The Shaft Assembly, cataloged under National Stock Number 1730-01-157-8634, 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 Seyer Industries, Inc. Dba Seyer Industries Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1730-01-157-8634 |
| Primary Part Number | 74D291014-1003 |
| Item Name | Shaft Assembly |
| FSC / FSG | 1730 / 17 — Aircraft Ground Servicing Equipment |
| Manufacturer | Seyer Industries, Inc. Dba Seyer Industries Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 1.250 IN. O/A DIA; 26.680 IN. O/A LG IN |
| 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 |
|---|---|
| 74D291014-1003 | Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing (USA) |
| 74D291014-1003 | The Boeing Company (USA) |
| 74D291014-1003 PRIMARY | Seyer Industries, Inc. Dba Seyer Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 74D291014-1003 | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 1730-01-157-8634 is a Shaft Assembly, manufactured by Seyer Industries, Inc. Dba Seyer Industries Inc, classified under FSC 1730, Aircraft Ground Servicing Equipment. Status: active.
NSN 1730-01-157-8634 has 3 manufacturer part numbers on file: 74D291014-1003 (Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing), 74D291014-1003 (The Boeing Company), 74D291014-1003 (Seyer Industries, Inc. Dba Seyer Industries Inc).
Key specifications for 74D291014-1003: General Characteristics Item Description: 1.250 IN. O/A DIA; 26.680 IN. O/A LG IN; End Item Identification: GROUND SUPPORT EQUIPMENT,F-18 AIRCRAFT. 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 1730-01-157-8634 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.