inc.), 70700-20327-101 (Gk Mechanical Systems Llc).
Key specifications for IL1456-4: General Characteristics Item Description: ALUMINUN ALLOY AND STAINLESS STEEL; ANODIZE ALUMINUN PARTS PER MIL-A-8625 TY 1; CADMIUM PLATE STEEL PARTS PER QQ-P-416 CL 2,TY 2; 6.000 IN. APPROX HGT; 3.060 IN. W; 2.000 LB OPERATING LOAD; LOCKING HEAD TO ROTATE 360 DEG IN RECEIVER LBS; End Item Identification: UH-60A HELICOPTER A. 1 specification is 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.
NSN 1730-01-102-2424 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.