The Ring Assembly,tank, cataloged under National Stock Number 1560-01-266-2807, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Dudlik Industries Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1560-01-266-2807 |
| Primary Part Number | 345-68515-1 |
| Item Name | Ring Assembly,tank |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Dudlik Industries Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM,PER QQ-A-250/4,ALLOY 2024-0; 5.560 IN. OD,4.310 IN. 1D IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 345-68515-1 | Dudlik Industries Inc. (USA) |
| Reference | Meaning |
|---|---|
| 345-68515-1 | 5/9 Secondary reference Dudlik Industries Inc Military Div |
| 345-68515-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 1560-01-266-2807 is a Ring Assembly,tank, manufactured by Dudlik Industries Inc., classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-266-2807 has 1 manufacturer part number on file: 345-68515-1 (Dudlik Industries Inc.).
Key specifications for 345-68515-1: General Characteristics Item Description: ALUMINUM,PER QQ-A-250/4,ALLOY 2024-0; 5.560 IN. OD,4.310 IN. 1D IN; End Item Identification: HELICOPTER MODEL H-1. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1560-01-266-2807 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.