The Gear Cluster,worm-Helical, cataloged under National Stock Number 3020-00-393-6945, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-393-6945 |
| Primary Part Number | 26-617 |
| Item Name | Gear Cluster,worm-Helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Dresser Industries Inc Leroi Div |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; HELICAL GEAR 4.470 IN. OD,39 TEETH,9 DIAMETRAL PITCH,4.3333 IN. PITCH DIA,23.0 DEG HELIX ANGLE,0.900 IN. W GEAR FACE; WORM GEAR 3.500 IN. OD,QUADRUPLE THD,LH,16 DIAMETRAL PITCH,14.5 DEG PRESSURE ANGLE,0.540 IN. W GEAR FACE; 1.800 IN. DIA HUB; STRAIGHT BORE W/KEYWAY,1.065 IN. BORE DIA,1.475 IN. BORE LG IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-393-6945 is a Gear Cluster,worm-Helical, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-393-6945 has 4 cross-referenced part numbers: 26-617 (Dresser, Llc), 810447 (Dresser, Llc), 26-617 (Dresser Industries Inc Leroi Div), 8333225 (U S Army Tank Automotive Command Amsta-Im-Mm).
There are 4 known substitutes for 3020-00-393-6945: 5305-00-207-1406, 5310-01-018-3853, 5315-01-312-0601 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 26-617: General Characteristics Item Description: STEEL; HELICAL GEAR 4.470 IN. OD,39 TEETH,9 DIAMETRAL PITCH,4.3333 IN. PITCH DIA,23.0 DEG HELIX ANGLE,0.900 IN. W GEAR FACE; WORM GEAR 3.500 IN. OD,QUADRUPLE THD,LH,16 DIAMETRAL PITCH,14.5 DEG PRESSURE ANGLE,0.540 IN. W GEAR FACE; 1.800 IN. DIA HUB; STRAIGHT BORE W/KEYWAY,1.065 IN. BORE DIA,1.475 IN. BORE LG IN. 1 total characteristics are documented in the Federal Logistics Information System.