The Sleeve,mounting, cataloged under National Stock Number 1680-01-166-3386, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-166-3386 |
| Primary Part Number | 52055-1 |
| Item Name | Sleeve,mounting |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | HOUSING MATL ALUMINUM ALLOY PER QQ-A-200/9; BRACKET CRES PER MIL-S-5059; 2.460 IN. O/A LG; 0.748 IN. O/A W; 0.748 IN. O/A H; TWO MTG HOLES 1.058 IN. C TO C ACROSS W IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 52055-1 PRIMARY | Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc (USA) |
NSN 1680-01-166-3386 is a Sleeve,mounting, manufactured by Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-166-3386 has 1 manufacturer part number on file: 52055-1 (Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc).
1 possible match (shared part number, not a government interchangeability claim): 6750-01-427-4952. Verify interchangeability with system specifications before substitution.
Key specifications for 52055-1: General Characteristics Item Description: HOUSING MATL ALUMINUM ALLOY PER QQ-A-200/9; BRACKET CRES PER MIL-S-5059; 2.460 IN. O/A LG; 0.748 IN. O/A W; 0.748 IN. O/A H; TWO MTG HOLES 1.058 IN. C TO C ACROSS W IN; End Item Identification: ACFT MODEL F-18. 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 1680-01-166-3386 has DEMIL Code B. 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.