The Tester,starter Torque, cataloged under National Stock Number 4920-00-739-4584, 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 Hydraulics International, Inc. Dba Hydraulics International 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4920-00-739-4584 |
| Primary Part Number | RT320-200 |
| Item Name | Tester,starter Torque |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 0/A DIM. NOT TO EXCEED 25 IN. W,25 IN. H,30 IN. LG,WEIGHT NOT TO EXCEED 250 LB,CONSIST OF ONE ADJUSTABLE FRICTION DEVICE,ONE TORQUE INDICATOR,ONE TACHOMETER INDICATOR AND A DEVICE TO PROVIDE FOR STARTER MOUNTING AND REMOVAL WITHOUT THE USE OF TOOLS LBS |
| 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 |
|---|---|
| RT320-200 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| Reference | Meaning |
|---|---|
| RT320-200 | 5/9 Secondary reference Parker-Hannifin Corporation Div Hydraulic Accumulator Division |
| MIL-T-6448 | 4/1 Identification reference U.S. Government activity |
NSN 4920-00-739-4584 is a Tester,starter Torque, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-739-4584 has 1 manufacturer part number on file: RT320-200 (Hydraulics International, Inc. Dba Hydraulics International Inc).
1 possible match (shared part number, not a government interchangeability claim): 4920-00-933-7346. Verify interchangeability with system specifications before substitution.
Key specifications for RT320-200: General Characteristics Item Description: 0/A DIM. NOT TO EXCEED 25 IN. W,25 IN. H,30 IN. LG,WEIGHT NOT TO EXCEED 250 LB,CONSIST OF ONE ADJUSTABLE FRICTION DEVICE,ONE TORQUE INDICATOR,ONE TACHOMETER INDICATOR AND A DEVICE TO PROVIDE FOR STARTER MOUNTING AND REMOVAL WITHOUT THE USE OF TOOLS LBS. 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.