The Block,drive, cataloged under National Stock Number 1680-01-172-3547, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Meggitt Aerospace Limited. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1680-01-172-3547 |
| Primary Part Number | AH087951 |
| Item Name | Block,drive |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Meggitt Aerospace Limited |
| Status | ACTIVE |
| General Characteristics Item Description | TITANIUM; 1.821 IN. LG; 1.620 IN.W; 0.371 IN. H 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 |
|---|---|
| AH087951 | Meggitt Aerospace Limited (GBR) |
| Reference | Meaning |
|---|---|
| 17C1302 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-01-172-3547 is a Block,drive, manufactured by Meggitt Aerospace Limited, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-172-3547 has 1 manufacturer part number on file: AH087951 (Meggitt Aerospace Limited).
Key specifications for AH087951: General Characteristics Item Description: TITANIUM; 1.821 IN. LG; 1.620 IN.W; 0.371 IN. H IN; End Item Identification: ACFT MODEL AV-8. 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 1680-01-172-3547 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.