The Coupling,motor, cataloged under National Stock Number 4920-01-142-6570, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Avitest Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-142-6570 |
| Primary Part Number | A834-100 |
| Item Name | Coupling,motor |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Avitest Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL AISI 1018 SEAMLESS MECHANICAL TUBE 3.250 OD BY 0.625 WALL; FINISH BLACK OXIDE; 3.250 IN. OD,2.127 IN. INSIDE DIAMETER; 0.500 BY 0.250 IN. KEYWAY; 2.500 IN. H; TWO HOLES 0.312-18 THRU; FOUR HOLES 0.250-20 0.750 MIN PTT TD TYP. EVENLY SPACED ON A 2.687 CIRCLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A834-100 PRIMARY | Avitest Llc (USA) |
| Reference | Meaning |
|---|---|
| A834-100 | 3/9 Design control — primary reference Aviation Technology, Inc. |
NSN 4920-01-142-6570 is a Coupling,motor, manufactured by Avitest Llc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-142-6570 has 1 manufacturer part number on file: A834-100 (Avitest Llc).
Key specifications for A834-100: General Characteristics Item Description: STEEL AISI 1018 SEAMLESS MECHANICAL TUBE 3.250 OD BY 0.625 WALL; FINISH BLACK OXIDE; 3.250 IN. OD,2.127 IN. INSIDE DIAMETER; 0.500 BY 0.250 IN. KEYWAY; 2.500 IN. H; TWO HOLES 0.312-18 THRU; FOUR HOLES 0.250-20 0.750 MIN PTT TD TYP. EVENLY SPACED ON A 2.687 CIRCLE IN; End Item Identification: 4920010747836,TEST STAND,HYDRAULIC SYSTEM COMPONENTS. 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.