The Block,radius,aircra, cataloged under National Stock Number 1680-01-561-0689, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Duplan Industries Dba Gilbert Machine & Manufacturing. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-561-0689 |
| Primary Part Number | 137700-2005 |
| Item Name | Block,radius,aircra |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Duplan Industries Dba Gilbert Machine & Manufacturing |
| Status | ACTIVE |
| 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 |
|---|---|
| 137700-2005 PRIMARY | Duplan Industries Dba Gilbert Machine & Manufacturing (USA) |
NSN 1680-01-561-0689 is a Block,radius,aircra, manufactured by Duplan Industries Dba Gilbert Machine & Manufacturing, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-561-0689 has 1 manufacturer part number on file: 137700-2005 (Duplan Industries Dba Gilbert Machine & Manufacturing).
Key specifications for 137700-2005: Part Name Assigned by Controlling Agency: (INAVY)BLOCK, RADIUS, AIRCRAFT; End Item Identification: MARINE RESERVE CONFIGURATION OF THE F/A-18A+; NAVY RESERVE CONFIGURATION OF THE F/A-18A+; F-18A AIRCRAFT MODEL CODE; F/A18B AIRCRAFT; F18C NIGHT ATTACK ESTABLISHED FOR FA18C; F/A18C AIRCRAFT; F18D NIGHT ATTACK ESTALISHED FOR FA18D; F/A18D AIRCRAFT A. 0 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.
NSN 1680-01-561-0689 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.