The Fairlead,block, cataloged under National Stock Number 5342-01-356-3491, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Harlow Aerostructures, Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-356-3491 |
| Primary Part Number | 68A690716-2001 |
| Item Name | Fairlead,block |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Harlow Aerostructures, Llc |
| Status | ACTIVE |
| Mounting Facility Quantity | 22 |
| Supported Item Quantity | 11 |
| Mounting Method | THREADED HOLE(S)THREADED HOLE(S) |
| Overall Thickness | 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/11,0 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Section Quantity | 22 |
| Features Provided | SPLIT DESIGNSPLIT DESIGN |
| Cable Diameter for Which Designed | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| 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 |
|---|---|
| 68A690716-2001 PRIMARY | Harlow Aerostructures, Llc (USA) |
| Reference | Meaning |
|---|---|
| 68A690716-2001 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5342-01-356-3491 is a Fairlead,block, manufactured by Harlow Aerostructures, Llc, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-356-3491 has 1 manufacturer part number on file: 68A690716-2001 (Harlow Aerostructures, Llc).
Key specifications for 68A690716-2001: Mounting Facility Quantity: 22; Supported Item Quantity: 11; Mounting Method: THREADED HOLE(S)THREADED HOLE(S); Overall Thickness: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN. 9 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.