The Plate,seal, cataloged under National Stock Number 1680-01-172-3440, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Bae Systems (operations) 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-172-3440 |
| Primary Part Number | C326122 |
| Item Name | Plate,seal |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Bae Systems (operations) Limited |
| Status | ACTIVE |
| General Characteristics Item Description | 5.770 IN. O/A LG; 2.600 IN. O/A W; SIXTEEN 0.144 IN. DIA,TWO 0.195 IN. DIA CLEARANCE HOLES 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 | F |
| Part Number | Manufacturer |
|---|---|
| C326122 | Bae Systems (operations) Limited (GBR) |
| Reference | Meaning |
|---|---|
| C326122 | 3/9 Design control — primary reference British Aerospace (military Aircraft & Aerostructures) |
| C326122 | C/1 Advisory reference — outside the item-of-supply concept Bae Systems Plc |
NSN 1680-01-172-3440 is a Plate,seal, manufactured by Bae Systems (operations) Limited, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-172-3440 has 1 manufacturer part number on file: C326122 (Bae Systems (operations) Limited).
Key specifications for C326122: General Characteristics Item Description: 5.770 IN. O/A LG; 2.600 IN. O/A W; SIXTEEN 0.144 IN. DIA,TWO 0.195 IN. DIA CLEARANCE HOLES 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 1680-01-172-3440 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.