The Torque Arm Assembly, cataloged under National Stock Number 4920-01-144-1345, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4920-01-144-1345 |
| Primary Part Number | D841100 |
| Item Name | Torque Arm Assembly |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Avitest Llc |
| Status | ACTIVE |
| General Characteristics Item Description | AMPHENOL,ALUMINUM SHEET,AND ALUMINUM ALLOY 4140 ASTM A-331; FINISH BLACK OXIDE; C/O WELDED TORQUE ARM ASSY COMPRISED OF ARM AND PLATE; TOP AND BOTTOM ENCLOSURES,GAGE,TERMINAL STRIP,AND ELECTRICAL CONNECTOR; 7.656 IN. LG,1ST END 3.000 IN. LG,2.000 IN. W,2D END 1.000 IN. 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 |
|---|---|
| D841100 PRIMARY | Avitest Llc (USA) |
| Reference | Meaning |
|---|---|
| D841100 | 3/9 Design control — primary reference Aviation Technology, Inc. |
NSN 4920-01-144-1345 is a Torque Arm Assembly, manufactured by Avitest Llc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-144-1345 has 1 manufacturer part number on file: D841100 (Avitest Llc).
Key specifications for D841100: General Characteristics Item Description: AMPHENOL,ALUMINUM SHEET,AND ALUMINUM ALLOY 4140 ASTM A-331; FINISH BLACK OXIDE; C/O WELDED TORQUE ARM ASSY COMPRISED OF ARM AND PLATE; TOP AND BOTTOM ENCLOSURES,GAGE,TERMINAL STRIP,AND ELECTRICAL CONNECTOR; 7.656 IN. LG,1ST END 3.000 IN. LG,2.000 IN. W,2D END 1.000 IN. 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.