The Contactor,vacuum Sy, cataloged under National Stock Number 6110-01-416-2157, is classified within Federal Supply Class 6110 (Electrical Control Equipment) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Air Techniques, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6110-01-416-2157 |
| Primary Part Number | 55857 |
| Item Name | Contactor,vacuum Sy |
| FSC / FSG | 6110 / 61 — Electrical Control Equipment |
| Manufacturer | Air Techniques, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | NO TECH REVIEW OR CHARACTERISTICS DATA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 55857 PRIMARY | Air Techniques, Inc. (USA) |
| Reference | Meaning |
|---|---|
| LLH375618 | 5/1 Secondary reference Naval Medical Material Support Command Detachment |
| NAVY 1993 0750 | 5/1 Secondary reference U.S. Government activity |
NSN 6110-01-416-2157 is a Contactor,vacuum Sy, manufactured by Air Techniques, Inc., classified under FSC 6110, Electrical Control Equipment. Status: active.
NSN 6110-01-416-2157 has 1 manufacturer part number on file: 55857 (Air Techniques, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 7045-01-424-5567, 4710-01-563-2683. Verify interchangeability with system specifications before substitution.
Key specifications for 55857: General Characteristics Item Description: NO TECH REVIEW OR CHARACTERISTICS DATA. 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.
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.